Date: Tue, 30 Mar 2004 21:19:58 -0800 From: "Nick Twaddell" <nick@webspacesolutions.com> To: <freebsd-scsi@freebsd.org> Subject: Raid drive speeds Message-ID: <20040331052015.B0CCC43D45@mx1.FreeBSD.org>
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I just connected to maxtor atlas 15k 73gig drives to my adaptec 2120S controller. On boot this is what it says pass0: <F6C6OR ATLAS15K_73SCA DSE2> Fixed unknown SCSI-3 device pass0: 160.000MB/s transfers (80.000MHz, offset 127, 16bit) pass1 at aacp0 bus 0 target 1 lun 0 pass1: <8737OR ATLAS15K_73SCA DP60> Fixed unknown SCSI-3 device pass1: 26.400MB/s transfers (64bit) Why does it say one drive is 160MB transfers, and the other is 26.400MB transfers. Both drives are ultra320 and they seem to show up as ultra320 in the adaptec bios? Thanks Nick ---------------------------------------------------------------------------- -------- Nick Twaddell Web Space Solutions Ph: (805) 704-4038 Fx: (805) 434-2477
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