[DRBD-user] [SOLVED] lost connection on node3 when switching over from node1 to node2

Pierre LEBRECH pierre.lebrech at laposte.net
Wed Aug 5 12:08:00 CEST 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Arrgh!

The IP in drbd.conf for node3 was wrong on 2 nodes!


Pierre LEBRECH a écrit :
> hello,
> 
> when I switch over HA services from node1 to node2, node3 looses its connection. But nearly 10 seconds later, it
> reconnects automatically.
> 
> Is it normal?
> 
> 
> 
> 
> 
> context : 3-node cluster, every node connected, HA services on node1, DRBD version 8.3.2 on linux 2.6.30.
> 
> 
> 
> 
> 
> 
> here is the drbd.conf file :
> 
> global {
>     usage-count yes;
> }
> common {
>   syncer { rate 10M; }
>   net {
>     max-buffers 40000;
>   }
> }
> 
> resource r0 {
>   protocol C;
>   handlers {
>     pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt -f";
>     pri-lost-after-sb "echo o > /proc/sysrq-trigger ; halt -f";
>     local-io-error "echo o > /proc/sysrq-trigger ; halt -f";
>   }
>   startup {
>     wfc-timeout  0;
>     degr-wfc-timeout 120;
>   }
>   disk {
>     on-io-error   detach;
>   }
>   net {
>     after-sb-0pri disconnect;
>     after-sb-1pri disconnect;
>     after-sb-2pri disconnect;
>     rr-conflict disconnect;
>   }
>   syncer {
>     rate 90M;
>     al-extents 128;
>     csums-alg md5;
>   }
> 
>   on node1 {
>       device     /dev/drbd0;
>       disk       /dev/md2;
>       address    10.0.0.1:7788;
>       meta-disk  /dev/md1 [0];
>   }
>   on node2 {
>       device     /dev/drbd0;
>       disk       /dev/md2;
>       address    10.0.0.2:7788;
>       meta-disk  /dev/md1 [0];
>   }
> }
> 
> resource r0-U {
>   protocol C;
> 
>   syncer {
>     csums-alg md5;
> 	rate 5M;
>   }
> 
>   stacked-on-top-of r0 {
>     device    /dev/drbd1;
>     address   192.168.2.15:7788;
>   }
> 
>   on node3 {
>     device    /dev/drbd1;
>     disk      /dev/md2;
>     address   192.168.2.14:7788;
>     meta-disk internal;
>   }
> 
> 
> }
> 
> 
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