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[linux-lvm] LVM High Availability



Michael J Kellen writes:
 > From: Mats Wichmann <mats laplaza org>
 > 
 > > Does anybody have any experience to contribute about what other
 > > LVM systems do in these situations?  They don't have the dynamic
 > > scan/assignment stuff in Solaris or AIX, right?  (Showing my
 > > ignorance here).
 > 
 > The logical volume manager in Tru64 (aka Digital Unix, aka OSF/1)
 > from the Q (compaQ) handles high availability by packaging the
 > volumes in disk groups.  A given disk group may only be imported
 > into one of the machines on the shared bus.  Since this is basically
 > a relicensed Veritas (I think), I expect similar strategies in other
 > environments.

Veritas fails miserable if you are using FCAL, since SCSI reserve is
not working on our FCAL. It messed up a 20GB mail spool partion. it's
not problem using veritas importing a disk group on 2 machines if you
are _not_ using SCSI.


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