Bacula-users

Re: [Bacula-users] Bacula BLOCKED waiting for mount

2015-08-03 00:41:56
Subject: Re: [Bacula-users] Bacula BLOCKED waiting for mount
From: Kern Sibbald <kern AT sibbald DOT com>
To: Michael Schwager <mschwager AT mochotrading DOT com>, "Bacula-users AT lists.sourceforge DOT net" <bacula-users AT lists.sourceforge DOT net>
Date: Mon, 03 Aug 2015 06:40:10 +0200
Hello,

Sorry you are having problems.  You did a perfect job of supplying the right information :-)

It looks like for some reason you did not have tape EPW681L3 in the autochanger the last time you did an "update slots barcodes" so the slot for that Volume is zero, which means that Bacula will not try to use it -- even though it is recycled.

Every time you remove or add a tape to the library you must subsequently manually run "update slots barcodes" so that Bacula knows what Volumes are in the library.


Best regards,
Kern

On 03.08.2015 00:43, Michael Schwager wrote:
Hello,
We are running Bacula 7.0.5 on CentOS 7.0. This weekend, one of our full stores blocked waiting on a tape. However I was trying to enjoy the nice Chicago weather and trying not to think about work, so needless to say our backup failed.

Starngely, we have another tape that SHOULD be available. Tapes in this pool are set to recycle after 90 days, and 90 days ago from today is May 4th.
​ We have a tape that was last written to on March 28. So why would Bacula block on the unavailable tape? Can I set it to fail and move on if a tape is not available? I will never be able to satisfy Bacula over the weekend- I would rather it fail than hold everything up.

Thanks. ​Here's some Bacula queries; first my client entry from bacula-dir.conf:
Client {
  Name = fscluster2-backup
...
  File Retention = 3 months
  Job Retention = 3 months
  AutoPrune = yes                     # Prune expired Jobs/Files
}


​ Here's what status jobs says:​

Device "HP_LTO-3" (/dev/nst0) is not open.
    Device is BLOCKED waiting for mount of volume "EPW681L3",
       Pool:        Tape
       Media type:  LTO-3
    Drive 0 is not loaded.
==
​ ...​

Used Volume status:
Reserved volume: EPW681L3 on tape device "HP_LTO-3" (/dev/nst0)
    Reader=0 writers=1 reserves=0 volinuse=0
====

​ But list media shows a volume in the changer which was last written to on March 28; much older than 90 days. Why didn't Bacula use it?​


*list media
Automatically selected Catalog: MyCatalog
Using Catalog "MyCatalog"
Pool: Tape
+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
| MediaId | VolumeName | VolStatus | Enabled | VolBytes        | VolFiles | VolRetention | Recycle | Slot | InChanger | MediaType | LastWritten         |
+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
|      16 | EPW680L3   | Full      |       1 | 557,867,971,584 |      145 |    7,776,000 |       1 |    1 |         1 | LTO-3     | 2015-03-28 07:11:04 |
|      17 | EPW681L3   | Recycle   |       1 |               1 |        0 |    7,776,000 |       1 |    0 |         0 | LTO-3     | 2015-04-25 08:08:59 |
​ ...​

|      46 | EPW692L3   | Full      |       1 | 532,896,215,040 |      163 |    7,776,000 |       1 |    2 |         1 | LTO-3     | 2015-08-01 09:13:24 |
|      47 | EPW693L3   | Full      |       1 | 420,250,650,624 |      105 |    7,776,000 |       1 |    8 |         1 | LTO-3     | 2015-08-01 11:55:27 |
​ ...​

|      68 | ERX840L3   | Full      |       1 | 508,789,241,856 |      130 |    7,776,000 |       1 |    5 |         1 | LTO-3     | 2015-07-25 10:08:25 |
+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+

*status slots
Automatically selected Storage: LTO-3
​ ...​

3306 Issuing autochanger "list" command.
 Slot |   Volume Name    |   Status  |     Media Type       |      Pool          |
------+------------------+-----------+----------------------+--------------------|
    1 |         EPW680L3 |      Full |                LTO-3 |               Tape |
    2 |         EPW692L3 |      Full |                LTO-3 |               Tape |
    3 |         EPW732L3 |    Append |                LTO-3 |           WORM-CRM |
    4 |         EPW730L3 |    Append |                LTO-3 |           WORM-CRM |
    5 |         ERX840L3 |      Full |                LTO-3 |               Tape |
    6 |         EPW733L3 |    Append |                LTO-3 |        WORM-Onsite |
    7 |         EPW729L3 |    Append |                LTO-3 |        WORM-Onsite |
    8 |         EPW693L3 |      Full |                LTO-3 |               Tape |


- Mike Schwager
  Linux Network Engineer, Mocho Trading LLC
  312-646-4783 Phone    312-637-0011 Cell    312-957-9804 Fax



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