From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Greaves Subject: Re: I request inclusion of reiser4 in the mainline kernel Date: Fri, 23 Sep 2005 07:21:25 +0100 Message-ID: <43339EE5.9030202@dgreaves.com> References: <200509182004.j8IK4JNx012764@inti.inf.utfsm.cl> <432E5024.20709@namesys.com> <20050920075133.GB4074@elf.ucw.cz> <20050921000425.GF6179@thunk.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: List-Id: Content-Type: text/plain; charset="us-ascii" To: gmaxwell@gmail.com Cc: Theodore Ts'o , Pavel Machek , Hans Reiser , Horst von Brand , thenewme91@gmail.com, Christoph Hellwig , Denis Vlasenko , chriswhite@gentoo.org, LKML , ReiserFS List Gregory Maxwell wrote: >Very interesting indeed, although it almost seems silly to tackle the >difficult problem of making filesystems highly robust against oddball >failure modes while our RAID subsystem falls horribly on it's face in >the fairly common (and conceptually easy to handle) failure mode of a >raid-5 where two disks have single unreadable blocks on differing >parts of the disk. (the current raid system hits one bad block, fails >the whole disk, then you attempt a rebuild and while reading hits the >other bad block and downs the array). > > who's not keeping up with the linux-raid list then ;) David PS I'm sure assistance would be appreciated in testing and reviewing this few day old feature - or indeed the newer 'add a new disk to the array' feature.