[pbs-devel] Some problems with fullstorage and cleanup

[Harald Leithner]

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 at 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

>> maybe because a backup is running?
>>
>> Is there a way to give the unused diskspace free manually?
> 
> GC is the way to go, after fixing the issue above. note that only chunks 
> older than 24h (or since the least recent, still running backup if that 
> is even longer ago) will be GCed.
> 

Ok so any way I get diskspace back so I can run GC?

Also I have 3 backup entries (for the same VM) on the Storage view with
a spinning circle on the size column. (The backups are stop on the server).


>> thx
>>
>> Harald
> 
> 
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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 at itronic.at | itronic.at

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