Recently one of my users accidentally deleted some files and directories from a
samba
file server. I restored the missing stuff from a bacula backup, but the user
could
not access the restored files. Some troubleshooting revealed that the files
were
restored correctly, but the directories containing the files were restored with
incorrect permissions.
In order to understand what happened I did some simple testing on the bacula
server
itself. Here is the simple fileset for the server.
FileSet {
Name = "khyber Files"
Include {
Options {
signature=MD5
compression=GZIP
}
File = /etc
File = /home
File = /root
} # end Include
}
I created some subdirectories with various permissions inside the /root folder
drwxrwxrwx 2 root root 4.1k Jan 8 17:17 testdir/
drwxr-xr-x 2 root root 4.1k Jan 8 17:12 testdir2/
drwxrws--- 2 root root 4.1k Jan 6 18:24 testdir3/
drwxr-xr-x 2 mark ftp 4.1k Jan 10 10:54 testdir4/
I added some test files inside the test folders. After a bacula backup was
performed,
I renamed the test directories by appending "-save" to them. Then I restored
from
the bacula backup and compared the restored directories to the originals.
drwxrw-rw- 2 root root 4.1k Jan 11 10:31 testdir/
drwxrwxrwx 2 root root 4.1k Jan 8 17:17 testdir-save/
drwxr--r-- 2 root root 4.1k Jan 11 10:31 testdir2/
drwxr-xr-x 2 root root 4.1k Jan 8 17:12 testdir2-save/
drwxrw---- 2 root root 4.1k Jan 11 10:31 testdir3/
drwxrws--- 2 root root 4.1k Jan 6 18:24 testdir3-save/
drwxr--r-- 2 mark ftp 4.1k Jan 11 10:31 testdir4/
drwxr-xr-x 2 mark ftp 4.1k Jan 10 10:54 testdir4-save/
The problem seems to always be related to the group and others "x" permission.
The
files inside the test directories were all restored correctly. The root umask
is
022, but that doesn't explain this. Note that bacula correctly restored the
owner and
group so it is obviously saving the information about the directories.
Can anyone shed any light on what may be wrong with my configuration? Or can
you
confirm that the same happens on your system?
Thanks,
--
Mark Nienberg
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