Am 19.09.2011 10:35, schrieb Konstantin Khomoutov: > On Sun, 18 Sep 2011 17:47:34 +0200 > Tobias Schenk<tob...@die-schenks.net> wrote: > >> I try use bacula 5.0.3 on suse linux to backup lvm snapshots. >> Basically, I create a lvm snapshot called /dev/vmguests/backup using >> the RunScript directive. Unfortunately, this is a sym link >> to /dev/dm-6. I cannot be sure it is always dm-6. I would like to >> follow the sym link and backup /dev/dm-6 as raw device. >> >> The hints I found while googling are are not working (like >> appending /. to the File directive) or obscure (like using bash >> scripting to resolve File names). >> I cannot simply mount /dev/dm-6 to somewhere because the contents is >> a partitioned raw device of a kvm instance. >> Maybe it is possible resolve the link using a bash script in the file >> directive > You can use the `readlink` command to resolve the symlink. > >> but I have not found information about when the File >> directive will be evaluated relative to RunScript. >> >> Has anyone a working solution for lvm snapshots? >> >> The Job currently looks very plainly like this: >> >> FileSet { >> Name = FsVMMyDms # Adjust to VM >> Include { >> Options { >> compression = GZIP >> signature = SHA1 >> sparse = yes >> } >> File = /dev/vmguests/backup >> } >> } > You can try to use something like > > File = "| readlink /dev/vmguests/backup" > > to dynamically read that file containing the real device name.
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