December 8, 2010 at 5:21 pm
Hi,
today I had the problem, that after a restart of my two mirrored database servers on both servers all databases where in the state "Principal, disconnected, in recovery". So both databases weren't available.
We "fixed" this with "ALTER DATABASE XXX SET PARTNER OFF" to bring the database back online...
Did you ever saw this behaviour and know a better solution than removing the mirroring session from the database?
Thanks in advance!
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December 9, 2010 at 9:05 am
I had this happen once, but when I tried to replicate it in a dev environment to try to trouble shoot it, I could not force it to repeat.
I was in HSHA, mirroring is supposed to prevent split brain issues like this from happening, but that is exactally what I did, recovered one set of databases and re-initialized mirroring.
What is the build version of your 2008 server, sp1, sp2, sp1 & some CU's. There was an issue with the way the transactions were passed along in mirroring that could cause mirroring to enter a suspended state, that was fixed in CU 5 for sp1 that we applied, but this is completely seperate from the issue you are posting about.
If your running SP 2 it would have been fixed in there as well.
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December 9, 2010 at 9:20 am
You should first have looked in your sqlserver errorlog.
- what topology of mirroring were you using ?
- did you have a look at your SQLServer ERRORLOG file ?
- did you find related messages ?
- are you capturing dbmirroring events you all your instances ?
Please post your @@version info.
Johan
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October 4, 2012 at 12:49 pm
Thank you so much, I had stuck production server
October 30, 2012 at 9:45 am
I was helped by the following: DROP\CREATE Mirroring Endpoint on Mirror Serser.
October 31, 2012 at 4:19 am
normally stopping and restarting the endpoints will cure the issue
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