On 12/09/2016 02:15 PM, Josip Deanovic wrote: > > I doubt that there are many cases where data is coming at a rate that > would justify spooling in case of file storage (I don't think I have > ever stumbled upon such case). I would of course like to hear different > experiences on the matter if there are any.
Consider interleaving and running jobs in parallel. And current prices on SSDs. I've two setups using SSD spools and 50GB file volumes on "commodity" SATA drives; on one storage is a vchanger, on the other: a big zfs pool. In both cases backup runs as fast as clients can push bits over the wire (all running in parallel) and I don't need to care how slow despooling to spinning rust might be. With ZFS you'd want the SSD anyway for write caching (ZIL) so it's only really a matter of buying slightly larger ones to hold the spool as well. -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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