hubert chomette wrote: > Hi, > I recently install a SAN at my work. One lun is used for XEN and can be > used by two xen server. > For more flexibility I use lvm on this lun. I was very happy of the > result, unless I discover (during a conversation with a friend) that lvm > metadata can be compromised if the two server simulty modify metadata. > - So what can I do? Use seperate LUNs. I'm not sure what your friend is talking about. Unless you have two machines using the same LUN, in which case there are issues... this would be a cluster filesystem issue, or near-high availability issue... > - Is it possible to allow LVM metadata modification by only one server? > - should I use clvm instead? Metadata won't creep outside of what is visible. > - Is it possible to migrate lvm to clvm without any data lost? Not sure. > > thank's for your help > > regards, > > ps: sorry for my poor english > > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > -- Chris Cox Sr. Unix Sys Admin _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/