Hi. I have two RAID5 arrays on an opensuse 10.3 system. They are used
together in a large LVM volume that contains a lot of data I'd rather not have
to try and backup/recreate.
md1 comes up fine and is detected by the OS on boot and assembled
automatically. md0 however, doesn't, and needs to be brought up manually,
followed by a manual start of lvm. This is a real pain of course. The issue I
think is that md0 was created through EVMS, which I have stopped using some
time ago since it's support seems to have been deprecated. EVMS created the
array fine, but using partitions that were not 0xFD (Linux RAID), but rather
0x83 (linux native). Since stopping the use of EVMS on boot, the array has not
come up automatically.
I have tried failing one of the array members, recreating the partition as
linux RAID though the yast partition manager, and then trying to add it, but I
get a "mdadm: Cannot open /dev/sdb1: Device or resource busy" error. If the
partition is type 0x83 (linux native) and formatted first, then re-adding it is
no problem at all, and the array rebuilds fine.
In googling the topic I can't seem to find out why I get the error message, and
how to fix this. I'd really like to get this problem resolved. Does anyone
out there know how to fix this, so I can get partitions correctly flagged as
Linux RAID and the array autodetected at start?
Thanks,
Mike
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