On 08/21/17 12:26, Dimitri Maziuk wrote: > On 08/21/2017 09:56 AM, muha...@assistanz.com wrote: >> >> It is 500 virtual devices ( disk backup) and not tape, with > autochanger. Even if i create a pool for every backup job, why i still > need a device for each backup job. is there a way to run a multiple > backup jobs with different pool parallel on a 2 virtual device. > > Your bus has a finite bandwidth. You can write 500 files one at a time > at full bandwidth each, or you can write 500 in parallel at 1/500th of > the bandwidth each. I fail to see the practical advantage in the latter, > but it's your setup of course.
I can immediately cite one practical *disadvantage*: you're going to be doing a fandango on disk. With 500 volumes open, you may well spend more time seeking than actually writing. -- Phil Stracchino Babylon Communications ph...@caerllewys.net p...@co.ordinate.org Landline: +1.603.293.8485 Mobile: +1.603.998.6958
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