Thank you so much Fajar, You have been incredibly helpful! I will do as you said I am just glad I have not been going down the wrong path!
Thanks, Greg On Thu, Jan 14, 2010 at 4:45 PM, Fajar A. Nugraha <fa...@fajar.net> wrote: > On Fri, Jan 15, 2010 at 12:33 AM, Gregory Durham > <gregory.dur...@gmail.com> wrote: > > I have been recommended by several other users on this mailing list to > use > > inside the vm snapshots, vmware snapshots, and then use zfs snapshots. I > > believe I understand the difference between filesystem snapshots vs block > > level snapshots, however since I cannot use vmware snapshots (all LUNs on > > the SAN are mapped to ESXi using RAW disk in physical compatibility mode, > > which then disables vmware snapshots) does this cause me to have a weaker > > backup strategy? What else can I do? Should I convert the virtual > machines > > from physical compatibility to virtual compatibility in order to get > > snapshotting on the ESXi server? > > IMHO using all three is too much. you can pick one, and combine that > with other (non-snapshot) backup strategy. > vmware snapshot is good because it also stores memory state, but it > also uses more space. > > What I recommend you to do in your current setup: > - check whether your application can survive an unclean shutdown/power > outage (it should). If not, then you have to do application-specific > backup. > - do zfs snapshot plus send/receive > - add regular tape backup if necessary, although it might not need to > be as frequent (you already plan this) > - regulary excercise restoring from backups, to make sure your backup > system works. > > -- > Fajar >
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