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Message-ID: <4B887548.50508@redhat.com> Date: Fri, 26 Feb 2010 19:28:40 -0600 From: Eric Sandeen <sandeen@...hat.com> To: Justin Piszcz <jpiszcz@...idpixels.com> CC: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org, Alan Piszcz <ap@...arrain.com> Subject: Re: EXT4 is ~2X as slow as XFS (593MB/s vs 304MB/s) for writes? Eric Sandeen wrote: > Justin Piszcz wrote: > ... > >>> Were the filesystems created to align with raid geometry? >> Only default options were used except the mount options. If that is the >> culprit, I have some more testing to do, thanks, will look into it. >> >>> mkfs.xfs has done that forever; mkfs.ext4 only will do so (automatically) >>> with recent kernel+e2fsprogs. >> How recent? > > You're recent enough. :) Oh, you need very recent util-linux-ng as well, and use libblkid from there with: [e2fsprogs] # ./configure --disable-libblkid Otherwise you can just feed mkfs.ext4 stripe & stride manually. -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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