Hi Lynn,

Well if the monetdbd process is running which manages all of connections to your schemas if a schema crashes from a user request / query it will restart that schema.

to stop a schema you run 

sudo monetdb stop schemaname 

however if there is a user request that will be restarted.

However your sudo monetdbd stop /local/monetdb/dbfarmBL

Should have stopped everything and there shouldn't be anything listening to invoke that restart procedure.

With the reboot maybe an init script started with monetdbd process.

However this message i don't understand.

2017-01-27 07:55:50 ERR merovingian[15395]: fatal startup condition encountered, aborting startup

Regards,

Brian Hood

 

On Mon, Jan 30, 2017 at 3:39 PM, Lynn Carol Johnson <lcj34@cornell.edu> wrote:
Hi Brian -

The machine was rebooted in the evening, which should have killed all processes..  The next morning I tried starting monetdbd but got error messages. 

When doing a grep for monet we found this:  ( I have the command/result saved in an email !)

[root@cbsudc01 bin]# ps -ef | grep monet

root     14286     1  0 07:53 ?        00:00:26 /usr/bin/mserver5 --dbpath=/local/monetdb/dbfarmBL/maizeFullGenomeDB --set merovingian_uri mapi:monetdb://cbsudc01:50000/maizeFullGenomeDB --set mapi_open false --set mapi_port 0 --set mapi_usock /local/monetdb/dbfarmBL/maizeFullGenomeDB/.mapi.sock --set monet_vault_key /local/monetdb/dbfarmBL/maizeFullGenomeDB/.vaultkey --set gdk_nr_threads 24 --set max_clients 64 --set sql_optimizer default_pipe --set monet_daemon yes


Once we killed pid 14286 I was able to start the daemon.  Looks like this process was started that morning.  Could the monetdb process above have gotten started via a user request, but hung before the monetdbd was successfully started?  Or is this message related to the monetdbd start request I used. 

Lynn

From: users-list <users-list-bounces+lcj34=cornell.edu@monetdb.org> on behalf of Brian Hood <brianh6854@googlemail.com>
Reply-To: Communication channel for MonetDB users <users-list@monetdb.org>
Date: Saturday, January 28, 2017 at 10:23 AM
To: Communication channel for MonetDB users <users-list@monetdb.org>

Subject: Re: problem stopping/starting monetdbd

Hi Lynn,

What kind of bad process out of interest as it binds the TCP & UNIX socket then dies with no real explanation ?

Where some files lock by of another process ?

Regards,

Brian Hood

On Fri, Jan 27, 2017 at 5:51 PM, Lynn Carol Johnson <lcj34@cornell.edu> wrote:
Thanks for your responses.  We found the problem.  There was a bad process
running we needed to kill, then all got cleaned up and we’re good.

I appreciate your help - Lynn

On 1/27/17, 10:30 AM, "users-list on behalf of Anderson, David B "
<users-list-bounces+lcj34=cornell.edu@monetdb.org on behalf of
david.b.anderson@citi.com> wrote:

>Netstat should let you know if the port is in use. I don't remember the
>exact syntax. . .
>
>-----Original Message-----
>From: users-list
>[mailto:users-list-bounces+david.b.anderson=citi.com@monetdb.org] On
>Behalf Of Lynn Carol Johnson
>Sent: Friday, January 27, 2017 10:25 AM
>To: Communication channel for MonetDB users
>Subject: Re: problem stopping/starting monetdbd
>
>Thanks Dave.
>
>I read through the link below.  The debugger is attached after the daemon
>is running.  But I can¹t get to this stage - I am unable to get the daemon
>running.  The problem seems to be with attaching to port 50000.   From the
>log below:
>
>binding to datagram socket port 50000 failed: no available address
>
>
>Could there be a UNIX socket issue I should investigate?
>
>
>On 1/27/17, 10:16 AM, "users-list on behalf of Anderson, David B "
><users-list-bounces+lcj34=cornell.edu@monetdb.org on behalf of
>david.b.anderson@citi.com> wrote:
>
>>Lynn,
>>
>>Since you are getting a SIGTERM with limited error messages, you may
>>need to start the crashing process in gdb to get a stack trace. That
>>should help isolate the problem.
>>
>>https://urldefense.proofpoint.com/v2/url?u=https-3A__www.monetdb.org_Do
>>cumentation_UserGuide_Debugging&d=DQIFAw&c=j-EkbjBYwkAB4f8ZbVn1Fw&r=8_G
>>Yjk1edsyLJlNaxMxYxBJsviF3JXYvwDK42uy5KWU&m=XI4qWt-5aWPNqmG6nuyIr8bIXTGV
>>-oUAKTa8GbKzAgA&s=c3g7TTz6YMyy7YBSLKcunNheDve8f9fUcIeC9gxpzh0&e=
>>
>>Dave
>>
>>
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