From: Henrique de Moraes Holschuh Subject: Re: [patch] ext2/3: document conditions when reliable operation is possible Date: Tue, 25 Aug 2009 23:53:52 -0300 Message-ID: <20090826025352.GD14047__2951.11717791787$1251255250$gmane$org@khazad-dum.debian.net> References: <4A9468E8.607@redhat.com> <20090825225114.GE4300@elf.ucw.cz> <4A946DD1.8090906@redhat.com> <20090825232601.GF4300@elf.ucw.cz> <4A947682.2010204@redhat.com> <20090825235359.GJ4300@elf.ucw.cz> <4A947DA9.2080906@redhat.com> <20090826001645.GN4300@elf.ucw.cz> <4A948259.40007@redhat.com> <20090826010018.GA17684@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: Theodore Tso , Ric Wheeler , Pavel Machek , Florian Weimer , Goswin von Brederlow , Rob Landley Received: from out1.smtp.messagingengine.com ([66.111.4.25]:41314 "EHLO out1.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756456AbZHZCxw (ORCPT ); Tue, 25 Aug 2009 22:53:52 -0400 Content-Disposition: inline In-Reply-To: <20090826010018.GA17684@mit.edu> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, 25 Aug 2009, Theodore Tso wrote: > a UPS to your system. Provision your RAID array with hot spares, and > regularly scrub (read-test) your array so that failed drives can be Can we get a proper scrub function (full rewrite of all component disks), please? Not every disk out there will stop a streaming read to rewrite weak sectors it happens to come across. > detected early. Make sure you configure your MD setup so that you get > e-mail when a hard drive fails and the array starts running in > degraded mode, so you can replace the failed drive ASAP. Debian got this right :-) -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh