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multiple machines mounting same partition via SAN

To: linux-xfs@xxxxxxxxxxx
Subject: multiple machines mounting same partition via SAN
From: David Sparks <daves@xxxxxxxxxxxxxxx>
Date: Fri, 28 Jan 2005 11:52:04 -0800
Reply-to: daves@xxxxxxxxxxxxxxx
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I'm testing a new SAN here ... I connected 2 machines and both mounted the same partition in R/W mode. I was expecting something like this to happen:

xfs_force_shutdown(sdb1,0x1) called from line 353 of file fs/xfs/xfs_rw.c. Return address = 0xffffffff80202e0b
Filesystem "sdb1": I/O Error Detected.  Shutting down filesystem: sdb1
Please umount the filesystem, and rectify the problem(s)
xfs_force_shutdown(sdb1,0x1) called from line 353 of file fs/xfs/xfs_rw.c. Return address = 0xffffffff80202e0b

Ok, good.

What I'm actually interested in is having one machine mount the partition in RW and another in RO mode. Is this a sane configuration?

Thanks,

ds


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