Alex Turner wrote: > Of course not counting the Western Digital Raptor SATA drive, which > are priced more like SCSI drives also, and have many of the features > of a SCSI drive including NCQ > Well, the PDF talks about several aspects of server drives, including concurrency, performance, and reliability. Not cutting corners to save money in these areas are features for server drives. --------------------------------------------------------------------------- > Alex > > On 10/28/05, Bruce Momjian <pgman@xxxxxxxxxxxxxxxx> wrote: > > Andrus wrote: > > > >> QUANTUM FIREPALLP LM20.5 is a widely used ATA IDE drive. > > > >> > > > >> Where do find information does it implement write caching properly or not > > > >> ? > > > > > > > > I don't think the manufacturers bother to make this sort of information > > > > available. > > > > > > > >> Is there IDE drive compatibility list for Postgres ? > > > > > > > > No - for the reason above (amongst oghers). > > > > > > Richard, thank you. > > > Classification of IDE drives into good and bad ones requires knowing *at > > > least one* good and bad model. > > > > > > Can you write one good and bad IDE drive models, please? > > > > > > Knowing those models before buying is huge step forward for perventing > > > database corruption in desktop computers. > > > > The bottom line is that IDE are desktop drives, not designed for high > > concurrency. Read this for details: > > > > http://www.seagate.com/content/docs/pdf/whitepaper/D2c_More_than_Interface_ATA_vs_SCSI_042003.pdf > > > > -- > > Bruce Momjian | http://candle.pha.pa.us > > pgman@xxxxxxxxxxxxxxxx | (610) 359-1001 > > + If your life is a hard drive, | 13 Roberts Road > > + Christ can be your backup. | Newtown Square, Pennsylvania 19073 > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 6: explain analyze is your friend > > > -- Bruce Momjian | http://candle.pha.pa.us pgman@xxxxxxxxxxxxxxxx | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings