On 03/03/2014 01:50 PM, WebDawg wrote:
> I need to backup to multiple drives and use them in one slot like tapes.

Right, that's vchanger. In the tape world there's a jukebox with tapes
in "slots" and a robot arm that moves them to/from the tape drive(s).
Some of them had more than one "magazine" of "slots".

So when you map that to files & removable drives, "tape" = "slot" =
"disk file", "magazine" = "disk drive", "tape in the drive" = "file
currently written to".

There are practical issues with using full-disk files in practice.
Especially when they are 4TB files. So most people use much smaller ones.

-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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