Thu Aug 30 12:12:15 PDT 2007
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Mikko, Thanks for your help. You're correct -- I came from the MySQL world and mixed up the terms schema and database. In my case, A and B are different schemas but they are ALSO in different databases. They are not part of the same DB. With the help of the guys on the IRC channel, I got things working by setting up a different cluster for each DB. Is that the only way to do it? Thanks again. --- Mikko Partio <mpartio at gmail.com> wrote: > On 8/29/07, Karl Hennig <karl_hennig at yahoo.com> wrote: > > > > Hello, > > > > I'm setting up slony to replicate multiple schemas from a single master DB > > to a single slave DB. I successfully got one schema to replicate but am > > having trouble with the second one. > > > > You seem to have mixed up databases and schemas: > > Here's how it's set up: > > DB Server #1 (master): holds schema A and schema B > > DB Server #2 (slave): holds schema A and schema B > > > > Schema A is replicating as expected but nothing is replicated for schema > > B. > > > > I tried modifying the tutorial slonik input to add schema B as follows: > > > > cluster name = $CLUSTERNAME; > > > > node 1 admin conninfo = 'dbname=A host=$MASTERHOST user=$REPLICATIONUSER'; > > > > node 2 admin conninfo = 'dbname=A_slave host=$SLAVEHOST > > user=$REPLICATIONUSER'; > > > > # new nodes 3 and 4 added for schema B > > node 3 admin conninfo = 'dbname=B host=$MASTERHOST user=$REPLICATIONUSER'; > > > > node 4 admin conninfo = 'dbname=B_slave host=$SLAVEHOST > > user=$REPLICATIONUSER'; > > > > Nodes 3 and 4 are not needed since both schemas are in the same database. > > > # init... am I supposed to init a second cluster with the node ID for schema > > B? > > init cluster ( id=1, comment = 'Master Node for A'); > > init cluster ( id=3, comment = 'Master Node for B'); > > > > create set (id=1, origin=1, comment='schema A tables'); > > # I put id=2 and origin=3 because schema B's set should come from node #3 > > create set (id=2, origin=3, comment='schema B tables'); > > > > set add table ( > > set id=1, > > origin=1, > > id=1, > > fully qualified name = 'public.table1', > > comment='table1 in schema A' > > ); > > > > set add table ( > > set id=2, > > origin=3, > > id=1, > > fully qualified name = 'public.table1', > > comment='table1 in schema B' > > ); > > > > Both tables here are at the same schema (public). Just specify the schema in > the set add table, eg. > > set add table ( > set id=1, > origin=1, > id=1, > fully qualified name = 'schemaA.table1', > comment='table1 in schema A' > ); > > and > > > set add table ( > set id=2, > origin=1, > id=2, > fully qualified name = 'schemaB.table1', > comment='table1 in schema B' > ); > > > Regards > > MP > ____________________________________________________________________________________ Need a vacation? Get great deals to amazing places on Yahoo! Travel. http://travel.yahoo.com/
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