Date: Sat, 13 Dec 1997 19:59:17 +1030 From: Mike Smith <mike@smith.net.au> To: Mike Smith <mike@smith.net.au> Cc: bgingery@gtcs.com, hackers@FreeBSD.ORG Subject: Re: blocksize on devfs entries (and related) Message-ID: <199712130929.TAA02140@word.smith.net.au> In-Reply-To: Your message of "Sat, 13 Dec 1997 19:18:36 %2B1030." <199712130848.TAA01888@word.smith.net.au>
next in thread | previous in thread | raw e-mail | index | archive | help
Replying to myself. *sigh* It's the hair on my palms, I swear. > > 3. If at the controller level it is possible to concatinate > > or RAID join devices, that information needs to be stored > > for the device. If this is intrinsic to the device driver > > or the physical device - no matter. > > This is not useful. An upper layer should not care whether the extent > it is consuming is a concatenation of extents. This is an issue for > management tools, which should have an OOB technique for recovering > structure information. Of course, this is not true in anything other than the naive case. An upper layer may well want to take advantage of, or precautions in light of, the construction of the extent(s) with which it is presented. Sorry about that. mike
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199712130929.TAA02140>