From: | "Ragnar Heil" <Ragnar(dot)Heil(at)fast(dot)no> |
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To: | <pgsql-general(at)postgresql(dot)org> |
Subject: | Fault Tolerance & Master-master-Replication Solution needed |
Date: | 2007-11-30 20:05:38 |
Message-ID: | 17719C29A1A2CE4BAC31C926C01DD0DD01C51C2F@OSLEX01.ad.fast.no |
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Lists: | pgsql-general |
Hi,
I am searching for a Fault Tolerance & Master-master-Replication
Solution which fulfills these requirements
Req1) Master master replication supported, not only master / slave
replication with only the master being
writable. If you do have multiple slave systems they are only useful
from a backup and standby perspective.
Ad Mo must have a db-connection it can write to.
Req2) A plan is needed for deploying changes on the database structure.
What needs to be done to apply a
change saved into a live db environment?
Req3) Not only a warm-standby-solution is needed which is not scalable.
Load Balancing is wanted for the
future.
Do you have experience with Cybercluster or Continuent uni/cluster?
Sounds very promising.
best regards
Ragnar
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