-mount (--one-file-system) like option for rdiff-backup?
Thu, 27 Jun 2002 17:50:47 -0700
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>>>>> "PW" == Paul Wouters <firstname.lastname@example.org>
>>>>> wrote the following on Fri, 28 Jun 2002 01:17:45 +0200 (MET DST)
PW> the only feature that seems to be missing at first glance is the
PW> --one-file-system option. I'd like to be able to backup /
PW> without a mounted /usr for example.
PW> Can rdiff-backup do this somehow, without coming up with include
PW> or exlude statements, so that I can just feed it
PW> hostname:directory entries to backup without needing to write
PW> custom rules per entry?
BTW, rdiff-backup uses two colon as in "hostname::directory". It does
this because the increments have colons in them (because of the time
format) so indicating a hostname with only one colon would require a
lot of escaping when restoring an increment.
Anyway, there is no --one-file-system option, but there's no
reason it couldn't be added I suppose. Why not just use --exclude
though? It is too inconvenient when hierarchies have lots of file
systems in them or the mount points change frequently?
Also, just to make sure I know what a "file system" is, are two
files on the same file system if and only if their device numbers are
the same? Or is it something else? For instance, could / and /usr be
different file systems even if they are both ext2?
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