Procedure for backups with replication
Hi,
I am running a dual-master, and I am wondering if anyone has a valid procedure for running a full backup of the servers. Mainly, what I can't figure out is if flushing the tables with a read lock will stop replication so I can purge the binlogs.
As far as I can tell, here's a valid procedure:
1. On Master 1, flush tables with read locks.
2. Check the staus of the slave for Master 2.
3. Perform a full backup of Master 1.
4. Purge binlogs of Master 1 up to the last binlog for the slave on Master 2.
5. Unlock Master 1.
Now, the problem with this is that if there is a failure in the future, the position of Master 2 in Master 1's binlogs will be in the middle (so I'd have to manually store the position in case Master 2 never came back online).
The only other solution I can think of is to lock both databases, and wait until replication finishes, then do a full backup and reset the masters.
Does anyone have suggestions?
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Procedure for backups with replication
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November 03, 2005 07:21PM
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