Virtual Disk will not repair after replacing failed disk - solved

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server 2012 r2 storage pool 4tbx4,one 10.9tb parity virtual disk using of space in pool.

one disk failed , removed - status shows "lost communication".

replaced new disk (same size, same model), set auto allocation. new disk physicaldisk11.

set usage of failed disk retired.

cannot repair virtual disk. physical disks test (no errors or bad blocks). no errors in event log.

in gui, goes 0% 100% in couple of seconds still shows degraded. in ps, command

   repair-virtualdisk -friendlyname 'vdisk1'

also fails.

get-storagepool pool1 | get-physicaldisk 

friendlyname     canpool        operationalstatus    healthstatus    usage                    size
---------------     ---------          --------------------  ---------------   -----                      ----
physicaldisk-1    false            lost communication warning          retired                   3.64 tb
physicaldisk11   false            ok                           healthy          auto-select             3.64 tb
physicaldisk4     false            ok                           healthy          auto-select             3.64 tb
physicaldisk5     false            ok                           healthy          auto-select             3.64 tb
physicaldisk6     false            ok                           healthy          auto-select             3.64 tb

get-virtualdisk vdisk1

friendlyname     resiliencysettingname operationalstatus healthstatus  ismanualattach size
---------------     -------------------------- -------------------- ------------    --------------      ----
vdisk1                parity                         degraded            warning         false                10.91 tb


*update* - allocation of physicaldisk11 went 256mb 3.64gb virtual disk still shows degraded. rebuilding/repairing? how can tell?

this problem resolved.

i cleaned new disk using seatools (diskpart couldn't see it). moved same daughterboard other disks in pool connected (it had been connected motherboard sata port).

after restarting server,  the pool now showed 2 disks "lost communication" (the original bad disk, , "old" version of new disk). cleaned version of new disk in primordial pool.

i added new disk pool , allocation correct time (friendlyname of new disk in 7 rather 11). repairing vdisk1 worked also.

friendlyname  allocatedsize          size
------------  -------------          ----
physicaldisk4 3999151423488 3999956729856
physicaldisk5 3999151423488 3999956729856
physicaldisk6 3999151423488 3999956729856
physicaldisk7 3999151423488 3999956729856

two lessons learned:

#1 - don't allocate storage pool virtual disks. leave few gb of free space on each physical disk.

#2 - "allocated size" can different identical disks, depending on controller connected to. (still know why case - anyone?)



Windows Server  >  File Services and Storage



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