[Bacula-users] Mounting a samba share on-demand

I'm attempting my 2.4.0 Bacula to write the backup volumes as files to
a drive mounted over cifs.

I thought I'd try and get bacula to do the mounting and unmounting, to
increase robustness. If this won't work, I'd be happy to leave the
drive mounted - but now I'm curious why I couldn't get it to work how
I'd expect.

The Storage Daemon is configured as:

Device {
  Name = FileStorage
  Media Type = File
  Archive Device = /backup/backup/bacula-space/
  LabelMedia = yes;                   # lets Bacula label unlabeled media
  Random Access = Yes;
  AutomaticMount = yes;        # when device opened, read it
  RemovableMedia = yes;
  AlwaysOpen = no;
  Requires Mount = yes;
  Mount Point = /backup;
  Mount Command = "sudo /bin/mount %m";
  Unmount Command = "sudo /bin/umount %m";
}


The Storage Daemon debug log shows:

my-server-sd: stored.c:480-0 calling init_dev /backup/backup/bacula-space/
my-server-sd: mem_pool.c:119-0 sm_get_pool_memory reuse 9f2dfd0 to 
../lib/berrno.h:77
my-server-sd: mem_pool.c:135-0 sm_get_pool_memory give 9f3cd18 to message.c:1177
my-server-sd: message.c:1083-0 Enter Jmsg type=4
my-server-sd: message.c:609-0 Enter dispatch_msg type=4 msg=my-server-sd JobId 
0: Error: dev.c:121 Unable to stat device /backup/backup/bacula-space/: ERR=No 
such file or directory
my-server-sd: message.c:781-0 DIRECTOR for following msg: my-server-sd JobId 0: 
Error: dev.c:121 Unable to stat device /backup/backup/bacula-space/: ERR=No 
such file or directory
my-server-sd: mem_pool.c:230-0 free_pool_memory 9f3cd18 pool=4 from 
message.c:1193
my-server-sd: mem_pool.c:230-0 free_pool_memory 9f2dfd0 pool=4 from 
../lib/berrno.h:86
my-server-sd: stored.c:482-0 SD init done /backup/backup/bacula-space/
my-server-sd: mem_pool.c:119-0 sm_get_pool_memory reuse 9f2dfd0 to 
message.c:1177
my-server-sd: message.c:1083-0 Enter Jmsg type=4
my-server-sd: message.c:609-0 Enter dispatch_msg type=4 msg=my-server-sd JobId 
0: Error: stored.c:484 Could not initialize /backup/backup/bacula-space/
my-server-sd: message.c:781-0 DIRECTOR for following msg: my-server-sd JobId 0: 
Error: stored.c:484 Could not initialize /backup/backup/bacula-space/

Is there an item I'm missing, to tell the SD to run the mount and
unmount when it finds that /backup isn't mounted?

I set sudo so that bacula could run the command without a password -
but from the debug log, it looks like it doesn't even attempt the
mount anyway?

Thank you for any suggestions,

Regards,

 Nick

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