From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Wittig Subject: Re: RAID1: What happens when one half of a mirror fails? Date: Thu, 30 Jun 2005 20:20:28 +0200 Message-ID: <42C437EC.4030508@weisshuhn.de> References: <200506301024.13126.eric@pretorious.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigF0B8B428F78E2BE97A82F6F8" Return-path: In-Reply-To: <200506301024.13126.eric@pretorious.net> Sender: linux-raid-owner@vger.kernel.org To: eric@pretorious.net Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF0B8B428F78E2BE97A82F6F8 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit The RAID1 should allow the system to opperate as usual until the drive is replaced. I replaced 2 hot-plugable disks (both part two RAID1 which were both parts of a RAID0) on a dell poweredge server this tuestay without even rebooting. If your disks have EEC there should be a minimum risk for failure of a degraded RAID1. Eric Pretorious wrote: > Hello, All: > > I've been a bit surprised by the complete failure of our system when one half > of a mirror failed so I suppose that I should verify that I understand > RAID1's failover methodology: Is the purpose of the mirror only to preserve > the data or is it to allow the system to continue operating until a > replacement can be installed? (i.e., If one half of a mirror fails, shouldn't > the system continue operating normally?) > --------------enigF0B8B428F78E2BE97A82F6F8 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFCxDfxx6tzaD9P7mkRArbgAKCCYwPvO0WWWn6/5t4837yWo7jrWwCggrgS nUh1sdNBtEsFI/2rUeV00y4= =JW2z -----END PGP SIGNATURE----- --------------enigF0B8B428F78E2BE97A82F6F8--