On Mon, Jun 2, 2008 at 2:41 PM, Dejan Muhamedagic <[EMAIL PROTECTED]> wrote: > Hi, > > On Mon, Jun 02, 2008 at 02:00:14PM -0400, Greg Freemyer wrote: >> 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. > > Somebody wanted to port the one from the Redhat's Cluster Suite, > but didn't here from them since then. Is there another one? > > Thanks, > > Dejan
I guess my memory is playing tricks on me. It must have been HBAping I was thinking of. 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
