>> So hw.ata.wc thinks that the disk write cache is off, >> but atacontrol cap thinks the disk write cache is on?
> I remember this is working but there was a reporting problem > in atacontrol. Looks like "atacontrol cap" reports the state of the disk *before* hw.ata.wc took effect. It would be less confusing if "atacontrol cap" reported the state of the disk at the time atacontrol is run. > You should easily be able to tell whether it is on or off by the > write performance. It should plummet by a factor of 4 or so. I'm seeing only ~10% of the performance I get with the write cache on. Which leads to: Feature Support Enable Value Vendor Native Command Queuing (NCQ) yes - 31/0x1F Where is the knob to turn on NCQ? My controller and disks claim to support it, but grepping the 6.0 man pages finds nothing. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"