Date: Mon, 20 Dec 2010 15:29:30 -0800 From: Chuck Swiger <cswiger@mac.com> To: Alexander Best <arundel@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: two ata write chaching request Message-ID: <3B3E7B72-C7C6-46F4-9DD9-0D82194FE068@mac.com> In-Reply-To: <20101220231005.GA68477@freebsd.org> References: <20101220231005.GA68477@freebsd.org>
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On Dec 20, 2010, at 3:10 PM, Alexander Best wrote: > 1) write caching to be turned on and off for individual hdds > (i.e. hw.ata.X.wc) and > 2) to be able to turn write chaching on and off on the fly. NetBSD's dkctl allows one to enable and disable read or write caches on a per-device basis, on the fly. Presumably atacontrol or whatever the new ada / ACHI driver uses for control would be the FreeBSD equivalent.... Regards, -- -Chuck
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