Yes because of the licensing issue we are now limited to a single San but not in the future.
Thanks guys for the replies Paras On Thursday, July 7, 2011, Jankowski, Chris <[email protected]> wrote: > Paras, With your SAN on one site, what is the point of having a stretched > cluster?If your datacenter, where the SAN is located, burns down, you’ve lost > all your data.The DR servers in the DR datacenter are kind of useless without > the data on shared storage. Regards, Chris From: > [email protected] [mailto:[email protected]] On > Behalf Of Paras pradhan > Sent: Thursday, 7 July 2011 03:17 > To: linux clustering > Subject: Re: [Linux-cluster] DR node in a cluster Chris, All the nodes are > connected to a single SAN at this moment through fibre. @steven: -- If you > don't have enough nodes at a site to allow quorum to be > established, then when communication fails between sites you must fence > those nodes or risk data corruption when communication is > re-established, > ----- Yes true, but in this case a single node can made the cluster quorate. > (qdisk vote=3 ,node votes=3, total=6) which is not recommened I guess (?). > SteveOn Wed, Jul 6, 2011 at 11:46 AM, Jankowski, Chris > <[email protected]> wrote:Paras, A curiosity question: How do you make > sure that your storage will survive failure of *either* of your site without > loss of data and continuity of service?What storage configuration are you > using? Thanks and regards, > Chris From: [email protected] > [mailto:[email protected]] On Behalf Of Paras pradhan > Sent: Thursday, 7 July 2011 02:15 > To: linux clustering > Subject: [Linux-cluster] DR node in a cluster Hi, My GFS2 linux cluster has > three nodes. Two at the data center and one at the DR site. If the nodes at > DR site break/turnoff, all the services move to DR node. But if the 2 nodes > at the data center lost communication with the DR node, I am not sure how > does the cluster handles the split brain. So I am looking for some > recommendation in this kind of scenario. I am usig Qdisk votes (=3) in this > case. --Here is the cman_tool stat -- Linux-cluster mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-cluster
