>Can Bacula use my 4 disks in the same way filling up backup1 and than
using backup2 etc?
The short answer is yes. We've been doing this for over a decade using
sym links to create one logical Bacula storage area that then points off
to 40-50 disks worth of volume data on each server. In general, I
would agree with the RAID recommendation given the few drives that you
have. One option, if you can afford it, would be to double your disk
count and create a RAID 10.
Since at the time of creation, we were not able to afford RAID setups
with that amount of disks and backup servers that we have, I created an
application that "stripes" our completed backup volume data across all
the JBOD disks on a given server thus if we lose one disk, it lessens
the likelihood that we lose an entire sequence of backup data. It also
helps to test the drives and root out suspect drives before they totally
fail - which allows us to then copy all the good backup volumes off of
it and take it out of circulation.
cheers,
--tom
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