Quoting Timo Neuvonen [EMAIL PROTECTED]:
1.36.3. bacula-dir.conf has the following lines in fileset configuration
example:
# Note: / backs up everything on the root partition.
#if you have other partitons such as /usr or /home
#you will probably want to add them too.
#
What does this actually mean?
Maybe I'm thinking something in a wrong way, but does Bacula know anything
about disk partitions?
If /usr or /home in the above are on the partitions of their own, what does
it matter? They are accessible under / anyway, since they are mounted
properly. If it was about unmounted partitions, that's a different thing,
but then they are not accessed any more as /usr etc.
While all your mounted file systems are accessible by recursing directories
starting with /, Bacula will stop when it hits directory that is mount point
of another file system (in other words resides on different physical or
logical
device than its parent). Usually this is a good thing. Prevents Bacula from
backing up file systems you might not want to back up (such as CD-ROMs, DVDs,
NFS mounted partitions, temporary mounts somebody forgot to unmount, and so
on). Imagine you forget to unmount that dual-layer DVD, and next night your
incremental backup goes from couple of megs to 9 gigs ;-). Or even worse,
somebody NFS mounted that several-TB partition from your big file server...
You can controll this by using onefs option. Default value of onefs
is true,
and Bacula will not cross file system boundaries. By setting onefs to false,
Bacula will cross file system boundaries (but you better make sure to exclude
all junk mentioned earlier). You can also use fstype option (in addition to
onefs) to limit backup to ext2/3 file system only (or whatever file system
types you have on your local hard drive). Do note that Bacula has only a
limited list of file system types it can recognize. Also, note that
DVD-RAM can
be formatted as basically any file system type (including ext2). Once I
formatted is as vfat, just to try that out. Unlike DVD+-RW, DVD-RAM behaves
just like (removable) hard drive or huge floppy. Usually you'd format is as
UDF, don't know why would anybody format it as anything else, but still,
there's possibility. USB keys can also be formatted as any type of
file system
(not sure if you format it as ext2, if Bacula will consider it ext2 or
usbdevfs)
and they are getting into GB range these days.
So in short, be carefull with setting onefs to false.
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