Hello Dermot,
In the testing I've done I found that if I had one pool set to something
ridiculous like 1 day then when the backup was written to that pool that
retention period was applied to all copies of that particular job. As an
example if I had a 3 pools with full backups being kept in a pool for 60 days
and then a differential pool which holds backups for 7 days and a incremental
pool that holds backups for 1 day. If I run a incremental backup then any job
that was over a day old is pruned from the database no matter what pool it was
in.
I tested this by setting up all pools with a 30 day retention initially. I ran
backups for a week with a mix of full, differential and incremental backups. I
then modified the incremental pool to have a retention period of 1 day and
updated the pools from the configuration. When I ran an incremental backup all
backups except the one from the previous day were removed from the database.
I haven't spent any more time looking at it to see what other combinations
would do. I just put all my retention periods up to 60 days until the pruning
algorithm is fixed. I was pretty sure I read something that said it would be
fixed in 5.1 but I can't say for sure where I read that.
James
On 2011-03-22, at 9:05 AM, Dermot Beirne wrote:
> Hi James,
> Thanks for replying.
> If I understand you correctly, then I think that is what I'm doing.
> I have a very high File and Job retention on the clients resource (10
> years), and a volume retention on the pools that I actually do want to
> use, e.g. 13 days, 60 days, 1 year, 10 years depending on the pool.
>
> It appears though, the files are still being pruned. I believe they
> should not be pruned until the volume is.
>
> Is that what you have implemented?
>
> Dermot.
>
>
>
> On 22 March 2011 14:13, James Woodward <james.woodw...@ualberta.ca> wrote:
>> Hello,
>>
>> I've only seen it on the list and from some testing. The retention periods
>> are broken and I don 't think it will be fixed until 5.1. When a job is
>> written to the pool with a lower retention all jobs and files are pruned
>> according to that retention period. My solution was to bump everything up to
>> the higher retention period and then I'll lower the pools later on when I've
>> confirmed that it's fixed in 5.1 and we upgrade. This isn't much of an issue
>> for me since everything goes to a tape library. It may not work well for you.
>>
>> James
>>
>> On 2011-03-22, at 7:02 AM, Dermot Beirne wrote:
>>
>>> Hi,
>>> I use Bacula 5.0.3 on ubuntu 9.04
>>>
>>> I backup from a number of clients (windows and linux) to a disk raid
>>> and then migrate to tape afterwards.
>>> I am concerned that my retention is not working properly.
>>>
>>> This is my client config for one client:
>>>
>>>
>>> # Client (File Services) to backup
>>> Client {
>>> Name = interlink-pdc-fd
>>> Address = 10.1.8.11
>>> FDPort = 9102
>>> Catalog = MyCatalog
>>> Password = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" # password for
>>> FileDaemon
>>> Maximum Concurrent Jobs = 1
>>> AutoPrune = yes # Prune expired Jobs/Files
>>> Job Retention = 10 years
>>> File Retention = 10 years
>>> }
>>>
>>> When I run "query" and choose:
>>> 5: List all backups for a Client
>>>
>>> The oldest one is:
>>>
>>> | JobId | Client | FileSet | Level |
>>> StartTime | JobFiles | JobBytes | VolumeName |
>>> +--------+------------------+-----------------------+-------+---------------------+-----------+-----------------+------------+
>>> | 10,614 | interlink-pdc-fd | interlink-pdc Fileset | F |
>>> 2010-12-05 22:00:00 | 1,580,321 | 188,248,232,869 | 000040L4
>>>
>>> If I choose "restore" and option 3: Enter list of comma separated
>>> JobIds to select, and enter jobid 10614
>>> I get:
>>>
>>> Select item: (1-13): 3
>>> Enter JobId(s), comma separated, to restore: 10614
>>> You have selected the following JobId: 10614
>>>
>>> Building directory tree for JobId(s) 10614 ...
>>>
>>> For one or more of the JobIds selected, no files were found,
>>> so file selection is not possible.
>>> Most likely your retention policy pruned the files.
>>>
>>> Do you want to restore all the files? (yes|no):
>>>
>>>
>>> The only other place where retentions are specified is in the pool.
>>> I have 4 disk pools, daily, weekly, monthly and yearly.
>>> There is a Volume Retention specified here which ranges from 2 to 4
>>> days, to ensure the disk volumes are freed up quickly after migration.
>>>
>>> I also have 4 tape pools, where Volume Retention ranges from 13 days
>>> to 10 years.
>>>
>>> My understanding is that the pool retention takes precedence over the
>>> client. So keeping a high file and job retention on the clients, and
>>> then the correct required retention on the volume in the pool, should
>>> ensure the catalog file and job contents are preserved until the
>>> volume is recycled.
>>>
>>> This does not appear to be happening.
>>>
>>> Would anyone know why this is happening? Thank you.
>>>
>>> Dermot.
>>>
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>>
>>
>>
>
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