>> 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
Dieter wrote on Wed, Dec 07, 2005 at 02:05:40PM +:
> I'm trying to turn off the evil data corrupting on-disk write cache.
>
> I added hw.ata.wc=0 to /boot/loader.conf and rebooted.
>
> # sysctl hw.ata.wc
> hw.ata.wc: 0
>
> So far so good. But! atacontrol cap ad4 says:
>
> Feature
I'm trying to turn off the evil data corrupting on-disk write cache.
I added hw.ata.wc=0 to /boot/loader.conf and rebooted.
# sysctl hw.ata.wc
hw.ata.wc: 0
So far so good. But! atacontrol cap ad4 says:
Feature Support EnableValue Vendor
write cache
