Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Francis SOUYRI wrote:
> Hello Florian,
>
> I do not remove the comments because I am not the only engineer
> that manipulate the cluster and unfortunately the others do not "know"
> Drbd so the comments may help us.
>
> In attachment you have a new config file, but actually I can not validate.
>
> I want a "no limit" syncer parameter, so in drbd "no limit" = max =
> 700MB/s no ?
> My network dedicated to drbd is 2x1Gb/s this is less than 700MB/s okay
> but I can use 2x10Gb/s link (approx 2500MB/s) and a BIG backend.
What kind of storage back end do you have, that writes/reads that faster?
Yes, this limitation it's weird! :D
Good luck.
>
> I have the same problem with the 8.2.1, the 0.7.x see the metadata but
> the 8.2.x no... in attachment you have the output.
>
> Best regards.
>
> Francis
>
> Florian Haas wrote:
>> Francis,
>>
>> in case you're wondering why this list is being quiet about your issue, let me
>> guess it's a least partly because you haven't exactly made it easy for us to
>> even understand what's going on.
>>
>> To illustrate, only to glean the differences between your 0.7.24 and your
>> 8.2.0 config, I had to do this:
>>
>> unzip drbd.conf.zip
>> for ver in 0.7.24 8.2.0; do
>> # strip comments, empty lines
>> grep -Ev "(^[[:space:]]*#)|(^$)" drbd.conf.$ver > drbd.conf.$ver.clean
>> done
>> diff --side-by-side drbd.conf.0.7.24.clean drbd.conf.8.2.0.clean | less
>>
>>
>> OK, Lars probably has a way shorter regexp for that grep, but you get the
>> picture. :-) But even after running it through that cruft, I'm having real
>> difficulty reading your config because your protocol option, and your disk,
>> handlers, syncer, startup, and net sections are configured on the resource
>> level -- and appear to be _exactly_ the same for every single resource.
>>
>> You really need to set all of that once in the "common" section rather than
>> per resource; it will make your config a lot less verbose and much easier to
>> read. And everyone on this list is more likely to scan through 130 lines of
>> plain text config than through 677 hidden away in a zip archive, hint
>> hint. :-)
>>
>> At first glance I can see that your syncer rate is way off at 700MB/s. I
>> highly doubt that your network is even coming close to that throughput. But
>> that's unrelated to the metadata conversion issue you appear to be having.
>>
>> So, two suggestions:
>> - Skip 8.2.0 and go straight to 8.2.1. This is because of the nasty null
>> pointer dereference bug we had in 8.2.0 due to a change in the kernel crypto
>> API.
>> - Fix your config. Use the common section as intended, remove the "skip {}"
>> section included in the default config for illustrative purposes, remove
>> empty lines and comments, and re-post if your issue persists on 8.2.1.
>>
>> Cheers,
>> Florian
>>
>> On Tuesday 13 November 2007 08:26:43 Francis SOUYRI wrote:
>>
>>> Hello,
>>>
>>> Lars, Phillip, Florian, do you have an idea why the 0.7.x find the
>>> metadata magic number of the resource and the 8.2.x do not ?
>>>
>>> Best regards.
>>>
>>> Francis
>>>
>>
>> --
>> : Florian G. Haas
>> : LINBIT Information Technologies GmbH
>> : Vivenotgasse 48, A-1120 Vienna, Austria
>> _______________________________________________
>>
--
Igor Neves <igor.neves at 3gnt.net>
3GNTW - Tecnologias de Informação, Lda
sip igor at 3gnt.net jid igor at jabber.3gnt.org
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