Anders Troberg wrote:
What I want:
* Software RAID support, even across the network, so I can just
add a bunch of parity disks and survive if a few disks crash.
To me, it's well worth it to pony up with the money for 5-10
extra disks if I know that that many disks can fail before I
start to lose data. That would be good enough to dispense with
the need for proper backups.
Don't dispense with proper backups or you will be unhappy. One
of my New Years resolutions is to campaign against unhappiness.
So I would encourage you to explore ways to backup such large
data stores in a timely and economical way.
Note: if you were using a plain file system like UFS, then you
would see recommendations for performing backups when the file
system is quiescent. With ZFS, this isn't really a problem
and the use of ZFS snapshots makes clean backups of a busy file
system easier.
-- richard
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