Marco,
Thanks for the patch but I added rootfs as a filesystem type but it
didn't help much. The root file system was backed up but the other ext3
file systems were not:
26-Jan 16:50 bacula1 JobId 186149: Disallowed filesystem. Will not
descend from / into /var
26-Jan 16:50 bacula1 JobId 186149: Disallowed filesystem. Will not
descend from / into /export
26-Jan 16:50 bacula1 JobId 186149: Disallowed filesystem. Will not
descend from / into /tmp
26-Jan 16:50 bacula1 JobId 186149: Disallowed filesystem. Will not
descend from / into /usr
26-Jan 16:50 bacula1 JobId 186149: Disallowed filesystem. Will not
descend from / into /dev
/dev/cciss/c0d0p1
ext3 1019208 565544 401056 59% /
/dev/mapper/Volume00-var
ext3 2031440 1737400 189184 91% /var
/dev/mapper/Volume00-export
ext3 194522580 123838972 60802420 68% /export
/dev/mapper/Volume00-usr
ext3 4062912 2508568 1344632 66% /usr
none tmpfs 20971520 0 20971520 0% /tmp
On Thu, 2012-01-26 at 23:22 +0000, Marco van Wieringen wrote:
> Jason A. Kates <jason <at> kates.org> writes:
>
> >
> > My backup was working fine and is working fine with the older file
> > daemons.
> >
> > The / file system on this client is a ext3 file system running on a:
> > "Red Hat Enterprise Linux Server release 5.7 (Tikanga)" system.
> >
> > As you can see from the backup output it thinks that the file system
> > time is "rootfs"
> > 26-Jan 17:04 bacula1-sd JobId 186151: Ready to append to end of Volume
> > "CA3401L4" at file=878.
> > 26-Jan 17:04 bacula1.cmpnet.com JobId 186151: Top level directory "/"
> > has unlisted fstype "rootfs"
> > 26-Jan 17:04 bacula1-sd JobId 186151: Job write elapsed time = 00:00:01,
> > Transfer rate = 0 Bytes/second
> > 26-Jan 17:04 bacula1-sd JobId 186151: Sending spooled attrs to the
> > Director. Despooling 0 bytes ...
> > 26-Jan 17:04 bacula1-dir JobId 186151: Bacula bacula1-dir 5.2.5
> > (26Jan12):
> >
> > This is the file set (with a little editing):
> > FileSet {
> > Name = "LINUX_ALL_LOCAL_FS"
> > Include {
> > Options {
> > signature = MD5;
> > xattrsupport=yes;
> > onefs=no;
> > fstype=ext2
> > fstype=jfs
> > fstype=reiserfs
> > fstype=ufs
> > fstype=xfs
> > fstype=vxfs
> > }
> > File = /
> > }
> > Exclude {
> > File= /var/spool/bacula/Drive-0
> > File= /proc
> > .....
> > }
> > }
> >
>
> First of all this is something that is probably already the case
> in 5.2.2 as the changes to the mntent cache code went into that
> version already on which the fstype detection is build when running Linux.
>
> Nowadays we tend to rescan /proc/mounts every now and then
> to be sure we don't miss certain filesystems which are
> mounted after the filed has started. That is the hart of the
> change that went into 5.2.2
>
> Other then that I have seen this before and to be honest Bacula
> is right for doing this as indeed a rootfs type is mounted as
> your root filesystem first.
>
> Most people don't think about this much but Linux tends
> to first mount a filesystem what it calls rootfs on the
> root (as we get our info from /proc/mount that is the
> first filesystem to mention a certain dev_t binding
> which we use to determine the type of filesystem mounted)
>
> I just pushed a patch that adds a skiplist that skips
> rootfs entries for Linux.
>
> The actual commit text explains what is actual happening:
>
> ====================================================================
> Skip certain filesystem types on some platforms.
>
> On Linux the actual rootfs gets mounted over an initial
> rootfs. The mountcache on Linux is populated with the
> content of /proc/mounts and as such it will contain 2
> entries for the rootfs. So when the fstype function
> is used to lookup the type of filesystem based on
> the dev_t value it will always find the rootfs first.
> But people expect to find either ext2, ext3 etc.
> so we added a table with per OS (currently only Linux)
> the filesystem which should NOT be loaded into the
> internal lookup table.
> ====================================================================
>
> This patch should be in git when it get pushed outside you can then
> pickup the patch from there.
>
> Marco
>
>
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