On 08/05/2014 10:32 AM, Alan Brown wrote: > If you're backing up to LTO of any type, the only way to get reasonable > performance is to backup to a high performance SSD spool (or SSD stripe) > and then despool from that to the tape. > > A decently fast SSD spool area can handle simultaneous spool/depool > operations - but do NOT try this with low end consumer SSDs, the write > latencies will kill performance (most consumer SSD random write > performance is "so-so" at best.).
I'd also consider write wear-out and your retention periods 'cause when you fry your system drive/bacula database ssd, you may have to bscan N years worth of tapes to make your backups accessible again. -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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