[DRBD-user] mysql import caused split?

Jeffrey Taylor jeff at ottawahosts.com
Mon Dec 6 15:51:17 CET 2010

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Hi Trent,

Thanks for the help. I really appreciate the response. I've brought both
nodes offline then tried the following scenarios:

Bring HA1 online, keep HA2 offline
Bring HA1 & HA2 online

Upon bringing HA2 back online while keeping HA1 online I get the following
in syslog(nothing else catches my eye as a problem):
Dec  6 09:43:16 ha1 pengine: [16124]: WARN: unpack_rsc_op: Processing failed
op fs_mysql_start_0 on ha1: unknown error (1)
Dec  6 09:43:16 ha1 pengine: [16124]: WARN: common_apply_stickiness: Forcing
fs_mysql away from ha1 after 1000000 failures (max=1000000)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: RecurringOp:  Start recurring
monitor (5s) for ip1 on ha1
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Leave resource
fs_mysql#011(Stopped)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Leave resource
mysql#011(Stopped)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Start ip1#011(ha1)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Start
ip1arp#011(ha1)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Start
fs_webfs#011(ha1)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Start
apache2#011(ha1)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Leave resource
drbd_mysql:0#011(Master ha1)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Leave resource
drbd_mysql:1#011(Stopped)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Leave resource
drbd_webfs:0#011(Master ha1)
Dec  6 09:43:16 ha1 pengine: [16124]: notice: LogActions: Leave resource
drbd_webfs:1#011(Stopped)

The rest is posted here: http://173.255.238.111/log

I'm seeing that there is clearly a problem but I don't know where to go from
here. I am seriously considering wiping my filesystem and continuing from
that point. Would that be more effecient? Thanks again for the help.

On Mon, Dec 6, 2010 at 4:14 AM, Trent Lloyd <lathiat at bur.st> wrote:

> Hi Jeffrey,
>
>
> On 06/12/2010, at 12:43 AM, Jeffrey Taylor wrote:
>
>  Here is the output from crm_mon upon boot:
>
> Failed actions:
>
>     fs_mysql_start_0 (node=ha2, call=26, rc=1, status=complete): unknown
> error
>     fs_mysql_start_0 (node=ha1, call=10, rc=1, status=complete): unknown
> error
>
>  There are some blatant errors, but I'm at a loss after trying several
> techniques covered online. Any help would be greatly appreciated. Thank you.
>
>
> What you really need to do is analyze the logs to see exactly what the
> "unknown" error is - and is this error still happening? Should be in the
> heartbeat logs and/or syslog
>
>
> If you can't find the MySQL start error there - if neither of the nods are
> online now, bring 1 online manually (dont forget filesystems etc) and see if
> MySQL starts - you can check the MySQL error log which is called
> 'hostname.err' and found in the data directory.
>
> Regards,
> Trent
>
>
> _______________________________________________
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> drbd-user at lists.linbit.com
> http://lists.linbit.com/mailman/listinfo/drbd-user
>
>
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