[DRBD-user] V9 res file syntax
Paul D. O'Rorke
paul at tracker-software.com
Fri Oct 8 00:21:30 CEST 2021
Thank you to all who helped me here,
I finally have my three nodes syncing and can breath a little more
freely. Your patience with me as I kept missing what was in front of me
is appreciated.
in gratitude
* Paul O'Rorke*
On 2021-10-07 1:10 p.m., Paul D. O'Rorke wrote:
>
> Thanks Johanne,
>
> indeed this one of three hosts was running 8.4 kernel module, the
> example parses on the other hosts. Thanks for that, I was sure I had
> 9.1 on them all.
>
> Very much appreciated
>
> * Paul O'Rorke*
>
>
> On 2021-10-07 12:59 p.m., johannes at johannesthoma.com wrote:
>> You probably have a DRBD 8 kernel module loaded, then drbdadm parses
>> the configuration in v8 format which doesn't have node-id.
>>
>> Hope that helps,
>>
>> Best regards Johannes
>>
>> Von meinem Huawei-Mobiltelefon gesendet
>>
>>
>> -------- Originalnachricht --------
>> Betreff: Re: [DRBD-user] V9 res file syntax
>> Von: "Paul D. O'Rorke"
>> An: drbd-user at lists.linbit.com
>> Cc:
>>
>>
>> Can I convince anyone to show me a working res file for the V9 3
>> node setup with multiple NICs and direct connections?
>>
>> Try as I may I simply cannot get my res file to parse.
>>
>> I even tried doing it all on the one network as per the first
>> example but I can't even get the examples to parse, a copy/paste
>> of the 3 node example complains that "connection-mesh" in in the
>> wrong place. I figured I would take a working example and go
>> from there but even then I get:
>>
>> drbd.d/webdav.res:7: Parse error: 'disk | device | address |
>> meta-disk | flexible-meta-disk' expected,
>> but got 'node-id'
>>
>> so I can't even seem to get the right structure and I am clearly
>> missing something fundamental here...
>>
>> Does anyone have any suggestions?
>>
>> * Paul O'Rorke*
>>
>>
>> On 2021-10-05 3:13 p.m., Paul D. O'Rorke wrote:
>>>
>>> Hi guys,
>>>
>>> sorry to keep bugging you with this. Can anyone give me a
>>> sample working res file for a 3 node setup with crossover links?
>>>
>>> It says here
>>> https://linbit.com/drbd-user-guide/drbd-guide-9_0-en/#s-drbdconf-conns
>>> <https://linbit.com/drbd-user-guide/drbd-guide-9_0-en/#s-drbdconf-conns>
>>> :
>>>
>>> "If you have got enough network cards in your servers, you can
>>> create direct cross-over links between server pairs. A single
>>> four-port ethernet card allows to have a single management
>>> interface, and to connect 3 other servers, to get a full mesh
>>> for 4 cluster nodes."
>>>
>>> I do, and each of the three nodes can ping the other two nodes
>>> to which they are connect. But I am confused about how/where
>>> their IPs and ports are defined in the .res file. I have
>>> three hosts connected directly via discrete interfaces on each
>>> node.:
>>>
>>> 01 <----> 02 ---- 10.10.1.0/24
>>> 02 <----> 03 ---- 10.10.2.0/24
>>> 01 <----> 03 ---- 10.10.3.0/24
>>>
>>> back to the page is then says this:
>>>
>>> In this case you can specify a different IP address to use the
>>> direct link:
>>>
>>> resource r0 {
>>> ...
>>> connection {
>>> host alice address 10.1.2.1:7010;
>>> host bob address 10.1.2.2:7001;
>>> }
>>> connection {
>>> host alice address 10.1.3.1:7020;
>>> host charlie address 10.1.3.2:7002;
>>> }
>>> connection {
>>> host bob address 10.1.4.1:7021;
>>> host charlie address 10.1.4.2:7012;
>>> }
>>> }
>>>
>>> I assume the ... on line 2 is referring to the previous example
>>> above that, which is:
>>>
>>> resource r0 {
>>> device /dev/drbd1;
>>> disk /dev/sda7;
>>> meta-disk internal;
>>> on alice {
>>> address 10.1.1.31:7000;
>>> node-id 0;
>>> }
>>> on bob {
>>> address 10.1.1.32:7000;
>>> node-id 1;
>>> }
>>> on charlie {
>>> address 10.1.1.33:7000;
>>> node-id 2;
>>> }
>>> connection-mesh {
>>> hosts alice bob charlie;
>>> }
>>> }
>>>
>>> But I keep getting parsing errors no matter where I put that "connection" stanza. drbdadm complains with:
>>>
>>> # drbdadm up webdav
>>> drbd.d/webdav.res:18: Parse error: 'protocol | on | disk | net | syncer | startup | handlers | ignore-on | stacked-on-top-of' expected,
>>> but got 'connection' (TK 282)
>>>
>>> I do apologize if I am again asking a question the answer to which is right in front of my face and I'm not seeing it, but where do the three "connection" statements go? Obviously they don't go where I put them.
>>> What would a complete example of a 3 node V9 with a discrete NIC and cable between each node look like?
>>>
>>> Please and thanks and sorry to be asking such a newb question. :(
>>>
>>> Paul
>>>
>>>
>>>
>>>
>>> _______________________________________________
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>>> drbd-user at lists.linbit.com
>>> https://lists.linbit.com/mailman/listinfo/drbd-user
>>
>
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