megacli replace disk

List error count:

megacli -PDList -aAll | egrep "Enclosure Device ID:|Slot Number:|Inquiry Data:|Error Count:|state"

Check disk's serial number,you need smartmontools:

aptitude install smartmontools

Find Device Id (different from Enclosure Device ID !!!):

megacli -PDList -aAll | egrep "Enclosure Device ID:|Slot Number:|Inquiry Data:|Error Count:|state|Device Id:"

Then in find Device Id serial:

smartctl -a -d megaraid,2 /dev/sda

“2” is Device Id, /dev/sda is logical disk.

megacli -pdoffline -physdrv[252:0] -a0

megacli -pdmarkmissing -physdrv[252:0] -a0

megacli -PDRbld -ShowProg -PhysDrv[252:0] -a0

If you need to remove the hotspares use this:

megacli -PDHSP -Rmv -PhysDrv[252:4] -a0

Adapter: 0: Remove Physical Drive at EnclId-252 SlotId-4 as Hot Spare Success.

-PhysDrv[252:4] is obtained via PDlist command. Now this should show “unconfigured”:

...
Firmware state: Unconfigured(good), Spun Up
...

Prepare them for remove:

megacli -PDPrpRmv -PhysDrv [252:5] -a0

Now they should show “spun down” state:

Firmware state: Unconfigured(good), Spun down

Tested on