Get Message About Different Filesystem
Jeff Kalchik wrote:
I have compiled bacula-fd on an HP-UX machine. When I went to run the
director located on a Debian machine I get messages like "/home is a
different filesystem. Will not descend from / into /home"
I also get this message on /opt, /usr, /var, /stand.
It was able to descend into /sbin, /etc.
Any ideas as to why?
Wait a second, gang. While I do see some replies that may (or may not)
apply, I think there's something here that is more fundamental.
Mike, most U**x systems are split up into a number of different volumes.
This is done for a variety of reasons, both performance and security
related. One of the biggest reasons is that root is the *ONLY* user who
should have general write access to the top level volume. Yes, there may
be minor exceptions such as /etc/tnsnames.ora. One major reason for this
is that if the root filesystem fills up, unix systems tend to get very
unhappy and start screaming at the system administrators. To avoid these
problems, directories such as /var, /usr, /opt, etc. get their own
dedicated disk space. If /opt fills up, yes, it's a problem, but it won't
crash the box.
Now, back to the original question. Backup systems tend to really pay
attention to volume boundaries. This is exactly what Bacula is doing.
It's letting you know that /usr, /var, /stand, etc. are on different
volumes. /sbin and /etc are always part of the root volume, because
they're required for single user mode operation, where none of the other
volumes may be mounted or available. This really isn't an error, but it
is letting you know that you do need to address the situation by either
including these other mountpoints in include directives, or by using onefs
(as a couple of other folks have kindly pointed out.)
Jeff Kalchik
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Jeff, you are correct, you must indicate all mounts points not just "/"
unless you specify onefs=yes. If you list all the mounts points you will
still get the message error, which is annoying, because you still list "/".
At least I do know that it is working now.
Thanks,
Mike
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