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
with a filesystem 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?
Sorry if I missed something obvious.
Thanks,
Mike
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