[Glass] hot standby problem

Otto Behrens via Glass glass at lists.gemtalksystems.com
Mon Oct 26 01:48:56 PDT 2015


Hi,

We have a hot standby setup with a logsender and logreceiver.

I not getting my standby to receive logs. I list details below. Can
anyone spot why? Any ideas how to debug this?

I suspect my firewall setup may be incorrect. But I do not see
anything being blocked in the logs.

Thanks
Otto

I have 2 machines, one running prod_stone and one running standby_stone.
These machines are on different time zones.
I have a firewall rule on the prod_stone machine to allow connections
from the standby_stone machine, port 50379.
The prod_tranlog directory remains empty on the standby_stone machine.

This is how I start the logsender:

/opt/gemstone/GemStone64Bit3.2.6-x86_64.Linux/sys/gem logsender -s
prod_stone -l /var/log/gemstone/prod_stone/logsender.log -A 0.0.0.0 -P
50379 -T /var/local/gemstone/prod_stone/tranlog

and how I start the logreceiver

/opt/gemstone/GemStone64Bit3.2.6-x86_64.Linux/sys/gem logreceiver -s
standby_stone -l /dev/stdout -A prod_stone -P 50379 -T
/var/local/gemstone/standby_stone/prod_tranlog

Log snippet from logreceiver:

--- 10/26/2015 12:36:25.390 SAST ---
[Info]: Connected to master on 27.131.76.19 using port 50379
[Error]: readCommandResponse error ok 0 timedOut 0, expected 9 bytes got 0,
[Error]: STAT_VERSION getResponse failed
[Info]: Closing connection to master


Log snippet from logsender:

--- 10/26/2015 19:36:14.790 AEDT ---
[Info]: Joining on dataTransmitThread
--- 10/26/2015 19:36:14.791 AEDT ---
[Info]: Joining on fileReadThread
[Info]: Closed network connection to slave
--- 10/26/2015 19:36:14.791 AEDT ---
[Info]: Exited clientCommandReadMain
[Info]: MasterAccept: acceptClient succeeded.
[Info]: StartClientServices for client 0 on localhost
[Info]: Created thread 139800824456960 for dataTransmitThread
[Info]: Started thread dataTransmitThread, threadId 139800824456960 ttid 23168
[Info]: Created thread 139800816064256 for fileReadThread
[Info]: Started thread fileReadThread, threadId 139800816064256 ttid 23169
[Info]: Created thread 139800807671552 for commandReadThread
[Info]: Started thread commandReadThread, threadId 139800807671552 ttid 23170
[Error]: ControlSocket read error,
--- 10/26/2015 19:36:15.810 AEDT ---
[Info]: Joining on dataTransmitThread


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