\ >> Is the SAN being shared between the database servers and other >> servers? Maybe >> it was just random timing that gave you the poor write performance on >> the old >> server which might be also yielding occassional poor performance on >> the new >> one. >> > > The direct attached scsi discs on the old database server we getting > 45MBps not the SAN. The SAN got 62/145Mbps, which is not as bad. How many spindles you got in that SAN? We > have 4 servers on the SAN each with it's own 4 GBps FC link via an FC > switch. I'll try and re-run the numbers when the servers are idle > this weekend. > > Alex > -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/ Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate PostgreSQL Replication: http://www.commandprompt.com/products/