Storage Space Server

If the space of the windows storage space server is full, is it possible to setup another windows storage space server and combine the new one to original storage pool?

Hi,
We cannot combine one storage space to another storage space. If one storage pool is full, we could additional storage to expand the pool.
For more detailed information, please see:
Storage Spaces: Understanding Storage Pool Expansion
http://blogs.technet.com/b/askpfeplat/archive/2013/09/25/storage-spaces-understanding-expansion.aspx
Best Regards,
Mandy
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Similar Messages

How to configure local disk on OVM Server as storage space to create VMs

Hello,
We have installed OVM Server 3.1.1 on a machine that has 250 GB of Hard disk space [Single disk].
While installing used an option - Remove all partitions and create a new default partition layout.
Around 4GB has been used and remaining 246 GB is left as free space.
From OVM Manager - the server is discovered but didn't discovered the physical disk [i.e. remaining 246 GB raw disk space].
Can someone help me to understand how to use local disk as storage space for creating and running VM's.
Thanks
Srinivas

You can? You've used every conceivable BIOS out there? You must really be full of yourself. There is absolutely no BIOS that I know of that gives this basic function. BIOSs do not "hard partition" anything. A "BIOS" is not made for such things. Do you even know what "BIOS" stands for?
I wonder why there is some many wanting to do this and are having problems.... I mean if it is such a straight forward thing to do..... It must be down right "intuitive".
You maybe speaking of a RAID "BIOS" but you obviously think you're not. Some motherboards have integrated RAID abilities. Intel RST comes to mind... BUT this isn't a feature of a MOTHERBOARD BIOS.
I've got some $50,000 servers that will not break a single hard drive up into multiple logical drives..... Now, I haven't worked on a "Stinkpad" for many years. Don't want to. However, I have never seen one that would do what you're saying you're doing.
You maybe trying to help.... but you're leading people down a wrong path.
Its just as easy to run virtual box and use the virtual box templates for Oracle VM. In fact, its more practical if you want to run Oracle VM on a laptop for testing purposes than blowing everything away and attempting to setup different LUNS on a single hard drive.
For your review...
http://www.oracle.com/technetwork/articles/servers-storage-admin/configure-vm-templates-1656261.html
Although it's more reliable to use a separate location (such as an NFS share) for a storage repository, you can use a local disk of your Oracle VM Server instead, thus taking advantage of the local storage option. Beware, though: Oracle VM Server 3.0 doesn't allow you to utilize the unused space on the physical disk it's installed on. For local storage, you'll need at least one more physical disk. In other words, you'll need a total of two disks at minimum on your Oracle VM Server host if you want to use local storage. In practice, though, local storage is not a primary use case. The major downside to this approach is that local storage, by definition, cannot be shared between different servers.
Edited by: user12273962 on Dec 10, 2012 10:40 AM

First cluster - Server 2012 r2 - storage spaces issues

Hi Everyone
   We just purchased two new servers (Lenovo RD640's) and an external SAS JBOD enclosure (the Lenovo SA120), and we would like to set up a 2012 r2 failover cluster with clustered storage spaces as the shared storage. Currently they are
on their own domain with the virtual active directory server residing locally on one of the servers.
   Preface: I've created and destroyed the cluster and storage spaces multiple times trying to solve this issue, so I don't know if I may have "leftovers" from those attempts now causing issues for me.
I can create the cluster, and it passes validation, and can create a clustered storage pool, but every time I try to create a virtual disk (either through the Failover cluster manager, the server manager, or powershell), it won't attach. If
I try to manually attach it I get the message: "Error attaching or detaching virtual disk: Failed to attach virtual disk to <node name>. Access denied"
Finally (and I don't know if this is related or not), when in storage spaces on the server manager, there is a gold banner at the top that says "Incomplete communication with cluster <cluster name>. The following cluster nodes or clustered roles
might be offline or have connectivity issues: <cluster name>"
I'm logged in with full domain administrator credentials, and have been running my head against this wall for a few days now. Any help would be appreciated!

Thanks for your responses. Here is what I have to report:
When I destroy the cluster, and create the storage spaces on just one of the two servers (with the other server powered down), I'm able to create the storage pool - using all the HDDs and SSDs - and virtual disks (both tiered and non-tiered) without issue.
As soon as I create the cluster again, the virtual disks become "detached", and I'm back to the situation described initially.
@Apamnapat, here's the output of the powershell commandlets you suggested:
PS C:\Windows\system32> get-storagepool | fl *
Usage                             : Other
OperationalStatus                 : OK
HealthStatus                      : Healthy
ProvisioningTypeDefault           : Fixed
SupportedProvisioningTypes        : {Thin, Fixed}
ReadOnlyReason                    : None
RepairPolicy                      : Parallel
RetireMissingPhysicalDisks        : Auto
WriteCacheSizeDefault             : Auto
FileSystem                        : Unknown
Version                           : Windows Server 2012 R2
ObjectId                          : {1}\\CBC116\root/Microsoft/Windows/Storage/Providers_v2\SPACES_StoragePool.ObjectId
                                    ="{1cca13ee-d45c-11e3-80b5-806e6f6e6963}:SP:{1cca13ef-d45c-11e3-80b5-806e6f6e6963}"
PassThroughClass                  :
PassThroughIds                    :
PassThroughNamespace              :
PassThroughServer                 :
UniqueId                          : {1cca13ef-d45c-11e3-80b5-806e6f6e6963}
AllocatedSize                     : 24962849046528
ClearOnDeallocate                 : False
EnclosureAwareDefault             : False
FriendlyName                      : Primordial
IsClustered                       : False
IsPowerProtected                  : False
IsPrimordial                      : True
IsReadOnly                        : False
LogicalSectorSize                 :
Name                              :
OtherOperationalStatusDescription :
OtherUsageDescription             :
PhysicalSectorSize                :
ResiliencySettingNameDefault      : Mirror
Size                              : 25264456597504
SupportsDeduplication             : False
ThinProvisioningAlertThresholds   : {70}
WriteCacheSizeMax                 : 107374182400
WriteCacheSizeMin                 : 0
PSComputerName                    :
CimClass                          : ROOT/Microsoft/Windows/Storage:MSFT_StoragePool
CimInstanceProperties             : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties               : Microsoft.Management.Infrastructure.CimSystemProperties
Usage                             : Other
OperationalStatus                 : OK
HealthStatus                      : Healthy
ProvisioningTypeDefault           : Fixed
SupportedProvisioningTypes        : Fixed
ReadOnlyReason                    : None
RepairPolicy                      : Parallel
RetireMissingPhysicalDisks        : Auto
WriteCacheSizeDefault             : Auto
FileSystem                        : Unknown
Version                           : Windows Server 2012 R2
ObjectId                          : {1}\\CBC116\root/Microsoft/Windows/Storage/Providers_v2\SPACES_StoragePool.ObjectId
                                    ="{3407c278-597d-4d38-b877-b2eff1e8a936}:SP:{05303524-5f93-4829-b84a-44955d1eb28e}"
PassThroughClass                  :
PassThroughIds                    :
PassThroughNamespace              :
PassThroughServer                 :
UniqueId                          : {05303524-5f93-4829-b84a-44955d1eb28e}
AllocatedSize                     : 24962849046528
ClearOnDeallocate                 : False
EnclosureAwareDefault             : False
FriendlyName                      : Primordial
IsClustered                       : True
IsPowerProtected                  : False
IsPrimordial                      : True
IsReadOnly                        : False
LogicalSectorSize                 :
Name                              :
OtherOperationalStatusDescription :
OtherUsageDescription             :
PhysicalSectorSize                :
ResiliencySettingNameDefault      : Mirror
Size                              : 25264456597504
SupportsDeduplication             : False
ThinProvisioningAlertThresholds   : {70}
WriteCacheSizeMax                 : 107374182400
WriteCacheSizeMin                 : 0
PSComputerName                    :
CimClass                          : ROOT/Microsoft/Windows/Storage:MSFT_StoragePool
CimInstanceProperties             : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties               : Microsoft.Management.Infrastructure.CimSystemProperties
Usage                             : Other
OperationalStatus                 : OK
HealthStatus                      : Healthy
ProvisioningTypeDefault           : Fixed
SupportedProvisioningTypes        : Fixed
ReadOnlyReason                    : None
RepairPolicy                      : Parallel
RetireMissingPhysicalDisks        : Auto
WriteCacheSizeDefault             : Auto
FileSystem                        : Unknown
Version                           : Windows Server 2012 R2
ObjectId                          : {1}\\CBC116\root/Microsoft/Windows/Storage/Providers_v2\SPACES_StoragePool.ObjectId
                                    ="{3407c278-597d-4d38-b877-b2eff1e8a936}:SP:{48e0189b-db8c-11e3-80d3-f80f41fcd134}"
PassThroughClass                  :
PassThroughIds                    :
PassThroughNamespace              :
PassThroughServer                 :
UniqueId                          : {48e0189b-db8c-11e3-80d3-f80f41fcd134}
AllocatedSize                     : 17179869184
ClearOnDeallocate                 : False
EnclosureAwareDefault             : False
FriendlyName                      : Storage Pool
IsClustered                       : True
IsPowerProtected                  : False
IsPrimordial                      : False
IsReadOnly                        : False
LogicalSectorSize                 : 512
Name                              :
OtherOperationalStatusDescription :
OtherUsageDescription             :
PhysicalSectorSize                : 4096
ResiliencySettingNameDefault      : Mirror
Size                              : 24951612506112
SupportsDeduplication             : False
ThinProvisioningAlertThresholds   : {70}
WriteCacheSizeMax                 : 107374182400
WriteCacheSizeMin                 : 0
PSComputerName                    :
CimClass                          : ROOT/Microsoft/Windows/Storage:MSFT_StoragePool
CimInstanceProperties             : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties               : Microsoft.Management.Infrastructure.CimSystemProperties
PS C:\Windows\system32> get-virtualdisk | fl *
Usage                             : Other
NameFormat                        :
OperationalStatus                 : Detached
HealthStatus                      : Unknown
ProvisioningType                  : Fixed
ParityLayout                      : Rotated Parity
Access                            : Read/Write
UniqueIdFormat                    : Vendor Specific
DetachedReason                    : By Policy
WriteCacheSize                    : 1073741824
ObjectId                          : {1}\\CBC116\root/Microsoft/Windows/Storage/Providers_v2\SPACES_VirtualDisk.ObjectId
                                    ="{3407c278-597d-4d38-b877-b2eff1e8a936}:VD:{48e0189b-db8c-11e3-80d3-f80f41fcd134}{
                                    c1894936-db95-11e3-80d5-f80f41fcd134}"
PassThroughClass                  :
PassThroughIds                    :
PassThroughNamespace              :
PassThroughServer                 :
UniqueId                          : 364989C195DBE31180D5F80F41FCD134
AllocatedSize                     : 7516192768
FootprintOnPool                   : 8589934592
FriendlyName                      : Disk Witness
Interleave                        : 262144
IsDeduplicationEnabled            : False
IsEnclosureAware                  : False
IsManualAttach                    : True
IsSnapshot                        : False
LogicalSectorSize                 : 512
Name                              :
NumberOfAvailableCopies           :
NumberOfColumns                   : 8
NumberOfDataCopies                : 1
OtherOperationalStatusDescription :
OtherUsageDescription             :
PhysicalDiskRedundancy            : 1
PhysicalSectorSize                : 4096
RequestNoSinglePointOfFailure     : False
ResiliencySettingName             : Parity
Size                              : 7516192768
UniqueIdFormatDescription         :
PSComputerName                    :
CimClass                          : ROOT/Microsoft/Windows/Storage:MSFT_VirtualDisk
CimInstanceProperties             : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties               : Microsoft.Management.Infrastructure.CimSystemProperties

Windows Server 2012 Storage Spaces Simple RAID 0 VERY SLOW reads, but fast writes with LSI 9207-8e SAS JBOD HBA Controller

Has anyone else seen Windows Server 2012 Storage Spaces with a Simple RAID 0 (also happens with Mirrored RAID 1 and Parity RAID 5) virtual disk exhibiting extremely slow read speed of 5Mb/sec, yet write performance is normal at 650Mb/sec in RAID 0?
Windows Server 2012 Standard
Intel i7 CPU and Motherboard
LSI 9207-8e 6Gb SAS JBOD Controller with latest firmware/BIOS and Windows driver.
(4) Hitachi 4TB 6Gb SATA Enterprise Hard Disk Drives HUS724040ALE640
(4) Hitachi 4TB 6Gb SATA Desktop Hard Disk Drives HDS724040ALE640
Hitachi drives are directly connected to LSI 9207-8e using a 2-meter SAS SFF-8088 to eSATA cable to six-inch eSATA/SATA adapter.
The Enterprise drives are on LSI's compatibility list. The Desktop drives are not, but regardless, both drive models are affected by the problem.
Interestingly, this entire configuration but with two SIIG eSATA 2-Port adapters instead of the LSI 9207-8e, works perfectly with both reads and writes at 670Mb/sec.
I thought SAS was going to be a sure bet for expanding beyond the capacity of port limited eSATA adapters, but after a week of frustration and spending over $5,000.00 on drives, controllers and cabling, it's time to ask for help!
Any similar experiences or solutions?

Has anyone else seen Windows Server 2012 Storage Spaces with a Simple RAID 0 (also happens with Mirrored RAID 1 and Parity RAID 5) virtual disk exhibiting extremely slow read speed of 5Mb/sec, yet write performance is normal at 650Mb/sec in RAID 0?
Windows Server 2012 Standard
Intel i7 CPU and Motherboard
LSI 9207-8e 6Gb SAS JBOD Controller with latest firmware/BIOS and Windows driver.
(4) Hitachi 4TB 6Gb SATA Enterprise Hard Disk Drives HUS724040ALE640
(4) Hitachi 4TB 6Gb SATA Desktop Hard Disk Drives HDS724040ALE640
Hitachi drives are directly connected to LSI 9207-8e using a 2-meter SAS SFF-8088 to eSATA cable to six-inch eSATA/SATA adapter.
The Enterprise drives are on LSI's compatibility list. The Desktop drives are not, but regardless, both drive models are affected by the problem.
Interestingly, this entire configuration but with two SIIG eSATA 2-Port adapters instead of the LSI 9207-8e, works perfectly with both reads and writes at 670Mb/sec.
I thought SAS was going to be a sure bet for expanding beyond the capacity of port limited eSATA adapters, but after a week of frustration and spending over $5,000.00 on drives, controllers and cabling, it's time to ask for help!
Any similar experiences or solutions?
1) Yes, being slow either on reads or on writes is a quite common situation for storage spaces. See references (with some of the solutions I hope):
http://social.technet.microsoft.com/Forums/en-US/winserverfiles/thread/a58f8fce-de45-4032-a3ef-f825ee39b96e/
http://blogs.technet.com/b/askpfeplat/archive/2012/10/10/windows-server-2012-storage-spaces-is-it-for-you-could-be.aspx
http://social.technet.microsoft.com/Forums/en-US/winserver8gen/thread/64aff15f-2e34-40c6-a873-2e0da5a355d2/
and this one is my favorite putting a lot of light on the issue:
http://helgeklein.com/blog/2012/03/windows-8-storage-spaces-bugs-and-design-flaws/
2) Issues with SATA-to-SAS hardware is also very common. See:
http://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/5d4f68b7-5fc4-4a3c-8232-a2a68bf3e6d2
StarWind iSCSI SAN & NAS

Install Windows Server 2012 R2 VM on Storage Spaces with Storage Tiers

Hey guys
In my small/medium sized company we will soon update to Windows Server 2012 R2. I would like to implement virtual servers using Hyper-V. I didn't find a lot of information about Hyper-V in combination with storages spaces and autoamted storage tiers.
And this is very confusing to me as it seems to me that this would be the best practice as it is the most cost-efficient and most elegant solution.
My ideal scenario:
With Hyper-V I virtualize two Windows Server 2012 R2 instances. So two separate virtual machines.
I use the following disk setup:
1x cheap HDD 40GB for hyper-v server 2012 r2 core.
2x SSD 200GB (enterprise-grade)
2x HDD 4TB (7.2k, enterprise-grade)
Step 1:
I will install Hyper-V Server 2012 R2 Core on the 40GB HDD. Via command line, I will create a storage pool with automated tiered storage using the SSDs and the HDDs in mirrored mode the following way:
With Tiered Storage, I create a storage pool containing the SSDs and the HDDs. Then I create storage space A (1TB) and B (3.2TB) with the SSDs in a mirrored setup and the HDDs in a mirrored setup. The SSDs for the „hot files“ and the HDDs for the „cold files“.
Step2:
Ontop of the storage space A I want to install the first Windows Server 2012 R2 instance with Active directory. On storage space B I want to install the second Windows Server 2012 R2 instance for a business application to run on it.
Conclusion:
The SSDs are mirrored and therefore one SSD can fail.
The 4TB HDDs are mirrored and therefore one HDD can fail.
I have a fast and easy scalable environment.
But in the Internet I found many information that it’s not possible to install an operating system onto a storage tier.
Question 1:
Is this setup possible?
Question 2:
If this setup is possible, why is not everyone doing it?
Question 3:
Is it possible to do Step 1 over a GUI from a remote machine?
Question 4:
If the creation of Storage Tiers in the Hyper-V Server 2012 R2 is not possible. Would it work to use a Windows Server 2012 R2 as a parent system on the 40GB HDD? To do Step 1?
I would gladly get some feedback of people knowing Storage Tiers well.
Thanks a lot!

I would absolutely prefer a GUI. But a Windows Server 2012 R2 Standard Licence allows you to run two VM machines.
It also grants you a physical installation ("POSE" in the licensing documents). You can buy one copy of WS2012R2 Standard, install it on the hardware, enable Hyper-V, and then operate two virtual machines with WS2012R2 Standard ("VOSE"
in the licensing documents). The only restriction is that the management operating system (POSE) can only run services and applications meant to manage the virtual machines and/or the management operating system. The Hyper-V Server license is the same way
so it's not really any different.
In short, given the benefits of the GUI at your stage of learning, you have no solid reason not to install the full system and take advantage of it. You can disable the GUI later once you get your footing. Or not. Whatever suits you. However, in response
to your Question 3, you can do this all remotely. Once you get WS2012R2 installed in a guest, you can use it to manage the management operating system if you want. There are many options.
But then I would also need to have redundancy on the 40GB HDD as if this HDD brakes, all others brake as well?
Yes, you're going to want some redundancy for the management operating system. But, you've listed 5 drives in your original layout. You don't really have a 5-bay system, do you? Is there an empty sixth bay? Could you not get two 40 GB drives instead of one
and use hardware RAID-1?
Eric Siron
Altaro Hyper-V Blog
I am an independent blog contributor, not an Altaro employee. I am solely responsible for the content of my posts.

ADI0052E: TSM API Error: ANS1311E (RC11) Server out of data storage space

Hello guys,
I have a problem with the backup on MaxDB. It always fails with the following error message
ADI0052E: TSM API Error: ANS1311E (RC11) Server out of data storage space
Has anyone faced this problem before? Any solution how could this be solved?
Thanks for your help.
Regards,
Dan

Hi Dan,
Check the TSM server and make sure the primary storage pool that is defined
as your copy destination for the management class you are using is not full
and or you have not run out of scratch tapes. In either case a storage pool
has filled up and cannot migrate data causing the RC11. This is usually what
an RC11 Server out of data storage space means.
I am sharing configuration for Oracle database. You can check similar configuration for MaxDB database.
when i defined the node in my tsm server :
REG NODE hostname_oracle password maxnummp=2, it was defined in standard storage pool, i moved it in other storage.
Hope this is useful.
Regards,
Deepak Kori

VMware and Windows Server Storage Space

We know Windows Storage Server could be storage of VMware.
Could VMware also adopt Storage Space feature when using Windows Storage Server?

Hi,
I'm a little unclear about the question.
Do you mean you are going to install a VM in VMware as Windows Storage Server and setup Storage Space on it?
I cannot confirm if there is any specific limitation of VMware but personally I think it will work. In Hyper-V it is supported.
Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

Server 2012 R2 Essentials - Restore Storage Spaces - Sector size mismatch

I am attempting to restore my R2 Essentials server storage spaces drive using the server restore process. I have purchased new larger hard drives to replace the existing ones. When the restore begins, it immediately fails with the following error:
For search:
The restore process did not succeed because the sector size of the restore destination volume is different than the sector size of the backup source volume. This can happen if you change the hard drive, configure a new Storage Spaces, or remove the
old Storage Spaces. Make sure that you restore the backup to a volume that uses the same sector size as the backup source.
Actually, after toying around with it I just restored files instead of the full drive. Not optimal, but same as a robocopy that I would have ended up doing otherwise.

Hi ,
From the error we can see that the sector between source storage and target storage doesn't match, we can run the now command line to display their sector:
C:\Windows\system32>fsutil fsinfo ntfsinfo H:
More information:
http://social.technet.microsoft.com/Forums/windowsserver/en-US/5d9e2f23-ee70-4d41-8bfc-c9c4068ee4e2/backup-fails-with-error-code-2155348010?forum=windowsbackup
http://technet.microsoft.com/en-us/library/jj713539.aspx
http://technet.microsoft.com/en-us/library/cc976808.aspx
Hope this helpful.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

DPM Storage Pool on Windows Server 2012R2 iSCSI target Storage Spaces - supported?

Hi,
for migration purpose we need more space for one of our DPM 2012R2 Servers.
And we cannot buy more space for our NetAPPs..
So our idea was to use an Windows Server 2012R2 as an iSCSI target and use Storage Spaces.
I remember something that using an iSCSI target on Windows 2008 was not supported.
Is this configuration supported when usinf DPM 2012R2 on Win 2012R2 and the target is Win2012R2 aswell?
Thanks in advance
regards
/bkpfast
My postings are provided "AS IS" with no warranties and confer no rights

Hi,
This talks about
Virtual DPM servers, but the same is true for Physical DPM servers when it comes to using .VHD(x) files for DPM storage pool.
Virtual DPM installations do not support the following:
Windows 2012 Storage Spaces.
Virtual hard drives built on top of storage spaces.
Local or remote hosting of VHDX files on Windows 2012 storage spaces.
Enabling Disk Dedupe on volumes hosting virtual hard drives.
Using synthetic FC to connect to tape drives.
Windows 2012 iSCSI targets (which use virtual hard drives) as a DPM storage pool.
NTFS compression for volumes hosting VHD files used in the DPM storage pool.
Bitlocker on volumes hosting VHD files used for the storage pool.
A native 4K sector size of physical disks for VHDX files in the DPM storage pool.
Virtual hard drives hosted on Windows 2008 servers.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

Storage Spaces on WS2012R2 Server Essentials drive space error

So, I finally bit the bullet and retired my V1 Home Server in favor of building out a Windows Server 2012R2 Server Essentials box as a replacement. All seemed to go well with the install and so I built out a Storage Space (16 TB) using an external 8-bay
enclosure with about 14 TB of drives in it. The Space built out fine and I then moved my Server Folders to it which also went well.
At that point, I attached my 4 TB external drive that had my movie backups on it and started copying them over. After about a day and a half it is done, or so I thought. It copied over about 3.2 TB of data and now when I try to copy basically anything onto
the Storage Space, I get the following error message:
There is not enough space on <folder name>
xx.x GB is needed to copy this item. Delete or move files so you have enough space.
<folder name> is whatever the target folder name is and xx.x is whatever size the file or files add up to.
This then just has an option to Try Again, Skip or Cancel. Problem is, the drive only has a few TB of data on it and still shows mostly empty, yet I can't copy hardly anything to it. It seems to allow me to copy smaller files individually, but any larger
group of files, or a folder with larger files in it yield the error above.
Anybody have any ideas?

Hi,
What is the resiliency type of the virtual disk in the Storage Spaces? How much the free space of the virtual disk? The issue may because the free space of the virtual disk is less than 4 TB.
You could refer to the articles below to know more about the virtual disk size of different resiliency types:
Storage Spaces - Designing for Performance
https://social.technet.microsoft.com/wiki/contents/articles/15200.storage-spaces-designing-for-performance.aspx
Using the Storage Pools page in Server Manager to create storage spaces
http://blogs.technet.com/b/filecab/archive/2012/12/06/using-the-storage-pools-page-in-server-manager-to-create-storage-spaces.aspx
Regards,
Mandy
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Storage spaces + Hyper-V with multiple 1GBe nics for storage?

Hi guys!
So I just got my private cloud hardware. I actually put in the order before summer, but due to firmware and certification issues on my desired SuperMicro JBODs delivery was seriously delayed. So much that I've completely forgotten my networking ideas. I
need help/verification. Or at least a URL - most described setups are 10 GBe nowadays... Or even a "not gonna work" :-)
My setup is supposed to be a 3 JBOD, 2 head node storage spaces/sfos cluster providing storage to a 4 node Hyper-V cluster. I didn't have a budget for a 10 GBe setup, but got a great price on a lot of 1 GBe nics. After allocating management, Hyper-V, etc
I have 3x 1 GBe ports left on all Hyper-V and Storage servers.
I think my original plan was to create three subnets and add one nic from each server. And then I guess I've imagined some kind of SMB3 magic discovering these paths between Hyper-V and storage and just aggregating bandwitdh and providing fault tolerance
by sprinkling fairy dust. Must have been the heat...
So now I'm "replanning" and I realize that I'm going to create a failover cluster at the storage level providing a cluster name and IP. I'm thinking the management subnet where domain info resides is appropriate, but then what about the other three
subnets? I don't want to flood my management subnet with storage traffic, but do want bandwidth and resilience. Did I make a design error, and how do I make the best of the situation?
Disclaimer: My previous experience on virtualization clusters is ISCSI SAN and 2008 R2 Hyper-V clusters. Storage Spaces is completely new to me :-)
And due to overlapping technologies I struggled a bit on placing this thread. Hope I got it right

Hello,
i did not understand how many NICs you have in each Host. Hyper-V Cluster with 1 GBe NICs work as long as you know that it is not 10 GBe.
In this article is the complete Hyper-V Cluster design in checklist form. I think you should work with this list for some further ideas:
http://blogs.technet.com/b/askpfeplat/archive/2013/03/10/windows-server-2012-hyper-v-best-practices-in-easy-checklist-form.aspx
Sorry that i cant give a better answer, but i lack information about about your environment.
Regards,
Thomas
Thomas Hanrath [MCT | Regional Lead Germany] |
http://www.hanrath.de
Microsoft Learning Blog |
http://blog.microsoftlearning.de
MCSE | Private Cloud

Memory Dump :FBL5N No roll storage space of length 1753104 available for internal storage.

Dear Friends,
           I am getting below error during T-Code FBL3N Report. No roll storage space of length 1753104 available for internal storage.
Our Server' RAM size is 24 GB,and existing parameters are as below
ztta/roll_area: 6500000
ztta/roll_extension:2000683008
abap/heap_area_total:2000683008
abap/heap_area_dia: 5000000000
abap/heap_area_nondia: 2000683008
em/initial_size_MB: 4092
Please suggest Parameter to be change.
Details Dump log ST22
Runtime Errors         TSV_TNEW_BLOCKS_NO_ROLL_MEMORY
Date and Time          04.03.2014 10:18:48
|Short Text                                                                                        |
|    No roll storage space of length 1753104 available for internal storage.                       |
|What happened?                                                                                    |
|    Each transaction requires some main memory space to process                                   |
|    application data. If the operating system cannot provide any more                             |
|    space, the transaction is terminated.                                                         |
|What can you do?                                                                                  |
|                                                                                                  |
|    Try to find out (e.g. by targetted data selection) whether the                                |
|    transaction will run with less main memory.                                                   |
|                                                                                                  |
|    If there is a temporary bottleneck, execute the transaction again.                            |
|    -                                                                                             |
|                                                                                                  |
|    If the error persists, ask your system administrator to check the                             |
|    following profile parameters:                                                                 |
|                                                                                                  |
|    o ztta/roll_area            (1.000.000 - 15.000.000)                                         |
|           Classic roll area per user and internal mode                                           |
|           usual amount of roll area per user and internal mode                                   |
|    o ztta/roll_extension       (10.000.000 - 500.000.000)                                       |
|           Amount of memory per user in extended memory (EM)                                      |
|    o abap/heap_area_total      (100.000.000 - 1.500.000.000)                                    |
|           Amount of memory (malloc) for all users of an application                              |
|           server. If several background processes are running on                                 |
|           one server, temporary bottlenecks may occur.                                           |
|           Of course, the amount of memory (in bytes) must also be                                |
|           available on the machine (main memory or file system swap).                            |
|           Caution:                                                                               |
|           The operating system must be set up so that there is also                              |
|           enough memory for each process. Usually, the maximum address                           |
|           space is too small.                                                                    |
|           Ask your hardware manufacturer or your competence center                               |
|           about this.                                                                            |
|           In this case, consult your hardware vendor                                             |
|    abap/heap_area_dia:        (10.000.000 - 1.000.000.000)                                       |
|           Restriction of memory allocated to the heap with malloc                                |
|           for each dialog process.                                                               |
|    Parameters for background processes:                                                          |
|    abap/heap_area_nondia:        (10.000.000 - 1.000.000.000)                                    |
|           Restriction of memory allocated to the heap with malloc                                |
|           for each background process.                                                           |
|    Other memory-relevant parameters are:                                                         |
|    em/initial_size_MB:         (35-1200)                                                         |
|           Extended memory area from which all users of an                                        |
|           application server can satisfy their memory requirement.                               |
|    Note which actions and input led to the error.                                                |
|                                                                                                  |
|    For further help in handling the problem, contact your SAP administrator                      |
|    .                                                                                             |
|                                                                                                  |
|    You can use the ABAP dump analysis transaction ST22 to view and manage                        |
|    termination messages, in particular for long term reference.                                  |
|                                                                                                  |
|Error analysis                                                                                    |
|    The internal table "\CLASS=ZCL_IM__GTA_TAX_CODE\METHOD=IF_EX_FI_ITEMS_CH_DATA~C               |
|    HANGE_ITEMS\DATA=GT_BSIK" could not be enlarged further.                                      |
|                                                                                                  |
|    Memory location: "Session memory"                                                             |
|                                                                                                  |
|    You attempted to extend the data structure for the management of the                          |
|    memory blocks for table "\CLASS=ZCL_IM__GTA_TAX_CODE\METHOD=IF_EX_FI_ITEMS_CH_D               |
|    ATA~CHANGE_ITEMS\DATA=GT_BSIK". However, the 1753104 bytes required for                       |
|    this were no longer available in the specified memory area.                                   |
|                                                                                                  |
|    The amount of memory requested is no longer available.                                        |
|How to correct the error                                                                          |
|                                                                                                  |
|    Try to decide by analysis whether this request is                                             |
|    reasonable or whether there is a program error. You should pay                                |
|    particular attention to the internal table entries listed below.                              |
|                                                                                                  |
|                                                                                                  |
|                                                                                                  |
|                                                                                                  |
|                                                                                                  |
|                                                                                                  |
|    If the error occures in a non-modified SAP program, you may be able to                        |
|    find an interim solution in an SAP Note.                                                      |
|    If you have access to SAP Notes, carry out a search with the following                        |
|    keywords:                                                                                     |
|                                                                                                  |
|    "TSV_TNEW_BLOCKS_NO_ROLL_MEMORY" " "                                                          |
|    "ZCL_IM__GTA_TAX_CODE==========CP" or "ZCL_IM__GTA_TAX_CODE==========CM001"                   |
|    "IF_EX_FI_ITEMS_CH_DATA~CHANGE_ITEMS"                                                         |
|                                                                                                  |
|    If you cannot solve the problem yourself and want to send an error                            |
|    notification to SAP, include the following information:                                       |
|                                                                                                  |
|    1. The description of the current problem (short dump)                                        |
|                                                                                                  |
|       To save the description, choose "System->List->Save->Local File                            |
|    (Unconverted)".                                                                               |
|                                                                                                  |
|    2. Corresponding system log                                                                   |
|                                                                                                  |
|       Display the system log by calling transaction SM21.                                        |
|       Restrict the time interval to 10 minutes before and five minutes                           |
|    after the short dump. Then choose "System->List->Save->Local File                             |
|    (Unconverted)".                                                                               |
|                                                                                                  |
|    3. If the problem occurs in a problem of your own or a modified SAP                           |
|    program: The source code of the program                                                       |
|       In the editor, choose "Utilities->More                                                     |
|    Utilities->Upload/Download->Download".                                                        |
|                                                                                                  |
|    4. Details about the conditions under which the error occurred or which                       |
|    actions and input led to the error.                                                           |
|                                                                                                  |
|System environment                                                                                |
|    SAP-Release 700                                                                               |
|                                                                                                  |
|    Application server... "NEWPRD1"                                                              |
|    Network address...... "10.0.0.1"                                                              |
|    Operating system..... "Windows NT"                                                            |
|    Release.............. "6.0"                                                                   |
|    Hardware type........ "16x AMD64 Level"                                                       |
|    Character length.... 16 Bits                                                                  |
|    Pointer length....... 64 Bits                                                                 |
|    Work process number.. 19                                                                      |
|    Shortdump setting.... "full"                                                                  |
|                                                                                                  |
|    Database server... "NEWPRD1"                                                                 |
|    Database type..... "ORACLE"                                                                   |
|    Database name..... "PRD"                                                                      |
|    Database user ID.. "SAPSR3"                                                                   |
|                                                                                                  |
|    Terminal................. " "                                                                 |
|                                                                                                  |
|    Char.set.... "C"                                                                              |
|                                                                                                  |
|    SAP kernel....... 700                                                                         |
|    created (date)... "Sep 17 2012 22:56:00"                                                      |
|    create on........ "NT 5.2 3790 Service Pack 2 x86 MS VC++ 14.00"                              |
|    Database version. "OCI_10201_SHARE (10.2.0.4.0) "                                             |
|                                                                                                  |
|    Patch level. 353                                                                              |
|    Patch text.. " "                                                                              |
|                                                                                                  |
|    Database............. "ORACLE 10.1.0.*.*, ORACLE 10.2.0.*.*, ORACLE 11.2.*.*.*"               |
|    SAP database version. 700                                                                     |
|    Operating system..... "Windows NT 5.0, Windows NT 5.1, Windows NT 5.2, Windows                |
|     NT 6.0, Windows NT 6.1, Windows NT 6.2"                                                      |
|                                                                                                  |
|    Memory consumption                                                                            |
|    Roll.... 16192                                                                                |
|    EM...... 1826770240                                                                           |
|    Heap.... 0                                                                                    |
|    Page.... 40960                                                                                |
|    MM Used. 1815573536                                                                           |
|    MM Free. 2717408                                                                              |
|User and Transaction                                                                              |
|                                                                                                  |
|    Client.............. 500                                                                      |
|    User................ 1651                                                                     |
|    Language key........ "E"                                                                      |
|    Transaction......... " "                                                                      |
|    Transactions ID..... "ED4EA3E3AB0AF11DA318E61F131BC713"                                       |
|                                                                                                  |
|    Program............. "ZCL_IM__GTA_TAX_CODE==========CP"                                       |
|    Screen.............. "SAPMSSY0 1000"                                                          |
|    Screen line......... 6                                                                        |
|Information on where terminated                                                                   |
|    Termination occurred in the ABAP program "ZCL_IM__GTA_TAX_CODE==========CP" -                 |
|     in "IF_EX_FI_ITEMS_CH_DATA~CHANGE_ITEMS".                                                    |
|    The main program was "RFITEMGL ".                                                             |
|                                                                                                  |
|    In the source code you have the termination point in line 64                                  |
|    of the (Include) program "ZCL_IM__GTA_TAX_CODE==========CM001".                               |
|    The program "ZCL_IM__GTA_TAX_CODE==========CP" was started as a background job.               |
|    Job Name....... "RFITEMGL"                                                                    |
|    Job Initiator.. "BASIS"                                                                       |
|    Job Number..... 09115400                                                                      |
|Source Code Extract                                                                               |
|Line |SourceCde                                                                                   |
|   34|          MANDT TYPE BSEG-MANDT,                                                            |
|   35|          BUKRS TYPE BSEG-BUKRS,                                                            |
|   36|          BELNR TYPE BSEG-BELNR,                                                            |
|   37|          GJAHR TYPE BSEG-GJAHR,                                                            |
|   38|          BUZEI TYPE BSEG-BUZEI,                                                            |
|   39|          QSSKZ TYPE BSEG-QSSKZ,                                                            |
|   40|          KTOSL TYPE BSEG-KTOSL,                                                            |
|   41|          HKONT TYPE BSEG-HKONT,                                                            |
|   42|         END OF TY_BSEG,                                                                    |
|   43|                                                                                            |
|   44|         BEGIN OF TY_FINAL,                                                                 |
|   45|           BUKRS TYPE BSEG-BUKRS,                                                           |
|   46|           BELNR TYPE BSEG-BELNR,                                                           |
|   47|           GJAHR TYPE BSEG-GJAHR,                                                           |
|   48|         END OF TY_FINAL.                                                                   |
|   49|                                                                                            |
|   50| DATA: CW_ITEMS TYPE RFPOSXEXT,                                                            |
|   51|        GT_BSIK TYPE STANDARD TABLE OF TY_BSIK,                                             |
|   52|        GW_BSIK TYPE TY_BSIK,                                                               |
|   53|        GT_BSAK TYPE STANDARD TABLE OF TY_BSAK,                                             |
|   54|        GW_BSAK TYPE TY_BSAK,                                                               |
|   55|        GT_BSEG TYPE STANDARD TABLE OF TY_BSEG,                                             |
|   56|        GW_BSEG TYPE TY_BSEG,                              &nb

sap basis wrote:
|Information on where terminated                                                                   |
|    Termination occurred in the ABAP program "ZCL_IM__GTA_TAX_CODE==========CP" -                 |
|     in "IF_EX_FI_ITEMS_CH_DATA~CHANGE_ITEMS".                                                    |
|    The main program was "RFITEMGL ".                                                             |
|                                                                                                  |
|    In the source code you have the termination point in line 64                                  |
|    of the (Include) program "ZCL_IM__GTA_TAX_CODE==========CM001".                               |
|    The program "ZCL_IM__GTA_TAX_CODE==========CP" was started as a background job.               |
|    Job Name....... "RFITEMGL"                                                                    |
|    Job Initiator.. "BASIS"                                                                       |
|    Job Number..... 09115400                                                                      |
First of all try to optimize code.

Storage Spaces UI missing disks when a controller reports the same UniqueID for all attached disks (e.g. Supermicro AOC-SASLP-MV8)

Summary: The Storage Spaces UI has several problems when there are more than 21 physical disks available to Storage Spaces.
I have 28 SATA disks connected over 6 controllers. 2 are used for an Intel motherboard RAID1 for OS (PhysicalDisk0), so that leaves 26 data disks for Storage Spaces. [The plan is to get to 36 data disks in due course by adding disks (this 36-bay chassis: http://www.supermicro.com/products/chassis/4U/847/SC847A-R1400LP.cfm)]
Initially, there were 23 data disks (5x 1TB, 1x 640GB, 14x 500GB, 3x 250GB) as PhysicalDisk1-23 (in that order), which I put into a storage pool. I created a parity disk over all 23 disks. It looks like it is working fine, albeit very slowly on writes.
I've now added 3 more 4TB disks, as PhysicalDisk24-26, and taken them offline, and have now noticed errors in the Storage Pools UI in the Server Manager. For example:
* No more than 21 disks ever show up in the "Physical Disks" area in the lower right. When the 23 disks are connected, only the first 21 show up in the pool I created. With 26 disks connected, only the first 20 show up in the pool, and only 1 more of the
new 3 (PhysicalDisk26) shows up in the Primordial group.
* In the Properties of the parity Virtual Disk created over the 23 disks, the disks are shown incorrectly. Again, only 21 disks are shown, and PhysicalDisk26 is incorrectly shown as part of the virtual disk. See image:
* Using the New Storage Pool Wizard, I cannot add more than 1 of the new 3 disks to a new Storage Pool (only PhysicalDisk26 is available). And the details incorrectly refer to PhysicalDisk21. See image (a WDC WD2500JD-22H is a 250GB disk, not a 4TB disk).
Thus I cannot use the new disks in a new storage pool.
According the blog post at http://blogs.msdn.com/b/b8/archive/2012/01/05/virtualizing-storage-for-scale-resiliency-and-efficiency.aspx:
Q) What is the minimum number of disks I can use to create a pool? What is the maximum?
You can create a pool with only one disk. However, such a pool cannot contain any resilient spaces (i.e. mirrored or parity spaces). It can only contain a simple space which does not provide resiliency to failures. We do test pools comprising multiple hundreds
of disks – such as you might see in a datacenter. There is no architectural limit to the number of disks comprising a pool.
However, the UI currently does not seem to correctly work with more than 21 physical disks. Please advise.
Using Server 2012 RC.
Hardware: Supermicro X8SAX (BIOS v2.0), Intel i7-920 2.67GHz, 6x 2GB DDR3-1333 (certified Crucial CT25664BA1339.16SFD)
Disk controllers: 2x RAIDCore BC4852 (PCI-X, final 3.3.1 driver) (15 ports used), 2x Supermicro AOC-SASLP-MV8 (PCIe, 4.0.0.1200 Marvell driver to allow >2TB disks) (6 ports used), Sil 3114 (PCI, latest 1.5.20.3 driver) (1 port used), motherboard Intel
in RAID mode (4 ports used for data, plus 2 for OS RAID1).

An update. I added 16x SATA disks across 2x Supermicro AOC-SASLP-MV8. All 16 disks report the same UniqueID.
I have 25 disks in the pool now (23 as parity; 2 as journal added via PowerShell). 10 of these are on the two AOC-SASLP-MV8 controllers. Only the first 16 disks show up in the UI, so 9 are missing from the UI - which is consistent with this UI bug where
only one disk per UniqueID shows up. PowerShell does work to manage the SS.
PS C:\Users\administrator.TROUNCE> Get-PhysicalDisk | format-list FriendlyName, UniqueId, ObjectId, BusType
FriendlyName : PhysicalDisk6
UniqueId : 00280000004000004FB116493C169A1A
ObjectId : {7ab38e00-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk7
UniqueId : 00280000004000001AE48E5088028D0D
ObjectId : {7ab38e02-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk8
UniqueId : 002800000040000020C9A6680224E32F
ObjectId : {7ab38e04-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk9
UniqueId : 0028000000400000FDE73E7254A60C4C
ObjectId : {7ab38e06-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk23
UniqueId : 0050430000000000
ObjectId : {7ab38e08-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk22
UniqueId : 0050430000000000
ObjectId : {7ab38e0a-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk21
UniqueId : 0050430000000000
ObjectId : {7ab38e0c-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk20
UniqueId : 0050430000000000
ObjectId : {7ab38e0e-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk5
UniqueId : 0028000000400000272BA74A52309853
ObjectId : {7ab3900f-ab87-11e1-bbbd-002590520253}
BusType : Fibre Channel
FriendlyName : PhysicalDisk19
UniqueId : 0050430000000000
ObjectId : {7ab38e10-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk4
UniqueId : 00280000004000009DE164099941430A
ObjectId : {7ab39011-ab87-11e1-bbbd-002590520253}
BusType : Fibre Channel
FriendlyName : PhysicalDisk18
UniqueId : 0050430000000000
ObjectId : {7ab38e12-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk11
UniqueId : 0028000000400000967EB0559AB4E351
ObjectId : {7ab39013-ab87-11e1-bbbd-002590520253}
BusType : Fibre Channel
FriendlyName : PhysicalDisk17
UniqueId : 0050430000000000
ObjectId : {7ab38e14-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk24
UniqueId : 0050430000000000
ObjectId : {7ab38e16-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk10
UniqueId : 0028000000400000B22A722C8AD2557B
ObjectId : {df23f916-c19f-11e1-bbf5-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk16
UniqueId : 0028000000400000DA4D24536A847E52
ObjectId : {7ab38e19-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk15
UniqueId : 00280000004000005DEDFF007783A242
ObjectId : {7ab38e1b-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk14
UniqueId : 002800000040000018C9CF6EBE605911
ObjectId : {7ab38e1d-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk13
UniqueId : 0028000000400000B64436290D155A48
ObjectId : {7ab38e1f-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk0
UniqueId : IDE\DiskOS1.0.00__\4&180adc7b&0&0.0.0:Trounce-Server2
ObjectId : {df23f925-c19f-11e1-bbf5-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk31
UniqueId : 0050430000000000
ObjectId : {df241daf-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk32
UniqueId : 0050430000000000
ObjectId : {df241db2-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk27
UniqueId : 0050430000000000
ObjectId : {df241cbe-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk28
UniqueId : 0050430000000000
ObjectId : {df241cc1-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk34
UniqueId : 0050430000000000
ObjectId : {df241dc4-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk29
UniqueId : 0050430000000000
ObjectId : {df241cca-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk33
UniqueId : 0050430000000000
ObjectId : {df241dcf-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk30
UniqueId : 0050430000000000
ObjectId : {df241cd3-c19f-11e1-bbf5-002590520253}
BusType : RAID
FriendlyName : PhysicalDisk2
UniqueId : 002800000040000037638531D4A17419
ObjectId : {7ab38df8-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk3
UniqueId : 0028000000400000AB7400464090110C
ObjectId : {7ab38dfa-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel
FriendlyName : PhysicalDisk1
UniqueId : IDE\DiskWDC_WD6400AAKS-00A7B2___________________01.03B01\4&180adc7b&0&0.1.0:Trounce-Server2
ObjectId : {7ab38dfc-ab87-11e1-bbbd-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk12
UniqueId : 00280000004000005396CC47AA8AD97B
ObjectId : {7ab38dfe-ab87-11e1-bbbd-806e6f6e6963}
BusType : Fibre Channel

Removing disk from a volume storage space 2012 r2

Hi, I've got a issue, here's my situation, i'm using storage space on a windows server 2012 R2 for my backups. Fisrt I had 14 3tb disk in mirror so there was 19tb usable for date. Now I needed more space so I just added 14 more disk and I extended the virtual
disk to 38tb. Then when I wnet into windows management -> disk management to extend the partition to use the full 38tb, I got the following error message
Virtual Disk Service error:
The volume cannot be extended because the number of clusters will
exceed the maximum number of clusters supported by the file system
Then I realized that the cluster size where only at 8k, reading on the Web i understood that I couldn't get more then 32tb.
Now I would like to remove all of the 14 disk I just added in the pool and create a new pool with 64Ko cluster size so I wont worry about my next size upgrade.
I'm afraid that even if windows see the added space has a not allocated space, the storage pool is now using the disks. I can't afford to lose any data.
How can I proceed??
I saw procedure on this site but they seem's to be for removing 1 disk... since I have 14 disk fully integrated in my pool I am a bit nervous following a one disk procedure
thank you

Hi,
As you have already added the 14 new disks into your existing pool, you will need to check if virtual disk is already extended onto these new physical disks.
If not, you should able to remove them from the pool - if virtual disk is already extended onto these new disks, It will ask for replacement to replace them with new hard disks.
If a part of hard disks could be removed, maybe you can migrate data onto these hard disks (no need to create a storage pool), delete the existing pool to recreate and migrate files back.
If you have any feedback on our support, please send to [email protected]

How can I configure ReFS to NOT fail read operations when a checksum error is detected (on non-Storage-Spaces volumes where data integrity streams are enabled)?

According to William Stanek, in his Windows Server 2012 R2 Inside Out: Configuration, Storage & Essentials book, this is apparently possible: (pg. 615 - here it is on Google Books: https://books.google.ca/books?id=0IyfBAAAQBAJ&pg=PT819&lpg=PT819&dq=read+operation )
Integrity can be enabled when the system is not running on Storage Spaces. When
integrity is enabled and ReFS detects a checksum mismatch, ReFS logs an event and
fails the read operation by default. If you don’t want the read operation to fail, you
can configure ReFS to continue with the read operation. A related event will be logged
regardless.
So then how do I configure it to do that???
(And just to make it super-clear, I'm NOT using Storage Spaces, so there is no redundancy via mirroring/parity, and I'm not expecting any file repair - just detection of corruption. It's just a basic volume formatted with ReFS and
with integrity streams enabled, via format E: /fs:ReFS /i:enabled
For those who want more details, here's the situation:
I try to perform a read operation on a file with corrupted data (purposely done for testing using a low-level disk editor), I get a the following error message:
And an event ID 133 from ReFSv1 gets logged in the System log:
Clicking "Try Again" just brings up the same message, and clicking "Skip" skips the operation entirely.
This is indeed the correct default behaviour.
What I want instead is for the read operation to be allowed to complete, with corrupt data and all, and ONLY for the event to be logged. And according to William Stanek, this is supposed to be configurable somewhere - and after hours of searching, I haven't
been able to find anything.

Hi Tommy,
>>How can I configure ReFS to NOT fail read operations when a checksum error is detected
We can use PowerShell command Set-FileIntegrity to configure this. The specific parameter for controlling this behavior is
-Enforce <Boolean>which indicates whether to enable blocking access to a file if integrity streams do not match the data.
Regarding this point, the following article can be referred to as reference.
Set-FileIntegrity
https://technet.microsoft.com/en-us/library/jj218351.aspx
Best regards,
Frank Shen
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

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