Ow Mun Heng wrote: >> You're likely better off (performance-wise) putting it on the same disk >> as the database itself if that one has better RAID, for example. > > I'm thinking along the lines of since nothing much writes to the OS > Disk, I should(keyword) be safe. Unless it's *always* in the cache (not so likely), reads will also move the heads... In the situation you have, I'd put the xlog on the same disk as the data - mainly because it gives you RAID on it in case the disk breaks. //Magnus ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq