Date: Wed, 18 Jan 2006 17:14:29 -0700 From: dlm-fb@weaselfish.com To: freebsd-current@freebsd.org Subject: Re: [PATCH] Support for large number of md(4) disks Message-ID: <200601190014.k0J0EUB27323@green-dome.village.org> In-Reply-To: Your message of Wed, 18 Jan 2006 08:28:04 GMT
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"Wojciech A. Koszek" <dunstan@freebsd.czest.pl> wrote: : [1] cases in which total device number will change are as probable as : using more than 100 md(4) disks ;-) This is why I decided to use simple : request for a size and to do a request for md(4) list. FWIW, to address the implicit ``no one would ever ....'' My employer is currently planning on using several hundred (or more) md disks at a time in an upcoming project. We don't need to have all of the md devices immediately available at boot, so fsck'ing the relatively-small filesystems on them on demand would be much more attractive than doing a single multi-terabyte check up front would be. For various reasons, soft updates aren't a viable option for us right now, so background fsck doesn't help. Dworkin
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