[DRBD-user] Problem Replication two-primaries

Fabio Pires fabio.pires at gmail.com
Thu Jul 15 18:01:44 CEST 2010

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Hi dear.... I'm new in the list but have a BIG PROBLEM.

I'm use DRDB along time with master and slave but now i necessity configure
DRBD how TWO PRIMARIES.

My drbd servuice is UP and my configurations files aparentily is OK BUT when
make file or directory in any two node the data not replicated.

The output commnad "watch n1 cat /proc/drbd" is bellow

*Every 1.0s: cat
/proc/drbd
Thu Jul 15 12:52:41 2010
version: 8.3.3 (api:88/proto:86-91)
GIT-hash: 49bfeeaf3690ad0b9afd5376feda9e9eb34a30f3 build by nobody at homer,
2010-07-02 00:25:21
 0: cs:Connected ro:Primary/Primary ds:UpToDate/UpToDate C r----
    ns:40 nr:36 dw:76 dr:440 al:2 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0
*

I make new directory in node1 primary, the directory is created but NOT
replicate to node2 primary, and contrariwise.

I execute step bellow and two nodes.

01 - drbdadm -- --overwrite-data-of-peer primary mysqldb
02 - mount /dev/drbd0 /var/lib/mysql
In node1 primary
03 - mkdir teste

After command the directory teste is not replicated in node2 primary.

Please Help me ....

Best Regards.





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