From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tracy Reed Subject: Re: raind-1 resync speed slow down to 50% by the time it finishes Date: Thu, 30 Jul 2009 11:35:27 -0700 Message-ID: <20090730183526.GD19663@tracyreed.org> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gatW/ieO32f1wygP" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Tirumala Reddy Marri Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --gatW/ieO32f1wygP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 29, 2009 at 11:25:47PM -0700, Tirumala Reddy Marri spake thusly: > I have two 1 tera byte disks in RAID-1 configuration. When I started > RAID-1 array initial speed was 100MBps by the time it finishes the speed > was <50MBps. Is there is any reason for this behavior ? Isn't speed > supposedly uniform.=20 I currently have a RAID-1 rebuild running and cat /proc/mdstat shows speed=3D1481K/sec. This seems incredibly slow to me. That's just just about one and a half megs per second. I'm wondering if this machine has some more serious hardware problem. No errors showing up in dmesg or /var/log/messages or anything though. --=20 Tracy Reed http://tracyreed.org --gatW/ieO32f1wygP Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD4DBQFKcefu9PIYKZYVAq0RAmZWAJdVcQBR21e0dYcSG/VUl//A79T3AJ9V4YBk 0W03/SAdgBWiY/67CBdNQQ== =Ijts -----END PGP SIGNATURE----- --gatW/ieO32f1wygP--