> > > > I use a Seagate 320 gig ES SATA drive. This is a 3 Gb/sec drive BUT - it was > > shipped with a jumper installed limiting it to half that rate, and this rate > > is in any case a very optimistic one. Using hdparm as suggested consistently > > gives me 78 MB/sec. That seems to be as good as it gets. Also this is a very > > artificial figure, I have an old (about ten years) 9 gig SCSI drive that does > > about half that. It seems that the recent addition of NCQ to SATA drives > > makes more of an improvement in heavily loaded scenarios but quantifying this > > is not simple or unambiguous. I want to try reconfiguring this setup in raid > > 0 but won't be able to do so for a while. I know that another recent Seagate > > drive, their 400G ATA gives transfer rates using hdparm -tT of about 50 > > MB/sec. > > > > > There appears to be something wrong with hdparm on my computer. It only > does this with all the various -tT and such: > > [root@k5di /]# hdparm -iItT > > hdparm - get/set hard disk parameters - version v6.9 > > Usage: hdparm [options] [device] .. try: hdparm -t /dev/sdax and hdparm -T /dev/sdax where x is a or b, etc. ======================================================================= Whoever dies with the most toys wins. ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx
