[DRBD-user] V9 res file syntax

[Paul D. O'Rorke]

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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