On Mon, Jun 2, 2008 at 10:38 AM, Robert Heinzmann (ml) <[EMAIL PROTECTED]> wrote: > Hi, > > besides STONITH another (as I would say additional) approach in shared scsi > clusters is to use scsi reservations (2 or 3) to reserve a disk for a host > and avoid data integrity problems. > > A situation were SCSI reservations are useful is the automatic mounting of a > cluster protected fs. If the administrator left the mount entry in > /etc/fstab for a cluster protected FS and additionally the application > accessing the FS is still enabled in sysv init, the fs is mounted and the > app is startet during system boot. This is true also if STONITH was > susccessful (not reset not power down). To avoid this SCSI reservations can > be used (of course a cluster _SHOULD_ be configured correctly and tested > extensivly, however things happen - think of it as an airbag). > > Is there a SCSI2 or SCSI PR reservation OCF agent out there ? Has anyone > configured something like this in HB2 ? > > Regards, > Robert
There is the FC equivalent that controls visibility via the FC-fabric. Would that work for you? If not, you might consider it as a starting point. Greg -- Greg Freemyer Litigation Triage Solutions Specialist http://www.linkedin.com/in/gregfreemyer First 99 Days Litigation White Paper - http://www.norcrossgroup.com/forms/whitepapers/99%20Days%20whitepaper.pdf The Norcross Group The Intersection of Evidence & Technology http://www.norcrossgroup.com _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
