From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bryan Mesich Subject: Re: resync duration ? Date: Thu, 14 May 2009 13:07:47 -0500 Message-ID: <20090514180747.GA9995@atlantis.cc.ndsu.NoDak.edu> References: <1308264373.20090514150647@kaneda.iguw.tuwien.ac.at> <20090514135840.GB8862@atlantis.cc.ndsu.NoDak.edu> <4A0C4FAB.3020607@anonymous.org.uk> Reply-To: Bryan Mesich Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tKW2IUtsqtDRztdT" Return-path: Content-Disposition: inline In-Reply-To: <4A0C4FAB.3020607@anonymous.org.uk> Sender: linux-raid-owner@vger.kernel.org To: John Robinson Cc: Linux RAID , Rainer Fuegenstein List-Id: linux-raid.ids --tKW2IUtsqtDRztdT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 14, 2009 at 06:06:51PM +0100, John Robinson wrote: > I think about 160 minutes is reasonable for 750GB, on an otherwise =20 > unloaded box; it's only 70MB/sec off 3 drives and on to 1 newer, faster = =20 > drive. I have a similar setup with 4 750G SATA drives. The box is failry beefy, with 8 processor cores and a PCI-E SATA controler (3Ware 9650SE). For an initial sync, it will take about 315 minutes to complete. I'm not sure if this is a fair comparison, since Rainer was do a resync. md8 : active raid5 sdx1[4] sdw1[2] sdv1[1] sdu1[0] 2197209600 blocks level 5, 64k chunk, algorithm 2 [4/3] [UUU_] [>....................] recovery =3D 1.6% (12015536/732403200) fini= sh=3D312.3min speed=3D38437K/sec I'm probably splitting hairs at this point. Bryan --tKW2IUtsqtDRztdT Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQFKDF3zlSl3SAlkhEcRAjMcAJ45lZAMmYa1/b/NgSiFIZEvMkOVwgCgu8wF dAb1wdfDL8/+lZ+/NRUjSyg= =ef5z -----END PGP SIGNATURE----- --tKW2IUtsqtDRztdT--