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myisam_to_galera [2012/07/18 18:58]
root created
myisam_to_galera [2012/07/19 09:52] (current)
root
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   - Create a Galera cluster (it may be a single node cluster).   - Create a Galera cluster (it may be a single node cluster).
-  - Stop all load on the master. +  - Stop all load on MyISAM master. 
-  - Initialize the Galera cluster by performing mysqdump with --skip-create-options - then by default it will create InnoDB tables on the cluster. +  - Initialize the Galera cluster by performing mysqdump with ''--skip-create-options'' - then by default it will create InnoDB tables on the cluster. 
-  - Resume the load to one of the Galera cluster nodes.+  - Resume the load to one of the cluster nodes.
   - Upgrade mysqld on the former master to Galera cluster software (MySQL-wsrep or Percona XtraDB cluster).   - Upgrade mysqld on the former master to Galera cluster software (MySQL-wsrep or Percona XtraDB cluster).
   - Convert the tables to InnoDB on the former master node.   - Convert the tables to InnoDB on the former master node.
-  - Copy grastate.dat file from one of the cluster nodes, and change seqno from -1 to 0 there.+  - Copy grastate.dat file from one of the cluster nodes to the former master, and change seqno from -1 to 0 there.
   - Join the former master to Galera cluster.   - Join the former master to Galera cluster.
 +
 +The downtime will be the time it takes to perform step 3.
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