[Bug 310928] Re: dmraid-activate is broken for isw arrays (dmraid rc15)

[John Ryan]

Well after a fair bit of mucking around, it looks like I have completely
lost my array.  The BIOS now reports the array status as "Failed", while
/dev/sda is listed as a "Non-RAID Disk" and /dev/sdb is a "Member
Disk(0)".  However, I cannot seem to be able to add /dev/sda back into
the array either in the BIOS or with "dmraid -R isw_bbiechciij_Array
/dev/sda".  Nor does adding /dev/sda as a hot spare work as it gets
added to a new array instead of "isw_bbiechciij_Array" (it will not
accept "isw_bbiechciij_Array" as a legal array name to add it to because
it is greater than 15 chars long).

The problem all seemed to stem from the fact that when I first re-added
a disk to the array last night (prior to the successful rebuild), the
name of the array was changed by the BIOS.  After a reboot (or in my
case, powering off for a day), I then had two different array names and
neither could be started.  I had to use "dmraid -x isw_daifjieafd_Array"
(from either a live CD or the busybox prompt) to delete the new array,
then go into the BIOS and re-add the disk again.  Unfortunately, this
resulted in a new name for the array being generated and so on and so
forth.  This went on until I deleted the array on /dev/sda instead of
the one on /dev/sdb and as a result ended up stuck with the "Failed"
array.

-- 
dmraid-activate is broken for isw arrays (dmraid rc15)
https://bugs.launchpad.net/bugs/310928
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