Messages in this thread | | | Date | Wed, 16 Feb 2011 09:39:51 +0100 | From | Tejun Heo <> | Subject | Re: [dm-devel] [PATCH][RFC] dm: Do not open log and cow device read-write for read-only mappings |
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On Tue, Feb 15, 2011 at 05:58:45PM +0100, Milan Broz wrote: > # blockdev --setrw /dev/sd[bcde] > # mdadm -A /dev/md0 /dev/sd[bcde] > mdadm: /dev/md0 has been started with 4 drives. > # mdadm --stop /dev/md0 > mdadm: stopped /dev/md0 > # blockdev --setro /dev/sd[bcde] > # mdadm -A /dev/md0 /dev/sd[bcde] > mdadm: cannot re-read metadata from /dev/sdb - aborting > > Works on 2.6.36.
Isn't failing to assemble rw array from ro devices the expected behavior? I think I'd want that to fail. Neil, what do you think?
-- tejun
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