[Linux-cluster] redhat cluster in multi SAN

gnia gnia gniagnia at gmail.com
Fri Apr 25 12:41:08 UTC 2008


Hi all,

Situation :  2 nodes cluster (active/active) under RedHat 4.
Each clusterized service has a multipathed/mirrored LV (one PV on each
storage bay -> HP EVA 8000) declared as an FS resource.
(We decided to implement a multi-SAN environment to prevent from one SAN
failure)
But all clusterized mirrored LVs get frozen and become unusable when we
simulate one SAN outage.

According to you experts, what is the best way to implement a storage
redundant redhat cluster that wouldn't fail in case of one SAN outage ?
Is lvm mirroring a godd choice?

Cheers,
Chris
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