[DRBD-user] Connection Breaks Between Primary And Secondary Node

Qwerty-1 umakantgoyal1 at gmail.com
Tue Mar 23 11:05:37 CET 2010

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

Hi All,

I have linux-HA set up with two nodes running in Active/Standby Mode. To
Replicate the data, i am using DRBD. With this architecture, i am facing
strange problem. TCP Connection between active and stanby nodes break very
frequently. To re-establish the connection, i tried to use commans drbdadm
connect all on both Active and Stand by node. But this did not work me. To
get it workable i always need to restart the standby node. When i restart
the Standby node, all works well. But after some time it cat /proc/command
shows on both of the system. Here i am showing output of Standby node:

0: cs:WFConnection st:Secondary/Unknown ld:Inconsistent
    ns:25524 nr:1950788 dw:1976312 dr:49 al:12 bm:133 lo:0 pe:0 ua:0 ap:0
 1: cs:WFConnection st:Secondary/Unknown ld:Inconsistent
    ns:8 nr:1935928 dw:1935936 dr:21 al:1 bm:121 lo:0 pe:0 ua:0 ap:0
 2: cs:WFConnection st:Secondary/Unknown ld:Inconsistent
    ns:8 nr:1956812 dw:1956820 dr:17 al:1 bm:121 lo:0 pe:0 ua:0 ap:0
 3: cs:WFConnection st:Secondary/Unknown ld:Inconsistent
    ns:8 nr:1939224 dw:1939232 dr:21 al:1 bm:121 lo:0 pe:0 ua:0 ap:0

Please let me help to find out the reason for the same.

Thanks in Advance
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