On Wed, Jan 04, 2006 at 11:00:38AM -0500, Ian Westmacott wrote: > The WAL is a 2-spindle (SATA) RAID0 with its own controller (ext3). > The tables are on a 10-spindle (SCSI) RAID50 with dual U320 > controllers (XFS). This is overkill for writing and querying the data, > but we need to constantly ANALYZE and VACUUM in the > background without interrupting the inserts (the app is 24x7). The > databases are 4TB, so these operations can be lengthy. How come you're using RAID50 instead of just RAID0? Or was WAL being on RAID0 a typo? -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
