Re: [pbs-devel] Some problems with fullstorage and cleanup

[Harald Leithner <leithner@itronic.at>]

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Hi,

after sometime the pbs was able to recover the diskspace of the deleted
snapshots.

I get some error reports after the backup but I think thats because the
pve has not the latest backup client and tries root and not root@pam.

Anyway thx for the help and I think a better "disk full handling" would
be useful ;-)

Harald

On 2020-08-31 15:10, Fabian Grünbichler wrote:
> On August 31, 2020 2:32 pm, Harald Leithner wrote:
>>
>>
>> On 2020-08-31 13:39, Fabian Grünbichler wrote:
>>> On August 31, 2020 1:14 pm, Harald Leithner wrote:
>>>> Hi,
>>>>
>>>> my test stroage run out of diskspace.
>>>>
>>>> This happens at Version 0.8-11
>>>>
>>>> I tried to forget the olders snapshots but this doesn't change the disk
>>>> usage. After this I started a manual GC (I assume it's garbage
>>>> collection). It failed after phase one with an error message. I didn't
>>>> copied the error message... (I miss the log panel in the gui).
>>>>
>>>> I also configured GC and Prune Schedules at the same time and told the
>>>> vm that backups to the pbs to keep only 20 copies.
>>>>
>>>> After a while I came back to the gui and has only 3 snapshots left and
>>>> one backup in progress (Thats maybe correct because of 1 yearly 1
>>>> monthly 1 daily and 2 last).
>>>> The Statistics Tab still says 100% usage and "zfs list" lists the same
>>>> usage.
>>>>
>>>> Starting now a manual GC ends in the error message:
>>>>
>>>> unable to parse active worker status
>>>> 'UPID:backup-erlach3-test:00000400:0000036A:00000000:5F4CD753:termproxy::root:'
>>>> - not a valid user id
>>>
>>> this was a known issue that should be fixed on upgrade to 0.8.11-1. can 
>>> you run 'grep termproxy /var/log/apt/term.log' on the PBS server?
>>>
>>
>> the only entry is "Fixing up termproxy user id in task log..."
>> btw. my first version was 0.8.9-1 not 0.8.11 I upgraded later to this
>> version
>>
>>> you can fixup the task index by running the sed command from 
>>>
>>> /var/lib/dpkg/info/proxmox-backup-server.postinst
>>>
>>> which replaces the invalid user 'root' with the correct 'root@pam'
>>>
>>
>> ok after running the sed command manually the GC works again.
>>
>> but is complains about no diskspace:
>>
>> 2020-08-31T14:29:16+02:00: WARN: warning: unable to access chunk
>> 135e565dc79f80d3a9980688bfe161409bf229fb4d11ab7290b5b1e58b27bc63,
>> required by "/test3/vm/3011/2020-08-30T22:00:02Z/drive-scsi1.img.fidx" -
>> update atime failed for chunk
>> "/test3/.chunks/135e/135e565dc79f80d3a9980688bfe161409bf229fb4d11ab7290b5b1e58b27bc63"
>> - ENOSPC: No space left on device
> 
> if you don't have enough space to touch a chunk, that is rather bad.. 
> you can attempt to free up some more space by deleting backup metadata 
> of snapshots you no longer needed, either by 'rm'-ing the directory that 
> represents them, or by using 'forget' on the GUI if that works..
> 
> what does 'df -m /test3' report? and/or the equivalent command for 
> whatever storage the datastore is on (e.g., zfs list -o space 
> path/to/dataset).
> 
> 
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-- 
ITronic

Harald Leithner
Wiedner Hauptstraße 120/5.1, 1050 Wien, Austria
Tel: +43-1-545 0 604
Mobil: +43-699-123 78 4 78
Mail: leithner@itronic.at | itronic.at


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