u stupids , dont send any mails to me, remove my mail from ur group 2009/3/16 Chaitanya Kulkarni <[email protected]>
> Thanks for your reply Chrissie. > > But is this, i.e. deployment of clusters with same name, a valid scenario? > How often (as in say 1 in a 100) may I see such deployments, if at all? > > Thanks, > Chaitanya > > On Mon, Mar 16, 2009 at 1:28 PM, Chrissie Caulfield > <[email protected]>wrote: > >> Chaitanya Kulkarni wrote: >> > Hi All, >> > >> > What happens if in the same network, we try to create two clusters with >> > the same name? >> > >> > Does it cause any problem? >> >> YES LOTS! >> >> At best the two clusters will merge into one, at worst you will get node >> evictions because of clashes between node IDs >> >> Actually you *can* do this if you change the cluster_id/multicast >> address or port number in cluster.conf. But need to be careful and it is >> not recommended. >> >> The main reason I say not to do this is that GFS volumes have the >> cluster name embedded in the super block. If you have two clusters with >> the same cluster name on the same SAN then it's going to be very easy to >> totally corrupt the GFS filesystem by mounting it on two different >> clusters. >> >> >> Chrissie >> >> -- >> Linux-cluster mailing list >> [email protected] >> https://www.redhat.com/mailman/listinfo/linux-cluster >> > > > -- > Linux-cluster mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-cluster >
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