Date: Thu, 22 Jun 2006 15:18:11 +0300 From: Volodymyr Kostyrko <arcade@synergetica.dn.ua> To: Ade Lovett <ade@FreeBSD.org> Cc: freebsd-scsi@FreeBSD.org Subject: Re: ahd(4) poor performance Message-ID: <449A8A83.3080904@synergetica.dn.ua> In-Reply-To: <76C07392-F747-416A-9F59-1AAB20DC5842@FreeBSD.org> References: <4499B748.6040805@synergetica.dn.ua> <76C07392-F747-416A-9F59-1AAB20DC5842@FreeBSD.org>
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Ade Lovett wrote: >> Hi all. >> >> I have: >> >> ahd0: <Adaptec (Dell OEM) 39320 Ultra320 SCSI adapter> port >> 0xdc00-0xdcff,0xd800-0xd8ff mem 0xdfbfe000-0xdfbfffff irq 66 at device >> 7.0 on pci3 > > [snip] > > What disks are you using on the controller chain? da0 at ahd0 bus 0 target 0 lun 0 da0: <SEAGATE ST373307LW DS09> Fixed Direct Access SCSI-3 device da0: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da0: 70007MB (143374650 512 byte sectors: 255H 63S/T 8924C) da1 at ahd0 bus 0 target 1 lun 0 da1: <SEAGATE ST373207LW D702> Fixed Direct Access SCSI-3 device da1: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da1: 70007MB (143374650 512 byte sectors: 255H 63S/T 8924C) cd0 at ata0 bus 0 target 0 lun 0 cd0: <TEAC CD-224E K.9A> Removable CD-ROM SCSI-0 device cd0: 3.300MB/s transfers cd0: Attempt to query device size failed: NOT READY, Medium not present > camcontrol devlist -v output would be useful scbus0 on ahd0 bus 0: <SEAGATE ST373307LW DS09> at scbus0 target 0 lun 0 (pass0,da0) <SEAGATE ST373207LW D702> at scbus0 target 1 lun 0 (pass1,da1) < > at scbus0 target -1 lun -1 () scbus1 on ahd1 bus 0: < > at scbus1 target -1 lun -1 () scbus2 on ata0 bus 0: <TEAC CD-224E K.9A> at scbus2 target 0 lun 0 (pass2,cd0) < > at scbus2 target -1 lun -1 () scbus3 on ata1 bus 0: < > at scbus3 target -1 lun -1 () scbus-1 on xpt0 bus 0: < > at scbus-1 target -1 lun -1 (xpt0) -- [WBR], Arcade.
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