We backup/spool to disk volumes and copy/migrate jobs to tape.  We have one 
tape drive.

If we have Concurrent jobs allowed so we can backup more than one host at a 
time to disk we run into issues with Consolidate jobs failing when jobs were 
migrated to the tape drive.   If we only allow 1 job at a time it works as no 
second job tries to grab the tape drive.  

The specific error is:
list joblog jobid=23422
 2020-02-13 21:56:23 myth-dir JobId 23422: Start Virtual Backup JobId 23422, 
Job=sch-hp-desktop-Users-Pictures.2020-02-13_21.56.19_07
 2020-02-13 21:56:23 myth-dir JobId 23422: Consolidating JobIds 22736,23413
 2020-02-13 21:56:23 myth-dir JobId 23422: Bootstrap records written to 
/var/lib/bareos/myth-dir.restore.2.bsr
 2020-02-13 21:56:23 myth-dir JobId 23422: Connected Storage daemon at 
myth..com:9103, encryption: PSK-AES256-CBC-SHA
 2020-02-13 21:56:23 myth-dir JobId 23422: Using Device "FileStorage" to read.
 2020-02-13 21:56:23 myth-dir JobId 23422: Created new Volume 
"AI-Consolidated-1886" in catalog.
 2020-02-13 21:56:23 myth-dir JobId 23422: Using Device "FileStorage3" to write.
 2020-02-13 21:56:23 myth-sd JobId 23422: stored/acquire.cc:159 Changing read 
device. Want Media Type="LTO5" have="File"
  device="FileStorage" (/mnt/bacula)
 2020-02-13 21:56:23 myth-sd JobId 23422: Releasing device "FileStorage" 
(/mnt/bacula).
 2020-02-13 21:56:23 myth-sd JobId 23422: Fatal error: stored/acquire.cc:219 No 
suitable device found to read Volume "DA1391L5"
 2020-02-13 21:56:23 myth-sd JobId 23422: Releasing device "Tand-LTO5" 
(/dev/nst1).
 2020-02-13 21:56:24 myth-dir JobId 23422: Error: Bareos myth-dir 19.2.5 
(03Feb20):
  Build OS:               Linux-3.10.0-1062.9.1.el7.x86_64 ubuntu Ubuntu 16.04 
LTS
<snip>
  SD Errors:              1
  SD termination status:  Fatal Error
  Accurate:               yes
  Bareos binary info:     bareos.org build: Get official binaries and vendor 
support on bareos.com
  Termination:            *** Backup Error ***


So when it swaps to the tape (which is busy with another Consolidate 
VIrtualFull this job fails.

The Tape Storage does have
  Maximum Concurrent Jobs = 1

Is there a way to make the job hold and wait for the drive to free up?

I can use
  Reschedule on Error = yes
  Reschedule Times = 5
  Reschedule Interval = 1800

But this causes very long pauses as many consolidation jobs are very 
short/fast, but can be long if it includes full.

Thoughts?

Brock Palen
1 (989) 277-6075
[email protected]
www.mlds-networks.com
Websites, Linux, Hosting, Joomla, Consulting



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