SQL Server HA-DR for mirroring , How to recover mirroring when...? -

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After the primary server closes, the mirror is the fastest way to recover the database and mode of primary DB in the recovery padding Is not synchronized or in modes?

If the primary is in the recovery , then you do not restart the mirroring only That means you have to use backup to recreate it and then have to reset the mirroring again.

If this is suspended , then in general, if you lose the primary, start using the mirror, and then bring the primary again, then you only To start again: 

  Change the database [your_db] Resume the set partner

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