[Glass] hot standby problem

Dale Henrichs via Glass glass at lists.gemtalksystems.com
Mon Oct 26 11:44:04 PDT 2015


Otto,

Here's a response from engineering:
> I would delete the existing logsender.log
>
> Add
> export GEMSTONE_SOCKET_DEBUG=1 to the environments before
> startlogsender and startlogreceiver.
>
> and add
> -d
> to the command line of both startlogsender and startlogreceiver.
>
> Then we would like to see the log files again .

Dale

On 10/26/2015 01:48 AM, Otto Behrens via Glass wrote:
> 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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