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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