From mboxrd@z Thu Jan 1 00:00:00 1970 From: michael chang Subject: Re: reiserFS error Date: Wed, 28 Sep 2005 15:37:45 -0400 Message-ID: References: <020a01c5c43e$d4dee100$e432a8c0@ds.ig.com.br> Reply-To: michael chang Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <020a01c5c43e$d4dee100$e432a8c0@ds.ig.com.br> Content-Disposition: inline List-Id: Content-Type: text/plain; charset="us-ascii" To: Augusto Cc: reiserfs-list@namesys.com On 9/28/05, Augusto wrote: > I have a Raid 5 format in reiserfs with kernel 2.6.13 I lost 2 hard disk = of > raid for the controller I obtained to force 1 of hard disk it filesystem Raid 5 only stores one backup of data with parity, upon the loss of two disks, valueble data (e.g. metadata?) may be lost, and this is not recoverable. In the future, if there is a high chance of losing two disks at the same time, use RAID 6 (I think - it's the one that stores double parity). For now, try and recover data from one disk... maybe SpinRite (grc.com,$50) will do the trick, or a professional data recovery service, then rebuild the tree in RAID. -- ~Mike - Just my two cents - No man is an island, and no man is unable.