On 04/05/2012 02:38 PM, Jonathan Vomacka wrote:
> CentOS Community,
>
> What commands can I use to check the disk health of the system when LVM2
> is being used on top of a RAID 10 using a HARDWARE 3ware raid card. The
> OS sees a hardware raid usually as one big drive. Is there a way to
> check the disks individually to see if any are failing, or throwing hard
> or scsi transport errors?
You need to get the tw_cli tool from the 3ware page. With this you can
check the health of the raid and its disks:
# tw_cli /c0 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-10 OK - - 256K 1862.62 ON OFF
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 OK u0 931.51 GB 1953525168 WD-WMATV4882192
p1 OK u0 931.51 GB 1953525168 WD-WMATV4911813
p2 OK u0 931.51 GB 1953525168 WD-WMATV4884633
p3 OK u0 931.51 GB 1953525168 WD-WMATV4881597
p4 NOT-PRESENT - - - -
p5 NOT-PRESENT - - - -
p6 NOT-PRESENT - - - -
p7 NOT-PRESENT - - - -
Regards,
Dennis
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