Date: Fri, 13 Jul 2001 23:59:19 -0700 (PDT) From: Lamont Granquist <lamont@scriptkiddie.org> To: Bruce Burden <brucegb@realtime.net> Cc: <freebsd-stable@freebsd.org> Subject: Re: Regarding New FreeBSD BenchMark From Sysadmin Mag (left out a fiew tuning options) Message-ID: <20010713235530.W12542-100000@coredump.scriptkiddie.org> In-Reply-To: <20010713211922.A8312@tigerfish2.my.domain>
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On Fri, 13 Jul 2001, Bruce Burden wrote: > > Some SCSI drive manufacturers ship their drives > > with WCE enabled. Other SCSI drive manufacturers, who are more > > concerned with data integrity as opposed to performance figures, will > > ship their drives with WCE disabled. > > > I have 3 IBM drives, and the /root drives (U160's) are WCE > enabled. The non-root drive (also happens to be U2W), does not > have WCE enabled. > > Could WCE be a featue of U160? i've got: ahc0: <Adaptec 3960D Ultra160 SCSI adapter> port 0xcc00-0xccff mem 0xefffe000-0xefffefff irq 11 at device 13.0 on pci0 aic7899: Wide Channel A, SCSI Id=7, 32/255 SCBs ahc1: <Adaptec 3960D Ultra160 SCSI adapter> port 0xdc00-0xdcff mem 0xeffff000-0xefffffff irq 10 at device 13.1 on pci0 aic7899: Wide Channel B, SCSI Id=7, 32/255 SCBs and: da0 at ahc0 bus 0 target 0 lun 0 da0: <SEAGATE ST336704LW 0004> Fixed Direct Access SCSI-3 device da0: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged Queueing Enabled da0: 35003MB (71687369 512 byte sectors: 255H 63S/T 4462C) and WCE was = 1 by default, but camcontrol worked to turn it off To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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