Expanding Raid 6 on Dell H740P
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I've added some more disks (going from 5 to 7) and I am trying to figure out of I can expand the array without a reboot, using iDrac. It doesn't look like I can, it looks like I have to reboot and go into the setup to expand the VD. But before I do that, does anyone know if it can be done via iDrac while online? Or does anyone have any easy to understand documentation for adding OMSA?
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@donahue said in Expanding Raid 6 on Dell H740P:
I've added some more disks (going from 5 to 7) and I am trying to figure out of I can expand the array without a reboot, using iDrac. It doesn't look like I can, it looks like I have to reboot and go into the setup to expand the VD. But before I do that, does anyone know if it can be done via iDrac while online? Or does anyone have any easy to understand documentation for adding OMSA?
Wow - definitely not something I would want to ever do - expanding a RAID 6 array, the stress could easily cause a single disk failure if not a multi-disk failure.
As for do I know if it can be done? nope, no clue - that said, past IBM server's I've worked on have allowed this kind of expansion on RAID 5 (yeah, that was ancient history ago) while live.
Good luck.
Hope your backup is rock solid! -
@donahue You should do it from the BIOS Option
https://www.dell.com/support/manuals/en-us/poweredge-rc-h840/perc10_ug_pub/performing-expand-virtual-disk-operation?guid=guid-fdc1a4c6-9d45-4418-a4c1-b74daa395381&lang=en-usHowever backup and then do it or if you can recreate the RAID array again.
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@dbeato yeah, I should probably do that. I should be able to move everything over to my backup host and do it that way.
