Excellent, this answers most of what I was looking for. Just one question, if I were to install CLVM, can the existing volume group and logical volume be converted or would I need to recreate everything and restore the data from a back up copy? Thanks Ron Cronenwett On Wed, Jun 11, 2008 at 8:16 AM, Jonathan Brassow <jbrassow@xxxxxxxxxx> wrote: > Here is a good source of information for those questions: > http://sources.redhat.com/cluster/wiki/LVMFailover > > brassow > > On Jun 10, 2008, at 7:12 PM, Ron Cronenwett wrote: > >> Hi all, >> >> I have been presented a pair of servers (RHEL 5.2) connected to a dual >> port scsi array. The storage has been configured as one large disk >> partitioned into /dev/sdb1 /dev/sdb2,and /dev/sdb3 with dev/sdb3 the >> sole device in a physical volume. Several logical volumes have been >> created on the physical volume. Currently the logical volumes are >> mounted on server A. Server B was added to the mix as a new server. >> Server B sees the external storage with fdisk -l and the volumes with >> pvdisplay. >> >> My questions are, can an existing logical volume be used as a cluster >> resource that is mounted on one node or the other (but not both)? >> Would this work with just the existing LVM or would CLVM be needed? If >> I need CLVM, can the existing logical volumes be used without >> destroying the existing data? In either case, would all the logical >> volumes need to be mounted on the same server or can just one logical >> volume be mounted on one server while the remaining logical volumes >> are mounted on the other? >> >> The idea is to create an active-passive HA cluster of an existing web >> server. >> >> Any thoughts, ideas, comments, questions would be appreciated. >> >> Thanks >> >> Ron Cronenwett >> >> -- >> Linux-cluster mailing list >> Linux-cluster@xxxxxxxxxx >> https://www.redhat.com/mailman/listinfo/linux-cluster > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster > -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
