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Failover Problem


Failover Problem

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shohelr2003
shohelr2003
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Dear,

I have configured mirroring with high safety without automatic failover mode. For testing purpose I want to failover between Principal and Mirror. Say, Principal server gets down. Now I want to switch role of Mirror to Principal. But how? Please let me know.

Imagine, Mirror is now Principal and former Principal Server is live again. At this time I want that former Principal takes the role of Principal and start functioning. But how? please let me know.


Regards,
Akbar
Gazareth
Gazareth
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Run this on whichever is the principle at the time:
ALTER DATABASE dbname SET PARTNER FAILOVER

They'll need to be synchronized first though.
shohelr2003
shohelr2003
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Actually my Principal server got down. It will take some hours to be ok. That's why I have to use Mirror database to run my application. In Mirror database it is stated as myDB (Mirror, Disconnected/ In Recovery). But I configured mirroring with high safety without automatic failover mode. So I have to make Mirror as Principal. But how?

I can't do it. Please help me.
Perry Whittle
Perry Whittle
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If the principal is down and you want to bring the mirror up you will need to force service using


ALTER DATABASE mydb SET PARTNER FORCE_SERVICE_ALLOW_DATA_LOSS



-----------------------------------------------------------------------------------------------------------

"Ya can't make an omelette without breaking just a few eggs" ;-)
Gazareth
Gazareth
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Apologies, misread the question. Perry's command is what you need.
shohelr2003
shohelr2003
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Thank you, Sir. Actually Perry's command worked for me.
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