Date: Mon, 04 Dec 2006 12:27:46 +0000 From: Dieter <freebsd@sopwith.solgatos.com> To: mjacob@freebsd.org Cc: freebsd-bugs@freebsd.org, freebsd-gnats-submit@freebsd.org Subject: Re: kern/106340: Need to control disk write cache on per-disk basis Message-ID: <200612042027.UAA19998@sopwith.solgatos.com> In-Reply-To: Your message of "Mon, 04 Dec 2006 10:51:18 PST." <20061204104730.H15778@ns1.feral.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <20061204104730.H15778@ns1.feral.com>, mjacob@freebsd.org writes: > > FreeBSD only allows setting disk write cache mode on a system wide basis, > > and only at boot time. NetBSD allows setting the disk write cache mode > > of each disk individually, and does not require a reboot. See the NetBSD > > dkctl(8) man page. > > Which disks are you talking about? ATA disks? Yes, SATA disks. > For scsi disks you can do modepage edits via camcontrol that change it > on a per-disk basis, so I assume you must be talking about ATA disks > here, in which case it sounds like a simple addition to atacontrol(8). I did find camcontrol, but the only drive that shows up in camcontrol devlist is the PATA CD/DVD drive. This system doesn't have any real SCSI drives.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200612042027.UAA19998>