Hi, That's not a back up strategy. You could still have joe luser take out a key file or directory. What do you do then?
On May 29, 2012, at 11:19 AM, Darrell Taylor wrote: > Hi, > > We are about to build a 10 machine cluster with 40Tb of storage, obviously > as this gets full actually trying to create an offsite backup becomes a > problem unless we build another 10 machine cluster (too expensive right > now). Not sure if it will help but we have planned the cabinet into an > upper and lower half with separate redundant power, then we plan to put > half of the cluster in the top, half in the bottom, effectively 2 racks, so > in theory we could lose half the cluster and still have the copies of all > the blocks with a replication factor of 3? Apart form the data centre > burning down or some other disaster that would render the machines totally > unrecoverable, is this approach good enough? > > I realise this is a very open question and everyone's circumstances are > different, but I'm wondering what other peoples experiences/opinions are > for backing up cluster data? > > Thanks > Darrell.
