Storage spaces - capacity penalty

Hello Microsoft,
I've built a test environment to decide whether the dual-parity is useable as a software raid solution.
Test environment:
- I've installed Windows 2012 R2 datacenter for this test and installed all updates on it
- Added 8 more 20GB harddisks
created a new storage pool:
$s = Get-StorageSubSystem -FriendlyName *Spaces*
$d = Get-PhysicalDisk -CanPool $true
New-StoragePool -FriendlyName "Pool1" -StorageSubSystemFriendlyName $s.FriendlyName -PhysicalDisks $d
get-storagepool "Pool1" results:
AllocatedSize= 163208757248
FriendlyName=Pool1
HealthStatus=Healthy
Size=165356240896
RepairPolicy=Parallel
Version=Windows Server 2012 R2
WriteCacheSizeMax=107374182400
SupportedProvisioningTypes={Thin, Fixed}
created a new virtual disk:
New-VirtualDisk -StoragePoolFriendlyName "Pool1" -FriendlyName "Pool1_Vd1" -UsemaximumSize -ProvisioningType Fixed -ResiliencySettingName "Parity" -PhysicalDiskRedundancy 2
I see this when I type get-virtualdisk | fl
(only relevant informations copied here)
FriendlyName=Pool1_Vd1
ResiliencySettingName=Parity
OperationalStatus=OK
HealthStatus=Helathy
IsManualAttach=False
Size=90GB
LogicalSectorSize=4096
NumberOfColumns=8
NumberOfDataCopies=1
ParityLayout=Rotated Parity
PhysicalDiskRedundancy=2
PhysicalSectorSize=4096
ProvisionongType=Fixed
Why do I loose ~44% of disk space for dual-parity ?
For an equivalent RAID6 configuration this would be 25% only !
~20% difference is too huge to use this solution!
Please explain !
Is this a feature or a bug ?
If this is a bug, then when will MS correct it ?

Hello Shaon Shan,
Thank you for your reply, I've already found that explanation. Although I do not agree with that in this concept from two aspects:
1. if MS's single parity is the same as RAID5 then the dual-parity should have different naming, because in this form this is very missleading....
2. I have just run over the following articles to try understand the background about this decision and explanation:
h**p://en.wikipedia.org/wiki/Erasure_code
h**p://searchstorage.techtarget.com/podcast/Erasure-coding-definition-RAID-5-RAID-6-are-most-common-forms
h**p://www.computerweekly.com/feature/Erasure-coding-versus-RAID-as-a-data-protection-method
If I understand well then this answer is not acceptable from MS, because the articles mention that the RAID5/RAID6 algorythms are already "erausre codings". If I understand well, then even with this solution if we use two columns
as parity then the resiliency is two columns = disks for storage systems. But in this case the additional data capacity is still n+2, not n+3.
Regards,
Attila

Similar Messages

Adding Capacity to Parity Storage Space

I'm having a problem understanding how the parity storage space capacity works. I have 5 drives in a parity storage space with a total capacity of 13.1 TB. I want to be able to use the maximum amount of storage where I can lose any of the 5 drives
and not lose any data. I recently added a 3 TB drive and I'm not sure how to figure out that maximum usable space. Below is the information I'm given when I go in to change the storage space settings.
Total Pool Capacity: 13.1 TB
Available Pool Capacity: 6.58 TB
Storage Space Size (maximum): 7.74 TB
Including Resiliency: 11.6 TB
I think this means that it takes 11.6 TB for my 7.74 TB storage space to be resilient enough to lose any single drive. Does that mean I should increase the "Storage Space Size (maximum)" until the "Including Resiliency" value shows
13.1 TB? I've done this and that value would be 8.8 TB. Or do I increase the "Storage Space Size (maximum)" value to 13.1 TB? This seems like a bad idea because I don't see how I would have the capability of losing a drive without
losing data.
Thanks in advance.

Hello Dinglestains,
What is your current situation?
As you want to have the capability of losing a drive without losing data, I think we need to use the RAID to accomplish this requirement.
http://technet.microsoft.com/en-us/library/ms184252(v=sql.105).aspx
When cost is an issue and redundancy and high performance are required, RAID-5 volumes are a good solution.
If we need to create RAID, we will need the motherboard support or the RAID controller.
Please contact the manufacturer to check.
Best regards,
Fangzhou CHEN
Fangzhou CHEN
TechNet Community Support

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

IPod 5th gen with limited storage space due to unknown space used? I don't have anything else loaded, how do I find out what this is?

I have a 5th gen 32gb iPod that I use only for music. Usually I update it via wi fi but it recently updated to the new IOS 8. Now it is saying there is limited space capacity for the music because there is 18.85 gb of used space. I don't have any apps or features on the iPod and all the options such as Siri or App store are turned off. I simply carry it in my car for travel music and use my iPhone for all other business that would need apps/etc.
I reset back to the factory settings and did not link back to the iCloud so it did not "reset" the old copy if it was corrupt. My iPhone has a ton of music plus apps, contacts, etc and does not show this same type of memory usage. Any idea what could be using so much and how to get rid of it??

OTHER
Connect the iPod to your computer and look at the storage used by the various categories as shown in the colored bargarph in iTunes.
Come back with the results.
An "other" larger than about 1 1/2 GB indicates corrupted files.
What is the Other on my iPhone and How to Remove It
What is "Other" and What Can I Do About It?
Next, usually restoring from backup eliminated the corrupted files. However, sometimes restoring to factory settings/new iPod is required.
To restore from backup see:
iOS: How to back up
To restore to factory settings/new iPod see:
iTunes: Restoring iOS software

When I look at my Ipod on Itunes on my laptop it is showing that I have a large amount of storage space taken up with Apps. (more than my music). In fact I only have the Apps which came with the ipod touch! How do I get my storage back?

I have an ipod touch 64GB. I have 3,146 songs, 3 videos, 106 photos and 1 app. The capacity of my ipod is 58 GB (I guess the remainder is the OS), It says I have 7.6GB remaining. When I look at my ipod on Itunes on my laptop the bar at the bottom shows a huge amount of storage space is taken up by Apps. I don't have any apps apart from the ones which came with the ipod touch which I cannot erase and wouldnt really want to. I am baffled why it says so much storage has been taken up by Apps! Please help me!!!

Connect the iPod to your computer and look at the storage used by the various categories as shown in the colored bargarph in iTunes.
Come back with the results.
An "other" larger than about 1 1/2 GB usually indicates that the "other" includes corrupted files. Usually restoring from backup eliminated the corrupted files. However, sometimes restoring to factory settings/new iPod is required.
To restore from backup see:
iOS: How to back up
To restore to factory settings/new iPod see:
iTunes: Restoring iOS software

How is it possible to cancel (not suspend) a video download from iTunes Store (iPad under iOs 6)? (I do not have sufficient storage space on my iPad)

Hi,
I am facing the following difficulty with my iPad (model MD369NF/A) under iOs 6.1.3.
I have bought 2 videos on iTunes Store, but I do not succeed in downloading them: an error message mentions that iPas does not have enough storage capacity.
As a matter of face, when I look at the way the storage is used, I find “Others” for around 10 Go (is there some king of reserved space for the downloading of videos from iTunes Store?), and only a very small number of Mo available.
I would simply like to cancel the downloading of the 2 videos, and hope that it would free the "Others" storage space (in the hypothesis that "Others" is space reserved for videos once downloaded), but I do not manage to do it. I can suspend the downloading, but I do not see how to cancel it.
Would you have a solution to propose ?
Thanks in advance for your help,
Nicolas

Hey Nicolas36,
Thanks for the question, and welcome to Apple Support Communities.
The following article outlines issues with free space, capacity, and a large amount of "other" space. You'll want to connect your iPad to your computer with iTunes to follow the steps:
iOS: 'Not enough free space' alert when trying to sync
http://support.apple.com/kb/TS1503
One symptom of this issue will be displayed in iTunes where the Capacity indicator for the iOS device will report a large amount of "Other" disk usage for the device. To resolve this issue:
- Turn off the music or photo sync option in iTunes for the device.
- Click Apply to sync the changes to the device.
- Turn the music and photo sync options for the device on again.
- Click Apply again to try to sync the device to iTunes.
Thanks,
Matt M.

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

Files in Storage Spaces taking WAY too much space

If you look at the following two Images:
You'll notice that while I have only 629 GB of files on the Storage Space, it is taking up an astounding 2.45 TB in my Storage Space. With the two-way mirror I have set up it should only be about 1.26 TB. I'm not sure can someone explain as to why my files
are taking up 4X the amount of space they should?
Thanks,
Andrew

Hi,
I made a test in our test enviroment, it seems like the phenomenon you encountered is system design by default.
Generally speaking, when you create a new storage pool, and put some file into it. The value of Using *** pool capacity should 3X bigger than the practical capacity. While if you set the Storage Pool too big, it would produce error. The greater the
number, the greater the error.
Roger Lu
TechNet Community Support

ICloud photo library and iPhone/iPad storage space

Hi,
I use iCloud photo library beta for some time and it's a great feature for apple product. However, I'm a bit worried about what happend after some time. Now I have 20Gb of storage in iCLoud and 16Gb iPhone 6 and iPad air 2. On both of them is the "optimize iPhone/iPad storage" checked. What will happen after I would put 20Gb of photos to the iCloud and the iPhone and iPad wouldn't have enough storage to handle them (even when the photos are optimize)?
Thanks for any response or a link where it is discussed,
Jakub

Hi jakudo,
"optimize iPad/iPhone storage" means that photos don't have to take any storage capacity of your devices, if you are using your devices storage capacity e.g. for other content like music, apps etc. Your photos will be stored in the cloud and only a some of them are stored locally as long as you have storage space available. The only thing you have to do, is upgrading for more storage as soon as your passing the 20 GB.
With kind regards,
David

IPod storage space

I have a 30 GB Video iPod. When I connect it to my computer the capacity summary says I have 26.04 GB used for Audio, 484.9 MB used for Video, 140.5 MB used for Other, and 1.17 GB free out of my 27.82 GB capacity.
The problem however, is that according to this website this iPod should hold 7,500 songs and 1,000 video files. My iPod however is almost full and only has 1,818 songs and 1 TV show episode. Why is my iPod almost full?
I've read that playlist do not take up any storage space. I have about 60 playlists. Does this affect the storage capacity?
Message was edited by: tigerlily7o7

Bear in mind that Apple quotes the number of songs you are able to store on any iPod by using the AAC format at a bitrate setting of 128kbps and for a 4 minute song. Any variation on these settings/timings will vary the amount of songs you are able to store on your iPod.
You need to look in iTunes under edit/preferences/advanced/importing. What does it say in settings and import using? You may have the import settings and bitrate set wrong. You need to compress your music using either mp3 or aac. If you see AIFF, WAV or Apple Lossless then those formats are going to take way more space than mp3 or aac, especially the first 2 which are raw uncompressed formats.
 See this.
How much content will fit on my iPod?

Increase of storage space in the IPOD Nano MA002LL/A

I wish to know whether it is possible to increase the storage space in the above model of IPOD Nano MA002LL/A
coz there are two models 30 Gigs and 60 Gigs i wish to know whether it is possible to convert the 30 Gig model into a higher capacity model after purchase.
MA002LL/A Windows XP Pro

It appears that you're considering purchasing a 30gb
5th generation iPod. In your original post, you
called it an iPod nano - the nano is a different
iPod. Also, you have posted this topic in the "iPod
with color display' forum, which is actually designed
for the fourth generation color iPods. That's why I
was confused.
The iPod does not have a USB port. You can use an
external USB drive to back up your music throught
your computer, using iTunes though. Is this what
you're asking?
Sorry about the confusion. I am new to this tech. Well if this model of IPod does not have an USB port how does it communicate with the computer. does it have any kinda IR or bluetooth

Is the music I play from iTunes Match taking up storage space on my iPad?

I'm a bit confused. I have about 9000 songs in my laptop iTunes. I signed up for iTunes Match. As I play songs from those 9000 is it bringing them into my iPad and using storage there, or do they stay in my iCloud storage area and simply play from there? I signed up for it with understanding/hope that I could have all my music without using up space on my devices (iPad and iPhone). Am I correct that my device storage is NOT being used?

You're welcome.
the bbq king wrote:
Thanks for the answer Michael. So how will I know when I'm getting dangerously close to using up all of my storage/data capacity?
If you've got your iDevice set up to sync via Wi Fi you can just look at the summary page for the device in iTunes to see how much capatcity is being used. But it shouldn't be a problem because the Music app will delete older downloaded tracks to make room for newer tracks as you download them. You can also delete music by track by swiping and tapping the delete button; or by Album or Artist by tap-n-hold and tapping the "x."
the bbq king wrote:
If I delete songs from my device to free up space will that delete it from my computer or iCloud list?
No. Only from your iDevice. And even when you do delete a track from your iDevice you'll still be able to see it as being in the cloud so you can download it again.
the bbq king wrote:
n my opinion Apple makes iCloud and iTunes Match sound like they are streaming technologies. Or let's at least say they aren't very forthcoming that all songs played are downloaded to your device. Maybe if you have any persuassion with Apple you could suggest they tweak their marketing message.
I don't have any "persuassion" with Apple but I do agree that the marketing language is, shall we say, fuzzy. It definitely should be modified.

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 space decreasing

THe storage space is decreasing . the Usage details are as follows
1.Songs 12Nos.
2.Videos 8 nos. all 1 to 2 minutes duration only
3.Photoes 37nos.
4.Applications 24 nos.
5.Capacity 26.3G.B
7.Available storage 12.6 G.B.
WHat measures I have to takeaway?

Hello Vepery,
After reviewing your post, I have located an article that can help with storage issues. It contains a number of troubleshooting steps and helpful advice for the issue you are experiencing:
How to delete content you've downloaded from the iTunes Store, App Store, iBooks Store, or Mac App Store - Apple Support
You may also want to review this article about storage:
How OS X and iOS report storage capacity - Apple Support
Thank you for contributing to Apple Support Communities.
Cheers,
BobbyD

No PXA storage space available at the moment.

Dear All,
When I am doing delivery or Reverse the delivery (T.Codes VL09, VL01N), in Client 800, it is going to ABAP dump. Please see below. Please help me in this.
Runtime Errors                    PXA_NO_FREE_SPACE
Date and Time                    22.11.2011     19:44:13
Short dump has not been completely stored (too big)
     Short text
          No PXA storage space available at the moment.
     What happened?
          The current ABAP/4 program had to be terminated because there
          was no space available to load it.
          Each ABAP/4 program to be executed is stored in a central
          storage area that is divided between all users.
          This area was too small to hold all currently active programs for all
          users.
          Resource bottleneck
          The current program "SAPLMCB1" had to be terminated because
          a capacity limit has been reached.
     Error analysis
          Unable to load a program of 1169408 bytes.
          The PXA ('program execution area') was too small to hold all
          currently active programs for all users.
          At present, the size of the PXA is set at 144868 Kbytes.
          The largest contiguous and unlocked memory chunk has 592896 bytes.
     Trigger Location of Runtime Error
          Program                    SAPLMCB1
          Include                    LMCB1F20
          Row                    200
          Module type                    (FORM)
          Module Name                    LIS_VERBUCHUNG
     Source Code Extract
     Line          SourceCde
     170                    xmcbest = xmcbest.
     171              ENDIF.
     172              IF flg_v2 NE space.
     173          * V2-Verbuchung starten
     174                CALL FUNCTION 'MCB_STATISTICS_UPD_V2' IN UPDATE TASK
     175                  EXPORTING
     176                    zeitp   = con_zeitp
     177                  TABLES
     178                    xmcmseg = xmcmseg
     179                    xmcbest = xmcbest.
     180
     181              ENDIF.
     182              IF flg_b NE space.
     183          * V3-Verbuchung starten
     184                CALL FUNCTION 'MCB_STATISTICS_UPD_V3' IN UPDATE TASK
     185                  EXPORTING
     186                    zeitp   = con_zeitp
     187                  TABLES
     188                    xmcmseg = xmcmseg
     189                    xmcbest = xmcbest.
     190
     191              ENDIF.
     192              IF flg_bw NE space.
     193                SET EXTENDED CHECK OFF.
     194          *     Preparation for new update process (plug-in system).
     195          *     See note 486784.
     196                DATA if_release TYPE i.                         "interface release
     197                if_release = 1.
     198                PERFORM mcex_if_release_03 IN PROGRAM saplmcex CHANGING if_release
     199                   IF FOUND.
     >>>>>                IF if_release >= 2.
     201                  CALL FUNCTION 'MCEX_UPDATE_CALL_03'
     202                    EXPORTING
     203                      zeitp         = con_zeitp
     204                      contr         = hlp_control
     205                      i_update_task = 'X'
     206                    TABLES
     207                      xmcbest       = xmcbest
     208                      xmcmseg       = xmcmseg.
     209                ELSE.
     210                  CALL FUNCTION 'MCEX_UPDATE_03' IN UPDATE TASK
     211                    EXPORTING
     212                      zeitp   = con_zeitp
     213                      contr   = hlp_control
     214                    TABLES
     215                      xmcbest = xmcbest
     216                      xmcmseg = xmcmseg.
     217                ENDIF.
     218                SET EXTENDED CHECK ON.
     219              ENDIF.
Regards,
Rao.

Hi,
For error
Runtime Errors PXA_NO_FREE_SPACE
For this look for increasing the SAP profile parameter value abap/buffersize
Hope this helps.
Regards,
Deepak Kori

Storage spaces - capacity penalty

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