Personaly I would split into two RAID 1s. One for pg_xlog, one for the rest. This gives probably the best performance/reliability combination. Alex. On 12/10/05, Carlos Benkendorf <carlosbenkendorf@xxxxxxxxxxxx> wrote: > Hello, > > I would like to know which is the best configuration to use 4 scsi drives > with a pg 8.1 server. > > Configuring them as a RAID10 set seems a good choice but now I´m figuring > another configuration: > SCSI drive 1: operational system > SCSI drive 2: pg_xlog > SCSI drive 3: data > SCSI drive 4: index > > I know the difference between them when you analyze risks of loosing data > but how about performance? > > What should be better? > > Obs.: Our system uses always an index for every access.. > (enable_seqscan(false)) > > Thanks in advance! > > Benkendorf > > ________________________________ > Yahoo! doce lar. Faça do Yahoo! sua homepage. > >