Forrest Taylor a écrit :
I am doing some RAID scenarios on a single disc (testing purposes) on
RHEL4.  I have some partitions as follows:

/dev/hda5  100M
/dev/hda6  200M
/dev/hda7  200M
/dev/hda8  200M
/dev/hda9  200M

I create a RAID 5 set with /dev/hda{5,6,7,8}.  I fail/remove /dev/hda5
and add /dev/hda9, at which point I can grow the RAID.  Running:

mdadm -G /dev/md0 -z max


Have you copied the data from hda5 to hda9 with dd? If i remember, growing a RAID 5 that way is done by creating the missing stripes at the end of each disks. If the array is already in degraded mode, I am not sure if mdadm is able to recover from that.

Simon
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