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Old 02-04-2010, 03:31 AM   #1
kgvs_prasad
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how to monitor SAN connectivity with Redhat cluster suite


Hi All,

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.
 
Old 02-04-2010, 10:20 AM   #2
TB0ne
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Quote:
Originally Posted by kgvs_prasad View Post
Hi All,

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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