Hi Johan,
First thank you so much for your efford, although is hasn't solved the
problem yet.
Unfortunally I don't that much extra space to accommodate an extra copy
of the backups. (around 6TB).
I have been thinking it looks like none of the BackupPC utility programs
(BackupPC_xxxx) are working, so there must be a common denominator.
I wonder how do these programs find the backups - for tarCreate for
instance you nowhere give a path to the backups - so how does this work?
I'm looking forward to hear from anybody with a clue to fix this problem!
Best regards
Ib
On 04/25/2017 09:26 AM, Johan Ehnberg wrote:
> Hi Ib,
>
> This is sounds more like a problem with BackupPC internals, if the
> backup number is indeed correct. Maybe someone more familiar with the
> code in question can help? Maybe something got corrupted in the pool or
> metadata as well (you mentioned data loss)?
>
> Specifically, manual and automatic jobs both are failing but the web UI
> works; where the working and failing paths diverge should help dissect
> and pinpoint the error.
>
> Meanwhile, if you have the extra space, another route to take is to
> convert the pool. I mention extra space because I recommend keeping the
> original pool available and instead doing a partition copy of it. On
> this mailing list, there are a few notes about the new tool to convert
> the pool from V3 to V4 - I have not used it myself, though. My thinking
> here is that maybe V4 is better geared for restoring V4 pool files. If
> that is the case and you succeed this way, there is room for improvement
> in the compatibility layers for V3.
>
> Let's see if more people pitch in here, and I'll be back with further
> ideas if I come up with any.
>
> Best regards,
> Johan
>
>
> On 04/25/2017 10:11 AM, Ib H. Rasmussen wrote:
>> Hi Johan,
>>
>> I tried your suggestion of using tarCreate, but with no luck - I keep
>> getting the error "bad backup number" for host.
>>
>> In order to keep it simple, I decided to just make a list of the backup,
>> and leave the tar-part out for a start.
>>
>> it's all run as the backuppc-user (backuppc)
>>
>> I entered: /usr/local/BackupPC/bin/BackupPC_tarCreate -h ihrsrv31 -n -0
>> -s /datard1/documentation -l *
>>
>> and got the error "bad backup number -0 for host ihrsrv31".
>>
>> no matter what I enter as backup number - a direct number like 1189
>> (which is a previous full V3 backup), or a relative number like -0 / -1
>> / -2 as you suggest, I get the bad number error.
>>
>> Have I misunderstood something?
>>
>> Best Regards
>>
>> Ib H. Rasmussen
>>
>>
>> On 04/24/2017 09:14 PM, Johan Ehnberg wrote:
>>> Hi,
>>>
>>>> I can browse and restore single files via the browser, but as it
>>>> concerns about 2TB of data it is some job!!
>>> The tarCreate option can be a doable solution as a one-off since the
>>> rsync route may require more time to set up but web restores work.
>>> Basically it creates a tar that you can pipe back to your restore location:
>>>
>>> BackupPC_tarCreate -h YOURHOSTNAME -n -0 -s / / | tar -x -C /tmp
>>>
>>> Or, more elaborately for a remote host over a slow link running as
>>> another user than backuppc and ensuring all file attributes can be set
>>> when extracting, something like:
>>>
>>> sudo sudo -i -u backuppc /usr/share/backuppc/bin/BackupPC_tarCreate -h
>>> YOURHOSTNAME -n -0 -s / / 2> /dev/null |pv -Cq -B 256 |plzip -1 |ssh
>>> SOMEOTHERHOST -- 'plzip -d | sudo tar -x -C /tmp'
>>>
>>>
>>>> About the syntax for executing the restore from the command-line i'm not
>>>> quite sure, maybe you could elaborate a bit about that (If you still
>>>> think it's worth while).
>>> They are actually documented well in the file itself (it is perl so not
>>> binary, i.e. you can read the file with 'less
>>> /usr/share/backuppc/bin/BackupPC_restore').
>>>
>>> Let us know how this round goes.
>>>
>>> Best regards,
>>> Johan
>>>
>>
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