On 08/22/17 13:10, Dimitri Maziuk wrote:
> 
> We're using plain SATA drives in hot-swap bays. With vchanger they work
> just fine for backup -- we haven't tried restoring anything from an
> already removed disk yet -- but they do die on you even without dropping
> 'em.

> So I've a post-backup script that figures out which of the vchanger
> "magazines" is the "current" one and rsyncs it to anther drive. That way
> if a drive dies during write, I lose at most the latest backup.

That sounds like a pretty good idea.  After-the-fact redundancy.

> There is a number of obvious problems with that, and here's a
> non-obvious one: instead of filling them up strictly sequentially, every
> once in a while bacula randomly decides to write a volume in some other
> magazine. At which point my clever script works exactly as designed...

I can see how that would be a problem.


-- 
  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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