[dm-devel] [multipath] SCSI device capacity mess
Lars Marowsky-Bree
lmb at suse.de
Thu Oct 28 11:37:28 UTC 2004
On 2004-10-27T17:57:21, James Bottomley <James.Bottomley at SteelEye.com> wrote:
> It's not occasional, it happens every time a single machine in the
> cluster reboots and the HSG80 can take a while to transfer luns.
> Configure one with several hundred luns in a 32 node cluster and you'll
> see why this flag exists...
While we are at that, ghost (or non-active) paths lead to _tons_ of
errors while the kernel stubbornly tries to read the partition table,
totally flooding any useful information out of the kernel buffers.
Can't we do a test-unit-ready before trying to read and then just not
read the partition table w/o so much noise?
Sincerely,
Lars Marowsky-Brée <lmb at suse.de>
--
High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX AG - A Novell company
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