Tony Whitmore wrote:
On Mon, Jun 27, 2005 at 09:05:13PM +1000, Rowdy wrote:
Hi Tony,
Hey Rowdy, thanks for your reply.
<snip>
Excellent, I'll have a browse through the manual and see if I can
work out how to do that. Quick question - do you perform full backups
every time, or just incrementals? I was planning on full backups once
a week and incrementals / differentials during the week. But I'm
worried about having the same drive out and in use all week incase of
theft / fire. Is Bacula able to cope with just swapping the drives
about, i.e. performing a differential backup when the full backup is
on a different drive?
I do a full backup on Saturday mornings (1am) creating a new volume for
each server, then a differential backup at 1am all other days for each
server, appending to each respective full backup volume.
Bacula shouldn't mind about doing a full backup onto one drive (one
volume), and then differentials onto a different drive, but I believe it
would necessitate creation of a different volume. Bacula will probably
automatically create a new volume, if so configured, if it discovers
that the volume used for the full backup is not there.
My pools are configured to auto-label volumes to include server name +
date/time:
LabelFormat = "aardvark_${Year}${Month:p/2/0/r}${Day:p/2/0/r}"
I have one backup file per server, and one for the catalog, all
written to the HDD in the USB enclosure. This is not necessarily
the most ideal situation, sometimes it is preferable to write the
catalog backups to another device or even another server, but for
me it seems to work.
Excellent, that makes me feel more confident!
Thanks for your advice,
One other hint: (many) tape drives automatically compress data, however
hard drives do not. My FileSet sections have this:
Include = signature=MD5 compression=GZIP {
The 'compression' part saves quite a lot of disk space.
Rowdy
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