Hi, On 2 November 2011 02:00, Debasis Mishra <debasis1982@xxxxxxxxx> wrote: > Thanks a lot for your replay. I just wanna know whether it is required for > me to run initdb or setting the PGDATA environment variable is enough? Master needs to be properly initialised & configured - install postgres - run initdb - install your application schema,... - point $PGDATA to SAN volume Secondary: - install Postgres - point $PGDATA to SAN volume (volume is mounted on primary!) During failover clustering software has to: - shutdown primary (usually: STONITH (Shoot The Other Node In The Head) aka fencing) - mount SAN volume on secondary - startup postgres on secondary -- Ondrej Ivanic (ondrej.ivanic@xxxxxxxxx) -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general