I have put together a little head to head performance of a 15k SCSI, 10k SCSI 10K SATA w/TCQ, 10K SATA wo/TCQ and 7.2K SATA drive comparison at storage review
http://www.storagereview.com/php/benchmark/compare_rtg_2001.php?typeID=10&testbedID=3&osID=4&raidconfigID=1&numDrives=1&devID_0=232&devID_1=40&devID_2=259&devID_3=267&devID_4=261&devID_5=248&devCnt=6 It does illustrate some of the weaknesses of SATA drives, but all in all the Raptor drives put on a good show. Alex Turner netEconomist On 4/14/05, Alex Turner <[EMAIL PROTECTED]> wrote: > I have read a large chunk of this, and I would highly recommend it to > anyone who has been participating in the drive discussions. It is > most informative!! > > Alex Turner > netEconomist > > On 4/14/05, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > Greg, > > > > I posted this link under a different thread (the $7k server thread). It is > > a very good read on why SCSI is better for servers than ATA. I didn't note > > bias, though it is from a drive manufacturer. YMMV. There is an > > interesting, though dated appendix on different manufacturers' drive > > characteristics. > > > > http://www.seagate.com/content/docs/pdf/whitepaper/D2c_More_than_Interface_ATA_vs_SCSI_042003.pdf > > > > Enjoy, > > > > Rick > > > > [EMAIL PROTECTED] wrote on 04/14/2005 09:54:45 AM: > > > > > > > > Our vendor is trying to sell us on an Intel SRCS16 SATA raid controller > > > instead of the 3ware one. > > > > > > Poking around it seems this does come with Linux drivers and there is a > > > battery backup option. So it doesn't seem to be completely insane. > > > > > > Anyone have any experience with these controllers? > > > > > > I'm also wondering about whether I'm better off with one of these SATA > > raid > > > controllers or just going with SCSI drives. > > > > > > -- > > > greg > > > > > > > > > ---------------------------(end of broadcast)--------------------------- > > > TIP 8: explain analyze is your friend > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 9: the planner will ignore your desire to choose an index scan if your > > joining column's datatypes do not match > > > ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
