On 06/28/2012 09:32 PM, Zama Ques wrote:
Hi All ,
I need to setup HA clustering using redhat cluster suite on two nodes , primary
concern being high availability . Before trying it on production , I am trying
to configure the setup on two desktop machines . For storage , I am creating a
partition and sharing the partition as a iscsi target on a third machine .
Would like to know what are the options for fencing available at the node level
. I tried going through the conga interface for creating a
shared fence device , I could see one option is using GNBD . virtual machine
fencing is there in the list but that is for xen based HA
cluster . scsi fencing is there , but as far as what I understand it does not
support iscsi target as of now. Manual fencing is also there , and I am
planning to use that , but would like to know is there any other options are
available for fencing at node level ?
SCSI fencing will work with iscsi if the iscsi target is SPC-3
compliant. The target must also support the preempt-and-abort SCSI
subcommand. It really depends on what iscsi target you are using. I've
used fence_scsi with iscsi a few times and it has worked, but I know
that some iscsi targets have problems.
Ryan
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