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
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