Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750968AbVKAREP (ORCPT ); Tue, 1 Nov 2005 12:04:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750960AbVKAREP (ORCPT ); Tue, 1 Nov 2005 12:04:15 -0500 Received: from the-penguin.otak.com ([65.37.126.18]:47322 "EHLO the-penguin.otak.com") by vger.kernel.org with ESMTP id S1750963AbVKAREO (ORCPT ); Tue, 1 Nov 2005 12:04:14 -0500 Date: Tue, 1 Nov 2005 09:04:13 -0800 From: Lawrence Walton To: Florian Weimer Cc: Alex Bligh - linux-kernel , LKML Subject: Re: 3ware 9550SX problems - mke2fs incredibly slow writing last third of inode tables Message-ID: <20051101170413.GA11640@the-penguin.otak.com> References: <87oe54cza8.fsf@mid.deneb.enyo.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="FL5UXtIhxfXey3p5" Content-Disposition: inline In-Reply-To: <87oe54cza8.fsf@mid.deneb.enyo.de> X-Operating-System: Linux 2.6.14-rc4-mm1 on an i686 User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1930 Lines: 54 --FL5UXtIhxfXey3p5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Florian Weimer [fw@deneb.enyo.de] wrote: > * Alex Bligh: >=20 > > All seems to go well until I try and do mke2fs. This appears to work, > > and tries to write the inode tables. However, at (about) 3400 inodes > > (of 11176), it slows to a crawl, writing one table every 10 seconds. > > strace shows it is still running, and no errors are being reported. > > However, it seems very sick. >=20 > In my experience, the 3ware SATA controllers which are not NCQ-capable > have very, very lousy write performance with some drives, unless you > enable the write cache (which is, of course, a bit dangerous without > UPS or battery backup on the controller). > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ Not to sound like the a 3ware chearleader, but this card does support NCQ. --=20 *--* Mail: lawrence@otak.com *--* Voice: 425.739.4247 *--* Fax: 425.827.9577 *--* HTTP://the-penguin.otak.com/~lawrence -------------------------------------- - - - - - - O t a k i n c . - - - - -=20 --FL5UXtIhxfXey3p5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (GNU/Linux) iD8DBQFDZ6ANsgPkFxgrWYkRAkl2AJsHGL7jhENEYdq1mZkWV7WADg9KaQCfXSN4 zVcNTjygjvj9LngXQuXZRho= =RQ20 -----END PGP SIGNATURE----- --FL5UXtIhxfXey3p5-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/