From: Holger.VanKoll@SWISSCOM.COM
Date: Thu Jun 20 2002 - 04:58:50 EDT
ssa_rescheck -l hdisk#
tells you which node uses the disk
the pbl in manual takeover will probably to unlock the scsi_reserve on the drive
I dont know if/how this can be done without hacmp
> -----Original Message-----
> From: Jolet, John [mailto:John.Jolet@MISYSHEALTHCARE.COM]
> Sent: Mittwoch, 19. Juni 2002 19:35
> To: aix-l@Princeton.EDU
> Subject: Re: Shared SSA Drives
>
>
> we had ours in such a configuration, using hacmp. The
> previous sysadmins
> had lots of trouble with hacmp, so they turned it off
> (mostly), but it was
> pain from the hdisk side because you couldn't really tell
> that the drive had
> been "fence off" until you went to do something with it...and
> if you reboot
> one machine in the loop, they ALL start puking errors because
> the loop is
> open.
>
> -----Original Message-----
> From: Andrew Garnett [mailto:andrewwdg@YAHOO.CO.UK]
> Sent: Wednesday, June 19, 2002 11:05 AM
> To: aix-l@Princeton.EDU
> Subject: Shared SSA Drives
>
>
> Hi All,
> We have just (for the first time) reconfigured our SSA
> drawers so that 4 systems are in a loop with all their
> SSA drawers. We intend to develop a manual failover
> process to exploit this.
>
> Of course, this means that each system now has a large
> number of "hdisks" and pdisks belonging to the others.
>
> Now, I can document these, or a process to identify
> them, but is there a recommended approach to making
> them identifiable on all systems ?
> Should I be renaming the "hdiskn" to "node1_hdisknn" ?
> What do you use ?
> And come to mention it, is there a recognised document
> for this kind of failover ?
> Thanks in advance,
> Andy
>
>
>
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