Repair Degraded Storage Spaces Virtual Disk - All physical disks show healthy

I've seen this mentioned a few times but no definitive answers. I have a Storage Pool with 8 physical disks. Each physical disk shows as healthy and auto select. I have thick provisioned Virtual Disk created on this Storage Pool in a parity configuration.
This virtual disk is configured for the maximum amount on the storage pool. 50% of the space is available on the volume of the virtual disk...I click repair it does nothing.
Tested yanking a physical disk. Virtual disk becomes unavailable. No redundancy currently. How the heck do I fix this???

Hi,
First please try to run a repair again with Powershell cmdlet:
Repair-VirtualDisk
If issue still exists please try optimize to see if it will help:
Optimize-Volume
If you have any feedback on our support, please send to [email protected].
Repair-VirtualDisk:
Runs shows a progress bar for a very short period of time. Goes back to prompt. No messages or errors. Running Get-Virtual disk still shows the VD as degraded.
Optimize-Volume:
PS C:\Users\Administrator> Optimize-Volume -driveletter D -analyze -defrag -verbose
VERBOSE: Invoking defragmentation on DATA (D:)...
Optimize-Volume : A general error occurred that is not covered by a more specific error code.
At line:1 char:1
+ Optimize-Volume -driveletter D -analyze -defrag -verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (MSFT_Volume (Ob...8-8907-3485...):ROOT/Microsoft/...age/MSFT_Volume) [Opt
imize-Volume], CimException
+ FullyQualifiedErrorId : HRESULT 0x89000000,Optimize-Volume
PS C:\Users\Administrator> Optimize-Volume -driveletter D -analyze -defrag -verbose
VERBOSE: Invoking defragmentation on DATA (D:)...
Optimize-Volume : A general error occurred that is not covered by a more specific error code.
At line:1 char:1
+ Optimize-Volume -driveletter D -analyze -defrag -verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (MSFT_Volume (Ob...8-8907-3485...):ROOT/Microsoft/...age/MSFT_Volume) [Opt
imize-Volume], CimException
+ FullyQualifiedErrorId : HRESULT 0x89000000,Optimize-Volume
PS C:\Users\Administrator> Optimize-Volume D -analyze -verbose
VERBOSE: Invoking analysis on DATA (D:)...
Optimize-Volume : A general error occurred that is not covered by a more specific error code.
At line:1 char:1
+ Optimize-Volume D -analyze -verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (MSFT_Volume (Ob...8-8907-3485...):ROOT/Microsoft/...age/MSFT_Volume) [Opt
imize-Volume], CimException
+ FullyQualifiedErrorId : HRESULT 0x89000000,Optimize-Volume
PS C:\Users\Administrator> Optimize-Volume D -Verbose
VERBOSE: Invoking defragmentation on DATA (D:)...
Optimize-Volume : A general error occurred that is not covered by a more specific error code.
At line:1 char:1
+ Optimize-Volume D -Verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (MSFT_Volume (Ob...8-8907-3485...):ROOT/Microsoft/...age/MSFT_Volume) [Opt
imize-Volume], CimException
+ FullyQualifiedErrorId : HRESULT 0x89000000,Optimize-Volume
Both error out...

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Repair-VirtualDisk on Storage Spaces simple volume with retired disk?

Hello,
Does anyone know if it's possible to retire a disk from a Storage Space simple volume, and use the Repair-VirtualDisk commandlet to migrate any data off the retired volume? It sounds like this is how it would work for a parity volume, but it's unclear if
Windows will try to move data off a retired disk of a simple volume. Or is repair actually performing parity recovery?
i.e. I want to replace disks in a simple volume with larger disks, and remove the old disks, is creating a new volume and migrating data the only way?
Thank you!

Hi,
Simple spaces are not resilient to disk failures, so we cannot add a new physical disk to replace the failed physical disk.
If you have backed up the files in that virtual disk, you could delete the disk then remove physical disks from the pool.
For more detailed information, please see:
Storage Spaces - Remove Physical Disk
https://social.technet.microsoft.com/Forums/windowsserver/en-US/dbbf317b-80d2-4992-b5a9-20b83526a9c2/storage-spaces-remove-physical-disk?forum=winserver8gen
Best Regards,
Mandy
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]

Storage Spaces: Virtual Disk taken offline during file copy, marked as "This disk is offline because it is out of capacity", but plenty of free space

Server 2012 RC. I'm using Storage Spaces, with two virtual disks across 23 underlying physical disks.
* First virtual disk is fixed provisioning, parity across 23 physical disks: 10,024GB capacity
* Second virtual disk is fixed provisioning, parity across the remaining space on 6 of the same physical disks: 652GB capacity
These have been configured as dynamic disks, with an NTFS volume spanned across the two (larger virtual disk first). Total volume size 10,676GB. For more details of the hardware, and why the configuration is like this, see: http://social.technet.microsoft.com/Forums/en-US/winserver8gen/thread/c35ff156-01a8-456a-9190-04c7bcfc048e
I'm copying several TB from a network share to this volume. It is very slow at ~12MB/sec, but works. However, three times so far, several hours in to the file copy and with plenty of free space remaining, the 10,024GB virtual disk is suddenly taken offline.
This obviously then fails the spanned volume and stops the file copy.
The second time, I took screenshots, below. The disk (Disk27) is marked offline due to "This disk is offline because it is out of capacity". And the disk in the spanned volume is marked as missing (which is what you would expect when one of its member disks
is offline).
I can then mark the disk (Disk27) back online again, and this restores the spanned volume. I can then re-start the file copy from where it failed. There doesn't appear to be any data loss, but it does cause an outage that requires manual attention. As you
can see, there is plenty of space left on the spanned volume.
Each time this has happened, there are a few event 150 errors in the System event log: "Disk 27 has reached a logical block provisioning permanent resource exhaustion condition.". Source: Disk.
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="disk" />
<EventID Qualifiers="49156">150</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2012-06-07T11:24:53.572101500Z" />
<EventRecordID>14476</EventRecordID>
<Channel>System</Channel>
<Computer>Trounce-Server2.trounce.corp</Computer>
<Security />
</System>
- <EventData>
<Data>\Device\Harddisk27\DR27</Data>
<Data>27</Data>
<Binary>000000000200300000000000960004C0000000000000000000000000000000000000000000000000</Binary>
</EventData>
</Event>
This error seems to be related to thin provisioning of disks. I found this:
http://msdn.microsoft.com/en-us/library/windows/desktop/hh848068(v=vs.85).aspx. But both these Virtual Disks are configured as Fixed, not Thin provisioning, so it shouldn't apply.
My thoughts: the virtual disk should not spuriously go offline during a file copy, even if it was out of space. And in any case, there is plenty of free space remaining. Also, I don't understand the reason for why it is marked as offline ("This disk is offline
because it is out of capacity"). Why would a disk go offline because it was out of thin capacity, rather than just returning an "out of disk space" error while keeping it online.

Interesting Thread, I've been having the same issue. I had a failed hardware RAID that was impossible to recover in place, so after being forced to do a 1:1 backup, I find myself with 5 2TB hard drives to play with. Storage Spaces seemed like an interesting
way to go until I started facing the issues we share.
So my configuration is A VM Running Windows Server 2012 RC with 5 Virtualized Physical drives using a SCSI interface, 2TB in size that make up my storage pool. A Single Thinly provisioned Disk of 18 TB (using 1 disk for parity)
Interestly enough, write speed has not been an issue on this machine (30~70MB/s, up from 256k on the beta)
Of note to me is this error in my event log 13 minutes before the drive disappeared:
"The shadow copies of volume E: were deleted because the shadow copy storage could not grow in time.Consider reducing the IO load on the system or choose a shadow copy storage volume that is not being shadow copied."Source: volsnap, Event ID: 25, Level: Error
followed by:
"The system failed to flush data to the transaction log. Corruption may occur in VolumeId: E:, DeviceName: \Device\HarddiskVolume17.(The physical resources of this disk have been exhausted.)"Source: Ntfs (Microsoft-Windows-Ntfs), Event ID: 140, Level: Warning
I figure the amount of space available to me before I start encountering physical limits is in the vicinity of about 7TB. It dropped out for the second time at 184 GB.
FYI, the number of columns created for me is 5
Regards,
Steven Blom

What is the difference between Logical Disk and Physical Disk?

Hi.
When I do Performance Monitor, I got Logical Disk Avg. Disk sec/Write counter and Physical Disk Avg. Disk sec/Write counter.
But I can see the different Avg. value and Max. value.
Even if Logical and Physical Disk are one-to-one mapping.
Why did i get the result?
One the other hands, I got a same result that Logical Disk Avg. Disk sec/Read counter and Physical Disk Avg. Disk sec/Read counter's Avg. value and Max. value.

Physical Disk refers to an actual physical HDD (or array in a hardware RAID setup), whereas Logical Disk refers to a Volume that has been created on that disk.
So if you have one disk with one volume created on it then the values are likely to be 1 to 1, but if you have multiple volumes on the disk, for instance a physical disk with C:\ and D:\ volumes running on it, then the logical disks relate to c:\ and d:\
rather than the disk they're running on.
See
http://blogs.technet.com/b/askcore/archive/2012/03/16/windows-performance-monitor-disk-counters-explained.aspx for a more in depth explanation.

Ipod disk all of sudden shows 28G of 'Other"

Anyone have this happen, out of the blue my Ipod summary shows that 28G (have 80G classic) of space is taken up by "Other". A day earlier showed on about 1G of Other, did not load anything out. Went into Windows Explorer to look at disk and only shows music out there, can't find any other types of files, also went into disk properties under Windows and it too shows the disk as now being over half full (have 13G of audio)
Any suggestions before I just restore and reload the music

The iPod's library is held in a hidden file at \iPod_Control\iTunes\iTunesDB - if this file deleted the iPod will appear empty, i.e. 0 songs, 0 videos etc. however all the files that were prevously listed are still taking up space on the drive. To make sure of my facts I renamed my file to iTunesDB.tmp & 27,500 songs just turned into 141Gb of other. Having reset the name back to iTunesDB I was happy to see that my iPod was back to it's old track count.
One possible reason for the iTunesDB file to vanish is if the iPod is removed while iTunes is manipulating the file. When updating the iPod it probably creates a temporary file with the new database, deletes the original & then renames the temp file to iTunesDB. Because Windows often employs a process called write-behind caching, even when you've selected Eject iPod & iTunes has announced that it is safe to remove it, it may still be the case that Windows has some data to write to the iPod's hard drive.
Restoring the iPod "should" format the drive, erasing everything, & create a new empty library plus the built-in games for that model. In practice it may be managed differently, e.g. by recusively deleting all of the iPod's built-in folder. If the later is the case then it is possible for certain types of logical disk error to persist across the restore. For this reason it may sometimes be useful to use this method - Erase your iPod - The Super Fix for most iPod Problems. Basically a low level format of the iPod’s hard drive to get around whatever problems are stopping iTunes from restoring it
tt2

How to move a virtual disk's physical allocation within a Storage Pool

I have a pool of 3x500GB where one the physical drives is having intermittent issues. Currently, there is only one parity Virtual Disk of 300GB Fixed across 3 columns. I want to replace the bad drive with a good one. The old way (pre-2012) was replace the
disk, repair the RAID 5, resync and done. These basic steps are not working.
So far I have added a 4th 500GB drive to the pool. After searching and failing to find a way to move the data non-destructively, I decided to just pull the data cable on the disk I wanted to replace. After refresh/rescan, the disconnected drive shows "lost
communication" and the virtual disk (after trying to repair) shows "unknown" (but the volume on that disk is accessible in Explorer). When I try to remove the physical disk in Server Manager, I get "The selected physical disk cannot
be removed". Reading the error message, I see that the replacement disk cannot contain any part of a virtual disk. The replacement disk that I just added appears to have some space allocated (possibly because I have tried this same procedure a couple
of times already?). When I look at the parity disk properties/health, it shows all four physical disks under "physical disks in use".
I have deleted and recreated a lot of storage pools lately while trying to understand how they work but I would like to avoid that this time. The data on the virtual disk in question is highly deduplicated and it took quite a while to get it that way. Since
I can't find a way to copy/mirror the disk while keeping it fully deduplicated, I would need 3x the space to copy it all off, or a lot of time to load up and deduplicate a new virtual disk.
I have several questions:
1. How can a 3 column parity disk use parts of four physical disks? And can that be fixed without recreating the virtual disk?
2. When creating a virtual disk (for example a 3 column disk in a pool that has four or more physical drives), is there a way to specify which physical disks to use?
3. I understand that after a physical disk failure, the recovery process will move a virtual disk's allocation to a replacement disk, but can a virtual disk's allocation be moved manually among physical disks within the same storage pool
using a PS script?
4. Can a deduplicated virtual disk be moved/mirrored/backed up without expanding the data?
Any help is appreciated.

Im still fighting with storage pools and need more tests to be done and have a lot of questions my self but ther goes what I understood so far.
You may define physical disks used for virtual disk by Powershell ,
for list of all commands follow this:
http://technet.microsoft.com/en-us/library/hh848705(v=wps.620).aspx ,
specific command defining physical disks to be used on already existing virtual disk:
Example 4: Manually assigning physical disks to a virtual disk
This example gets two physical disks that have already been added to the storage pool and designated as ManualSelect disks,
PhysicalDisk3 and PhysicalDisk4, and assigns them to the virtual disk
UserData.
PS C:\> Add-PhysicalDisk –VirtualDiskFriendlyName UserData –PhysicalDisks (Get-PhysicalDisk -FriendlyName PhysicalDisk3, PhysicalDisk4)
http://technet.microsoft.com/en-us/library/hh848702(v=wps.620).aspx
If You haven't seen this yet You may check it out http://blogs.technet.com/b/yungchou/archive/2011/12/06/free-ebooks.aspx

Replacing a failed disk in storage space ! unable to remove a retired disk

Hi Folks
Not really asking for much !! we are using windows 2012 R2 storage space ; one disk failed
and marked as retired.
today we received replacement disk ; added that to storage pool - fine.
then I repaired all Virtual Disk - process was very quick and went to 100% like a flash.
then I tried to remove faulty disk by using following commands :
$DeadDisk=Get-PhysicalDisk -FriendlyName PhysicalDisk-1
FriendlyName CanPool OperationalStatus HealthStatus Usage
Size
PhysicalDisk-1 False Lost Communication Warning Retired 185.5
GB
Remove-PhysicalDisk -PhysicalDisks $deaddisk -StoragePoolFriendlyName storagePool
this errored out ; basically saying that the above disk is still in-use !
Any suggestions ? does repair job take some time ? it looked very fast ; when I did get-storagejob ; it showed 100 percent completed .

Hi,
Please reboot the server then set the failed disk to "Retired" and remove the retired physical disk.
You could refer to the thread below to troubleshoot the issue:
Degraded Storage Spaces Storage Pool after single HDD failure
http://social.technet.microsoft.com/Forums/en-US/3a7e2a7d-4ad7-48cc-8165-0d6673e37436/degraded-storage-spaces-storage-pool-after-single-hdd-failure
Regards,
Mandy
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Storage Pool - Add Physical Disk Window Empty

I have a storage space configured with 5 physical drives on a clustered pair of servers. The drives themselves are MPIO iSCSI targets that are attached to each server. When I try to add an additional drive to the pool, the window to add the drives is blank.
I know the drives will work in a storage pool because I've tested creating the pool with all drives from scratch.
Any idea why this window would be blank? (FYI, the error isn't related to the pool, its a server I need to remove from the all servers list)

Hi Delocx,
Please check whether the new added disk can display in disk management. If so, is there any volume created on the disk? It should be an unallowcated disk.
In addition, you can also run the windows powershell cmdlet Get-PhysicalDisk
to check the status of "can pool" is ture or false.
I hope this helps.

Storage Spaces - Can't recover from OS reinstall (failure to attach VHD)

I had a Windows 2012 R2 Standard server with GUI running Storage Spaces on some non-raid drives. The OS became corrupted and so I had to reinstall. Upon reinstall I go to Storage Spaces and see everything just as it should be in terms of recovery.
The problem I'm having is the reattaching of the VHD file itself that hosts all of the files. I click attach VHD and it does, nothing shows up Explorer though.
So I go to manage disk drives and it shows all of the individual drives and the large VHD set to offline. I online the drive and the machine just basically locks up.
I tried to do the same thing via powershell but have the same problem with the machine just locking up. Anybody seend this before? I don't really care to actually get the Storage Spaces working at this point, just need access the files themselves
so I can pull them off. Any help is much appreciated.

Hi,
Generically Storage Space will not be affected with reinstall operation system - if we move all disks to another computer, storage space will still be recognized.
it shows all of the individual drives and the large VHD set to offline
We should not see any disk inside a created storage space in Disk Manager - Virtual Disks created in Storage Space will be listed but not the physical disks. So I need to confirm:
a. Whether "individual drives" means physical disks, or virtual disks created in Storage Space?b.
Whether "VHD" here means virtual disks in Storage Space, or you actually created VHD on virtual disks (in storage space).
If VHD here means virtual disks, you can test to connect all disks to another system which supports Storage Space (Windows Server 2012 or 2012 R2) to see if disks could be recognized.
However it seems more likely "VHDs on Virtual disk" - VHD files could corrupt which causes your current situation and if this is true, it will be difficult to get VHD files back to work as we have less option to repair a corrupted VHD file.
If you have any feedback on our support, please send to [email protected]

Storage Space - Inaccessible, reconnect drives

Hi
My 2 HDD Mirror Storage Space is no longer accessible. I cannot see it in explorer, and under Storage Space Manager it says Inaccessible, Reconnect drives. Both disks under Physical Disks are displaying as OK, so I'm really scratching my head.
The results from
Get-PhysicalDisk | fl *
Get-StoragePool | fl *
Get-VirtualDisk | fl *
Any help here would be appreciated, really scratching my head. Even when I connect each of the single disks on their own they don't show up
Are as follows:
Usage                            : Auto-Select
OperationalStatus                : OK
HealthStatus                     : Healthy
BusType                          : USB
CannotPoolReason                 : In a Pool
SupportedUsages                  : {Auto-Select, Manual-Select, Hot Spare, Retired...}
MediaType                        : UnSpecified
ObjectId                         : {1}\\OFFICE-PC\root/Microsoft/Windows/Storage/Providers_v2\SPACES_PhysicalDisk.Objec
                                   tId="{cef39ebe-7fba-11e3-8250-806e6f6e6963}:PD:{772e2d6a-f0f7-11e1-be68-806e6f6e6963
PassThroughClass                 :
PassThroughIds                   :
PassThroughNamespace             :
PassThroughServer                :
UniqueId                         : USBSTOR\Disk&Ven_Seagate&Prod_Portable&Rev_0130\2GHY5YD1____&0:office-pc
AllocatedSize                    : 956435529728
CanPool                          : False
Description                      :
DeviceId                         : 2
EnclosureNumber                  :
FirmwareVersion                  : 0130
FriendlyName                     : Seagate Portable USB Device
IsIndicationEnabled              :
IsPartial                        : False
LogicalSectorSize                : 512
Manufacturer                     : Seagate
Model                            : Portable
OtherCannotPoolReasonDescription :
PartNumber                       :
PhysicalLocation                 :
PhysicalSectorSize               : 512
SerialNumber                     : 2GHY5YD1
Size                             : 999385202688
SlotNumber                       :
SoftwareVersion                  :
SpindleSpeed                     : 4294967295
PSComputerName                   :
CimClass                         : ROOT/Microsoft/Windows/Storage:MSFT_PhysicalDisk
CimInstanceProperties            : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties              : Microsoft.Management.Infrastructure.CimSystemProperties
Usage                            : Auto-Select
OperationalStatus                : OK
HealthStatus                     : Healthy
BusType                          : USB
CannotPoolReason                 : In a Pool
SupportedUsages                  : {Auto-Select, Manual-Select, Hot Spare, Retired...}
MediaType                        : UnSpecified
ObjectId                         : {1}\\OFFICE-PC\root/Microsoft/Windows/Storage/Providers_v2\SPACES_PhysicalDisk.Objec
                                   tId="{cef39ebe-7fba-11e3-8250-806e6f6e6963}:PD:{795ec931-3b3a-11e2-be6d-00247e572b92
PassThroughClass                 :
PassThroughIds                   :
PassThroughNamespace             :
PassThroughServer                :
UniqueId                         : USBSTOR\Disk&Ven_Seagate&Prod_Expansion&Rev_0215\NA41HDPW&0:office-pc
AllocatedSize                    : 956435529728
CanPool                          : False
Description                      :
DeviceId                         : 1
EnclosureNumber                  :
FirmwareVersion                  : 0215
FriendlyName                     : Seagate Expansion USB Device
IsIndicationEnabled              :
IsPartial                        : False
LogicalSectorSize                : 512
Manufacturer                     : Seagate
Model                            : Expansion
OtherCannotPoolReasonDescription :
PartNumber                       :
PhysicalLocation                 :
PhysicalSectorSize               : 512
SerialNumber                     :             NA41HDPW
Size                             : 999385202688
SlotNumber                       :
SoftwareVersion                  :
SpindleSpeed                     : 4294967295
PSComputerName                   :
CimClass                         : ROOT/Microsoft/Windows/Storage:MSFT_PhysicalDisk
CimInstanceProperties            : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties              : Microsoft.Management.Infrastructure.CimSystemProperties
Usage                            : Auto-Select
OperationalStatus                : OK
HealthStatus                     : Healthy
BusType                          : SATA
CannotPoolReason                 : Insufficient Capacity
SupportedUsages                  : {Auto-Select, Manual-Select, Hot Spare, Retired...}
MediaType                        : UnSpecified
ObjectId                         : {1}\\OFFICE-PC\root/Microsoft/Windows/Storage/Providers_v2\SPACES_PhysicalDisk.Objec
                                   tId="{cef39ebe-7fba-11e3-8250-806e6f6e6963}:PD:{ad47423f-540b-5a97-e386-ceff1f53db31
PassThroughClass                 :
PassThroughIds                   :
PassThroughNamespace             :
PassThroughServer                :
UniqueId                         : SCSI\Disk&Ven_FUJITSU&Prod_MHZ2120BH_G1\4&33c29369&0&000000:office-pc
AllocatedSize                    : 120034123776
CanPool                          : False
Description                      :
DeviceId                         : 0
EnclosureNumber                  :
FirmwareVersion                  : 0084000A
FriendlyName                     : PhysicalDisk0
IsIndicationEnabled              :
IsPartial                        : True
LogicalSectorSize                : 512
Manufacturer                     :
Model                            : FUJITSU MHZ2120BH G1
OtherCannotPoolReasonDescription :
PartNumber                       :
PhysicalLocation                 :
PhysicalSectorSize               : 512
SerialNumber                     :         K60VT9226KWM
Size                             : 120034123776
SlotNumber                       :
SoftwareVersion                  :
SpindleSpeed                     : 4294967295
PSComputerName                   :
CimClass                         : ROOT/Microsoft/Windows/Storage:MSFT_PhysicalDisk
CimInstanceProperties            : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties              : Microsoft.Management.Infrastructure.CimSystemProperties
The two 1TB disks are the ones in the Pool.
Usage                             : Other
OperationalStatus                 : OK
HealthStatus                      : Healthy
ProvisioningTypeDefault           : Fixed
SupportedProvisioningTypes        : {Thin, Fixed}
ReadOnlyReason                    : None
RepairPolicy                      : Sequential
RetireMissingPhysicalDisks        : Auto
WriteCacheSizeDefault             : Auto
FileSystem                        : Unknown
Version                           : Windows Server 2012
ObjectId                          : {1}\\OFFICE-PC\root/Microsoft/Windows/Storage/Providers_v2\SPACES_StoragePool.Objec
                                    tId="{cef39ebe-7fba-11e3-8250-806e6f6e6963}:SP:{47405101-f1b2-11e1-be68-00247e572b9
                                    2}"
PassThroughClass                  :
PassThroughIds                    :
PassThroughNamespace              :
PassThroughServer                 :
UniqueId                          : {47405101-f1b2-11e1-be68-00247e572b92}
AllocatedSize                     : 1912871059456
ClearOnDeallocate                 : False
EnclosureAwareDefault             : False
FriendlyName                      : StoragePool
IsClustered                       : False
IsPowerProtected                  : False
IsPrimordial                      : False
IsReadOnly                        : False
LogicalSectorSize                 : 4096
Name                              :
OtherOperationalStatusDescription :
OtherUsageDescription             :
PhysicalSectorSize                : 4096
ResiliencySettingNameDefault      : Mirror
Size                              : 1998770405376
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        : {Thin, Fixed}
ReadOnlyReason                    : None
RepairPolicy                      : Parallel
RetireMissingPhysicalDisks        : Auto
WriteCacheSizeDefault             : Auto
FileSystem                        : Unknown
Version                           : Windows Server 2012 R2
ObjectId                          : {1}\\OFFICE-PC\root/Microsoft/Windows/Storage/Providers_v2\SPACES_StoragePool.Objec
                                    tId="{cef39ebe-7fba-11e3-8250-806e6f6e6963}:SP:{cef39ebf-7fba-11e3-8250-806e6f6e696
                                    3}"
PassThroughClass                  :
PassThroughIds                    :
PassThroughNamespace              :
PassThroughServer                 :
UniqueId                          : {cef39ebf-7fba-11e3-8250-806e6f6e6963}
AllocatedSize                     : 2000137748480
ClearOnDeallocate                 : False
EnclosureAwareDefault             : False
FriendlyName                      : Primordial
IsClustered                       : False
IsPowerProtected                  : False
IsPrimordial                      : True
IsReadOnly                        : False
LogicalSectorSize                 :
Name                              :
OtherOperationalStatusDescription :
OtherUsageDescription             :
PhysicalSectorSize                :
ResiliencySettingNameDefault      : Mirror
Size                              : 2120443895296
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
NameFormat                        :
OperationalStatus                 : Detached
HealthStatus                      : Unhealthy
ProvisioningType                  : Thin
ParityLayout                      : Unknown
Access                            : Read/Write
UniqueIdFormat                    : Vendor Specific
DetachedReason                    : Incomplete
WriteCacheSize                    : 0
ObjectId                          : {1}\\OFFICE-PC\root/Microsoft/Windows/Storage/Providers_v2\SPACES_VirtualDisk.Objec
                                    tId="{cef39ebe-7fba-11e3-8250-806e6f6e6963}:VD:{47405101-f1b2-11e1-be68-00247e572b9
                                    2}{4740510d-f1b2-11e1-be68-00247e572b92}"
PassThroughClass                  :
PassThroughIds                    :
PassThroughNamespace              :
PassThroughServer                 :
UniqueId                          : 0D514047B2F1E111BE6800247E572B92
AllocatedSize                     : 955898658816
FootprintOnPool                   : 1911797317632
FriendlyName                      : Storage space
Interleave                        : 262144
IsDeduplicationEnabled            : False
IsEnclosureAware                  : False
IsManualAttach                    : False
IsSnapshot                        : False
LogicalSectorSize                 : 4096
Name                              :
NumberOfAvailableCopies           :
NumberOfColumns                   : 1
NumberOfDataCopies                : 2
OtherOperationalStatusDescription :
OtherUsageDescription             :
PhysicalDiskRedundancy            : 1
PhysicalSectorSize                : 4096
RequestNoSinglePointOfFailure     : False
ResiliencySettingName             : Mirror
Size                              : 998579896320
UniqueIdFormatDescription         :
PSComputerName                    :
CimClass                          : ROOT/Microsoft/Windows/Storage:MSFT_VirtualDisk
CimInstanceProperties             : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace...}
CimSystemProperties               : Microsoft.Management.Infrastructure.CimSystemProperties

They do not show up in Disk Manager. They're part of a Storage Space, and the Virtual Disk for said storage space is not attached for some reason. Please see the logs per above from the get-virtualdisk command, and see a brief version below
FriendlyName        ResiliencySettingNa OperationalStatus   HealthStatus        IsManualAttach
Size
                    me
Storage space       Mirror              Detached            Unhealthy
False                            930 GB

Storage Spaces: SSD tier size incorrect when using EnclosureAware option in a pool

Hi folks,
We're about to deploy Storage Spaces in our test environment, but we encountered an issue while configuring Enclosure Awareness on Storage Pools.
When we create a Storage Pool (over 3 JBOD's) and set the option EnclosureAwarenessDefault to $True, the SSD tier size automatically decreases / shrinks to 12GB (sometimes 18GB sometimes 0GB).
Without EnclosureAwarenessDefault, we get 1110 GB of SSD size available.
The same behavior is seen when enabling -EnclosureAwareness on Storage Space (virtual disk) level.
A summary of our configuration:
3 SOFS connected twice to each JBOD (LSI 9207-8e - SES 3 ) = HCL certified
3 JBOD arrays (Quanta M4600H) (Firmware Management SCSI Enclosure Service (SES-2) = HCL certified
Each JBOD array has 16 HDD and 4 SSD.
SOFS are fully patched, including KB 2913766
Below 2 screenshots:
EnclosureAwareDefault = $True
https://onedrive.live.com/redir?resid=BB5A32452CA3BD6C%21436
EnclosureAwareDefault = $False
https://onedrive.live.com/redir?resid=BB5A32452CA3BD6C%21437

Hi Partner,
Thank you for your detailed information and sorry for the delayed response.
After consulting with some senior engineers, please check the following:
Server manager does not let you set the column count of the space, which means that it is automatically selecting 6 as the column count, as there are 12 SSDs. Unfortunately, the column count must be less than the number of disks of each type in each
enclosure (limited by 4 SSDs), otherwise space creation will fail, and estimation will produce a small, somewhat random number. If you create a space through powershell and specify –NumberOfColumns 4 then it should work.
Hopefully it helps.
Feel free to let me know if you have any question. Thank your for your time.
Best Regards,
Sophia Sun
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.

[RES] Physical Disk: PnpNotifyCSVRemoval:

Hi Techies,
Can you please tell me what is the all about this error? I'm getting this event in failover clustering, post which my VMs are going into pending state.
[RES] Physical Disk: PnpNotifyCSVRemoval: device
\\?\STORAGE#CSVVolume#{XXXXXXXXXXXXXXXX}#{XXXXXXXXXXXXXXXX}
[RES] Physical Disk: PnpRemoveVolume: volume removal: ignoring cluster pseudo volume\?\STORAGE#CSVVolume#{XXXXXXXXXXXXXXXX}#{XXXXXXXXXXXXXXXX}

Hi Karthikeyan R – FGS,
The “ignoring cluster pseudo volume” usually caused by the storage may have potential issue, did you pass the cluster validation before you create cluster? if it is yes, please
offer us all the node unedited TCP IP configure information, please first refer the following similar issue thread solution to confirm your DSM is same.
Can't Live Migrate VMs. Cluster Verification shows failure on storage. Microsoft DSM versions do not match.
https://social.technet.microsoft.com/Forums/systemcenter/en-US/61d2228c-2391-4817-bf5e-b31336404d4a/cant-live-migrate-vms-cluster-verification-shows-failure-on-storage-microsoft-dsm-versions-do-not?forum=winserverClustering
If you have any backup soft please temporarily disable the backup (On the premise of data safety)
monitor this issue again.
More related third party article:
Windows 2012 Hyper-V VMs enters a paused state or a CSV volume goes offline during back-up
http://scdpm.blogspot.co.uk/2013/01/windows-2012-hyper-v-vms-enters-paused.html
I’m glad to be of help to you!
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Physical disk IO size smaller than fragment block filesystem size ?

Hello,
in one default UFS filesystem we have 8K block size (bsize) and 1K fragmentsize (fsize). At this scenary I thought all "FileSytem IO" will be 8K (or greater) but never smaller than the fragment size (1K). If a UFS fragment/blocksize is allwasy several ADJACENTS sectors on disk (in a disk with sector=512B), all "physical disk IO" it will allways, like "Filesystem IO", greater than 1K.
But with dtrace script from DTrace Toolkit (bitesize.d) I can see IO with 512B size.
¿What is wrong in my assumptions or what is the explanation?
Thank you very much in advance!!

rar wrote:
Like Jim has indicated me in unix.com forum, That cross-post thread happens to be:
http://www.unix.com/unix-advanced-expert-users/215823-physical-disk-io-size-smaller-than-fragment-block-filesystem-size.html
You could have pasted the URL to be polite ...

Storage space virus?

My storage space on my iPhone 5 keeps showing no storage space left, even after I delete stuff the space fills up alone and Im back with not having space left. Could this be a virus? What should I do?

Nourh32 wrote:
My storage space on my iPhone 5 keeps showing no storage space left, even after I delete stuff the space fills up alone and Im back with not having space left. Could this be a virus? What should I do?
Before blindly jumping in and and trying a "shotgun" approach, first do some basic diagnosis. You may not have to restore your phone and wipe out all your data. Connect the phone to iTunes, click on its icon, and see how storage is allocated (on the bottom of the Status screen). The key entries are Other and Photos. If Photos is larger than you think it should be, see: Why does my iOS device say I have more photos than I can find?
You can also check this on the phone by going to Settings/General/About and checking the allocation to photos. If it is not right the same link above will fix it.
If Photos matches what your phone actually has, check Other. Normally it should be 1-2 GB. If it is MUCH larger than that you have data corruption. Start by restoring iOS on your phone and set it up as New. Then Restore your most recent backup. If Other again is very large after restoring the backup then the corruption is enshrined in the backup and you will have to restore again, and set it up as New, without restoring your backup.

Repair Degraded Storage Spaces Virtual Disk - All physical disks show healthy

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