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тАО02-28-2006 11:10 PM
тАО02-28-2006 11:10 PM
Solved! Go to Solution.
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тАО02-28-2006 11:15 PM
тАО02-28-2006 11:15 PM
Re: Cluster Quorum Disk
If this is a two-node cluster with a proper setup of VOTES and a fully shared-disk subsystem, you can safely shutdown one node and the other will continue.
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тАО02-28-2006 11:20 PM
тАО02-28-2006 11:20 PM
Re: Cluster Quorum Disk
can both nodes access the same disks at the same time? what about data corruption?
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тАО02-28-2006 11:24 PM
тАО02-28-2006 11:24 PM
SolutionIf not all nodes have direct access to the disks (this is called serving them from one node to other nodes), then, if you shutdown the serving node, the disk will go into a state called mount-verification on the other nodes. All IO is halted until the serving node is rejoining the cluster. Then everything will continue.
regards Kalle
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тАО02-28-2006 11:30 PM
тАО02-28-2006 11:30 PM
Re: Cluster Quorum Disk
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тАО02-28-2006 11:57 PM
тАО02-28-2006 11:57 PM
Re: Cluster Quorum Disk
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тАО03-01-2006 12:23 AM
тАО03-01-2006 12:23 AM
Re: Cluster Quorum Disk
It SHOULD be on a shared controller, not directly connected to any system, (like a direct connected SCSI disk),
If it is on a SAN or SCSI controller, like an HSZ, or an older HSJ you have no problem.
If you do a show dev/full on the quorom disk, we can know for sure.
I'm assuming your voting scheme is
each node has one vote and the quroum disk has one vote. This assures you can take down either node in the cluster. I assume you are indeed using the quorum disk. To verify this type
$show cluster/continuous
Then, while that is displaying type
add qf_vote
a box will appear and it will say either
YES or NO
If it says YES you are using your quorum disk.
If it doesn't, assuming you have support, log a call with 800-633-3600 and ask for the VMS team so they can walk you through it.
Best of luck
Bob Comarow