2008/4/25 gnia gnia <[EMAIL PROTECTED]>: > sorry my first message was a bit vague. > We have 2 HP EVA arrays : one being the backup device of the other in case > a crash occurs. > So we make each node of the cluster (active/passive , multipath + clvmd + > cmirror) connected to both EVAs. > We create one disk on each EVAs with same characteristics, plus one disk > on one of the 2 EVAs as a log mirror disk. > Then we 'lvcreate -m1 disk1 disk2 disk3' and put our file system resource > on this lv. > That is where our test (shutdown of an EVA) totally fails. > Unfortunately ha-lvm won't be usable because we intend to use GFS soon. > What we need is a solution that ensures clusterized services to carry on > working even if on EVA burns...
AFAIK there is no open source software to make this happen. I've read about cmirror which could replicate data between two sans in a clustered environment but it was not production-proof last time I heard of it... We have a similar situation, two different sans one being a backup, and we use the san providers (EMC) proprietary replication software. Regards Mikko
-- Linux-cluster mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-cluster
