I came into possession of a couple of SATA disks which appear to have
their write caches disabled. 'atactl wdN identify' reports, in part:
[...]
Device supports following standards:
ATA-1 ATA-2 ATA-3 ATA-4 ATA-5 ATA-6 ATA-7
Command set support:
READ BUFFER command (enabled)
WRITE
On Thu, Aug 10, 2017 at 08:29:19AM -0500, John D. Baker wrote:
> I came into possession of a couple of SATA disks which appear to have
> their write caches disabled. 'atactl wdN identify' reports, in part:
You're probably looking for dkctl(8)'s getcache and setcache.
Jonathan Kollasch
On Thu, 10 Aug 2017, Jonathan A. Kollasch wrote:
> You're probably looking for dkctl(8)'s getcache and setcache.
Thanks! That was it. (too many XXXctl tools...)
Now to see if that makes a difference. (There's still the possibility
of OEM-crippled firmware making it misbehave unless it gets th
On Thu, 10 Aug 2017, John D. Baker wrote:
> Now to see if that makes a difference. (There's still the possibility
> of OEM-crippled firmware making it misbehave unless it gets the secret
> handshake from the OEM's RAID controller.)
That helped and sped up the write by a factor of 8.73.
The cach
jdba...@mylinuxisp.com ("John D. Baker") writes:
>I'd like to use them as ordinary disks, so having the write caches
>enabled would be nice. Is there any way to do that with tools in
>base?
dkctl wd0 setcache rw
--
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Michael van Elst
Internet: mlel...@serpens
On Wed, Aug 9, 2017 at 5:19 PM, Greg Troxel wrote:
> I have been using xen, with the packages from pkgsrc, on NetBSD since
> 2005ish. It has been totally solid. Any semi-recent AMD or Intel
> processor will be fine. See the xen howto for more discussion:
>
> https://wiki.netbsd.org/ports/xen/ho
