On Thu, 18 Jan 2007, Dan Pritts wrote:
- staging your backups to disk (on the backup server) and then spooling
them to tape. Veritas netbackup has this feature, i presume legato
does too.
This is a bit off-topic, but since the question has been raised:
If someone is doing backup without expensive commercial software
(tar/dump/rsync), buffer can do miracles. When we still used tape
backup, I added the following to the pipe:
/usr/bin/buffer -o /dev/rmt/0cn -s 256b -m 100m -p 75
At the cost of 100 megs memoury, I doubled the througput on our DLT8000.
We went from massive shoeshining to something lik half a minute of
streaming, followed by a minutes pause.
Now this is history since we use rsync to disk on a server (well
actually two servers on different locations to be on the safe side since
disks are more volatile).
/Per
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