On 3/8/11 3:34 AM, Felix Frank wrote:
Mar 7 18:31:41 db1 kernel: [ 1186.440928] e1000: eth0 NIC Link is Up
1000 Mbps Full Duplex, Flow Control: RX
root@db1:~#
Shouldn't the two nodes re-establish connectivity?
It looks to me like you need to "drbdadm connect" your primary once
more. It does seem strange, though. What does its proc/drbd say?
Original primary node (I have not touched it since yesterday):
root@db1:~# cat /proc/drbd
version: 8.3.7 (api:88/proto:86-91)
GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by root@db1,
2011-03-07 15:01:39
0: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r----
ns:79451 nr:131104 dw:240977 dr:37649 al:36 bm:20 lo:0 pe:0 ua:0
ap:0 ep:1 wo:b oos:18588
root@db1:~#
Secondary:
root@db2:~# cat /proc/drbd
version: 8.3.7 (api:88/proto:86-91)
GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by root@db2,
2011-03-07 10:22:02
0: cs:WFConnection ro:Secondary/Unknown ds:UpToDate/DUnknown C r----
ns:32 nr:79448 dw:364538 dr:271064 al:8 bm:54 lo:0 pe:0 ua:0 ap:0
ep:1 wo:b oos:0
root@db2:~#
Note I did not set db2 to primary. In fact, I did not touch either of
them. The drdb partition is still mounted in db1 since my test was just
a network down issue as opposite of db1 crashing completely:
root@db1:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 12G 7.2G 3.6G 67% /
none 998M 252K 998M 1% /dev
none 1005M 164K 1005M 1% /dev/shm
none 1005M 88K 1005M 1% /var/run
none 1005M 4.0K 1005M 1% /var/lock
none 1005M 0 1005M 0% /lib/init/rw
/dev/drbd0 494M 120M 349M 26% /mnt/drbd
root@db1:~#
I do not know if that is important but I just want to mention that.
Doing a dbrdadm connect in db1 did not seem to have persuaded it to
reconnect.
root@db1:~# drbdadm connect r0
root@db1:~# cat /proc/drbd
version: 8.3.7 (api:88/proto:86-91)
GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by root@db1,
2011-03-07 15:01:39
0: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r----
ns:0 nr:0 dw:240977 dr:37746 al:36 bm:20 lo:0 pe:0 ua:0 ap:0 ep:1
wo:b oos:18588
root@db1:~# drbdadm role r0
Primary/Unknown
root@db1:~#
Do I also need to do drbdadm -- --discard-my-data connect r0 in db2? I
thought that would be only for split brain situation.
Regards,
Felix
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