From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.12.11.20060308/8.11.6) with ESMTP id k3MG3elG015221 for ; Sat, 22 Apr 2006 12:03:40 -0400 Received: from orca.ele.uri.edu (orca.ele.uri.edu [131.128.51.63]) by mx3.redhat.com (8.13.1/8.13.1) with ESMTP id k3MG3XTl028212 for ; Sat, 22 Apr 2006 12:03:33 -0400 Subject: Re: [linux-lvm] LVM. Do i loose everything? From: Ming Zhang In-Reply-To: <200604211712.42503.sgrover@open2space.com> References: <4442C7D0.40206@ee.duth.gr> <200604211712.42503.sgrover@open2space.com> Date: Sat, 22 Apr 2006 12:03:14 -0400 Message-Id: <1145721795.22776.36.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Reply-To: mingz@ele.uri.edu, LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" To: LVM general discussion and development On Fri, 2006-04-21 at 17:12 -0600, Shawn wrote: > On Sunday 16 April 2006 16:40, kyr wrote: > > Hello, > > > > I wound be thankful if you can answer one simple question that I > > haven't found the answer in all the LVM manuals, FAQ, howtos. > > > > I have a continuous (not stiped) VG consisting of 3 PV (Hard Disks) with > > one LV on EXT3. > > > > If one hard disk fails (hardware) will i loose everything on all disks? depends on how we define "disk fails" then. > > I'm far from an expert with LVM, but I think the answer is a safe No. And > even further, you could possibly recover the data on the damaged drive (see > http://grover.open2space.com/node/17). if disk has some bad sectors but most other places are readable, then dd_rescue will be more than enough and follow this link should be ok. thanks for pointing out this link. > > The data stored on that particular drive might become in accessible (without > any recovery efforts), but the data sitting on the other drives should still > be there. yes, data is there. > > I'm taking a guess based on what I saw during a data recovery process, but... > It looks like the drive/partition is tagged as being part of a volume, and > then the appropriate file system is applied. If this is the case, then > loosing a drive should not corrupt your filesystem on the remaining drives. if it is single file system over all 3 HDs, then will the file system runs ok? i do not think so. > > I am not comfortable enough with my knowledge to say this is anywhere near > authoritative. But I do hope I helped... > > Shawn > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/