Tim Hempstead wrote: > Now sdg is part of a 6 disk RAID5 array (md0) using Linux software > raid. I am assuming that the process to replace the disk is something > like this: > > 1). Make sure I have an up to date backup of everything important off > the server
That would be nice, but with one or two terabytes of storage, maybe not practical? > 2). Fail the disk in the Raid array by using a mdadm command? (as its > not showing in there as having issues yet so I'll need to force it) Yep - something like this "mdadm --manage /dev/md0 --fail /dev/sdg" After that, your array will be running degraded. Check with "cat /proc/mdstat". > 3). Remove disk from array using mdadm command? Yes. > 4). Establish which physical disk is sdg (I have it down to 2 already > i think) That seems pretty essential, yes. But you've only got 6 disks, so it can't be difficult. Take a look at /dev/disk/by-path. > 5). Shutdown server Yes. > 6). Replace disk with another of the same size (fortunately i have a > spare). Yes. > 7). start up server Yes. > 8). Add disk to array (as new spare?) Just add it - "mdadm --manage /dev/md0 --add /dev/sdN" > 9). re-sync the array onto the new disk That will already have started after step 8. Step10: Pray that you don't have a second drive fail during the resync. /Per Jessen, Zürich -- http://www.spamchek.com/ - your spam is our business. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
