** Description changed:
Binary package hint: gmailfs
I'm getting errors about not being able to stat a gmailfs file system
when I try to use one to backup stuff up to using bacula. I believe
this is because of a limitation of gmailfs.
Here's the failure error I'm getting from bacula when I try this.
/mnt/gmailfs is of course where I've mounted the gmailfs file system:
23-Jul 06:39 barabbas-dir JobId 16: Start Backup JobId 16,
Job=Client1.2008-07-23_06.39.14
23-Jul 06:39 barabbas-sd JobId 16: Error: dev.c:121 Unable to stat device
/mnt/gmailfs: ERR=Permission denied
23-Jul 06:39 barabbas-sd JobId 16: Warning:
Device "FileStorage" requested by DIR could not be opened or does not
exist.
23-Jul 06:39 barabbas-sd JobId 16: Error: dev.c:121 Unable to stat device
/mnt/gmailfs: ERR=Permission denied
23-Jul 06:39 barabbas-sd JobId 16: Warning:
Device "FileStorage" requested by DIR could not be opened or does not
exist.
23-Jul 06:39 barabbas-sd JobId 16: Error: dev.c:121 Unable to stat device
/mnt/gmailfs: ERR=Permission denied
23-Jul 06:39 barabbas-sd JobId 16: Warning:
Device "FileStorage" requested by DIR could not be opened or does not
exist.
23-Jul 06:39 barabbas-sd JobId 16: Failed command: Jmsg
Job=Client1.2008-07-23_06.39.14 type=5 level=1216795184 barabbas-sd JobId 16:
Warning:
Device "FileStorage" requested by DIR could not be opened or does not
exist.
23-Jul 06:39 barabbas-sd JobId 16: Fatal error:
Device "FileStorage" with MediaType "File" requested by DIR not found in
SD Device resources.
23-Jul 06:39 barabbas-dir JobId 16: Fatal error:
Storage daemon didn't accept Device "FileStorage" because:
3924 Device "FileStorage" not in SD Device resources.
The error messages complain about permissions on /mnt/gmailfs, but I
don't think this is the real problem. bacula-sd (the bacula process
that is trying to access the mount) is running as user bacula. I've
changed the permissions so that /mnt/gmailfs is owned by user bacula and
group bacula. The permissions on the directory are 755. I am mounting
the directory as user bacula, using this command:
sudo -u bacula mount /mnt/gmailfs
Here's the /etc/fstab entry:
none /mnt/gmailfs gmailfs noauto,user 0 0
I can write to and read from /mnt/gmailfs as user bacula just fine.
The gmailfs homepage says it supports stat on gmailfs mounts. However,
apparently there are two ways to stat. You can stat a file as a file,
or as a filesystem. Examining the output of stating a file as a
filesystem, it seems this is the information bacula would want. And,
there is weirdness when you try to stat /mnt/gmailfs on the command
line. Note that when you use the -f option of stat, you are stat'ing the
file as a filesystem, not just as a file like stat's default is. The
weirdness is that you have to 'stat -f' /mnt/gmailfs as root before it
works for user bacula:
[EMAIL PROTECTED]:~$ sudo -u bacula mount /mnt/gmailfs
Ignored option :rw
Ignored option :noexec
Ignored option :nosuid
Ignored option :nodev
Ignored option :noauto
Ignored option :user
- [EMAIL PROTECTED]:~$ sudo -u bacula stat /mnt/gmailfs
+ [EMAIL PROTECTED]:~$ sudo -u bacula stat /mnt/gmailfs
File: `/mnt/gmailfs'
Size: 1 Blocks: 1 IO Block: 4096 directory
Device: 15h/21d Inode: 1 Links: 2
Access: (0755/drwxr-xr-x) Uid: ( 107/ bacula) Gid: ( 113/ bacula)
Access: 2008-07-19 21:50:25.000000000 +0000
Modify: 2008-07-19 21:50:25.000000000 +0000
Change: 1970-01-01 00:00:00.000000000 +0000
- [EMAIL PROTECTED]:~$ sudo -u bacula stat -f /mnt/gmailfs
+ [EMAIL PROTECTED]:~$ sudo -u bacula stat -f /mnt/gmailfs
stat: cannot read file system information for `/mnt/gmailfs': Invalid argument
- [EMAIL PROTECTED]:~$ sudo stat -f /mnt/gmailfs
+ [EMAIL PROTECTED]:~$ sudo stat -f /mnt/gmailfs
File: "/mnt/gmailfs"
ID: 0 Namelen: 0 Type: UNKNOWN (0x65735546)
Block size: 0 Fundamental block size: 0
Blocks: Total: 0 Free: 0 Available: 0
Inodes: Total: 0 Free: 0
- [EMAIL PROTECTED]:~$ sudo -u bacula stat -f /mnt/gmailfs
+ [EMAIL PROTECTED]:~$ sudo -u bacula stat -f /mnt/gmailfs
File: "/mnt/gmailfs"
ID: 0 Namelen: 0 Type: UNKNOWN (0x65735546)
Block size: 1024 Fundamental block size: 1024
Blocks: Total: 7123968 Free: 7123968 Available: 7123968
Inodes: Total: 0 Free: 0
--
Can't use gmailfs as a storage directory for bacula
https://bugs.launchpad.net/bugs/251261
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