On 10/19/2015 04:49 PM, Thing wrote:
> Multiple NFS file systems on a NAS array.  500TB total, 350TB used.
> Research data, much of it rarely accessed, after 1 year things like climate
> data up to 30 years old, probably highly compressible.   Suspect multiple
> bacula backup instances to distribute the load? Growth about 30tb a year.

Basically it's what Alan said. With multiple systems you get more
hardware failures and more time spent maintaining your fileset
definitions (they always remember that a new dataset is absolutely
critical and must be backed up after they accidentally delete it).

This is the point where a big NetApp or AmpliStor with a year's worth of
snapshots and an archival solution for those "after 1 year things"
starts to look very cheap at the price.

-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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