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DBMirroring Mirror DB Transaction Status


DBMirroring Mirror DB Transaction Status

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murali.jillellamudi 85871
murali.jillellamudi 85871
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In High safety mode without automatic failover, Principal database waits for the acknowledgement from the mirror database. If changes has been made on the mirror and acknowledgement is sent but it could not reach the principal due to some network/hardware issue , transaction on principal will be rolled back as it could not get acknowledgement . Now what will happen to the data committed on the mirror database ( IN a DR Scenario where no principal is available)

Thanks in advance
Murali
Neeraj Dwivedi
Neeraj Dwivedi
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Mirror will become the Primary.
e4d4
e4d4
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Neeraj Dwivedi (4/29/2013)
Mirror will become the Primary.

No, won't be, and transactions will commit without any errors.
Without a witness, you must failover manually and what is worse even in safety FULL without a witness mode you could lost some data if mirror wasn't synchronized.
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