gnia gnia napisał(a): > 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. Because You have only one copy of LV log [1]. You cean check it by "lvs -a -o +devices" > > 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? Do You think about automatic failover of SAN? If Yes, I think that there is no open source solution an the moment what is capable to do this. [1] - http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/en-US/RHEL510/Cluster_Logical_Volume_Manager/mirrored_volumes.html Best Regards Maciej Bogucki -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
