> I'm a long time bacula adherent, and for the first time find myself stumped
> with a data storage problem, I hope someone on the list can help.
> I'm running a fairly small site, HP 8x1 LTO3 supporting 12 clients for full
> disaster recovery.
> One of my heaviest use clients  just moved to a new network segment, and was
> causing huge delays and poor tape performance due to a bad network bottle
> neck.
> I re-enabled Data and Attribute spooling for all my clients, and the drive
> now happily writes out its large chunks and is no longer trying to chew up
> tapes.
> But the catch, my average volume capacity has gone from ~760G to ~580G ....
> Where is the other 25% of my volume ?
> I'm recording the same data, on the same tapes, but getting less
> compression.

Are you sure there is not a higher percentage of already compressed
files in the fileset now than before? Remember that already compressed
files do not compress a second time so these will basically be stored
1:1 on your tape drive.


John

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