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
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