how to monitor SAN connectivity with Redhat cluster suite
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We have a cluster setup with Redhat Cluster Suite on RHEL5 OS.
SAN is one of the resource configured in the cluster.
We observed that if the SAN connectivity is lost on a given node then resources are not getting failovered to second node. How to resolve this problem?
I have some working experience with LinuxHA where we can explicitly configure a monitoring logic for any resource.
Is it possible to do such resource monitoring in RHCS?
We have a cluster setup with Redhat Cluster Suite on RHEL5 OS.
SAN is one of the resource configured in the cluster.
We observed that if the SAN connectivity is lost on a given node then resources are not getting failovered to second node. How to resolve this problem?
I have some working experience with LinuxHA where we can explicitly configure a monitoring logic for any resource.
Is it possible to do such resource monitoring in RHCS?
Regards,
Prasad.
Depends...are you running multipathing? What kind of SAN? Fiber cards? Different environments = different options. If you want to lowball it, write a script to poll a file on the mounted SAN volume every so often. If it can't open it, fail over to your other node.
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