Fair enough; I have to admit that I did *no* benchmarking of a simple partitioned filesystem, only LVM. Its so *easy* to just make a new volume for benchmarking :) I was lazy... my bad! > -----Original Message----- > From: linux-lvm-admin@sistina.com [mailto:linux-lvm-admin@sistina.com]On > Behalf Of Austin Gonyou > Sent: Tuesday, 5 March 2002 1:12 p.m. > To: linux-lvm@sistina.com > Subject: RE: [linux-lvm] LVM System > > > Hmm..that could be so, but I'm not sure if it's JUST xfs or if it's > XFS/LVM. My largefile performance is excellent, as is my small file > perfromance. > > On Mon, 2002-03-04 at 18:01, Steve Wray wrote: > > Well, thats possible. The best thing to do is run > > benchmarks (I like iozone) on the proposed > > system and see what works best. > > The tests I did were just on small filesystems (1G volumes, > > 64M, 128M and 196M RAM). Filesizes I tested were only > > up to 500M or so. > > I found that while most tested filesystems (reiser, XFS, > > ext3 and vfat) did drop off in performance as filesize > > increased, XFS dropped off the most rapidly in that > > dimension. ext3 was the most stable (in performance as filesize > > increased), though its small filesize performance was the worst. > > XFS looked like kinda the opposite! > > :) > > Reiser had the worst write performance of all of them, > > but admirable read. > > > > YMMV. > > > > > > > > > -----Original Message----- > > > From: linux-lvm-admin@sistina.com > > [mailto:linux-lvm-admin@sistina.com]On > > > Behalf Of Anthony W. Marino > > > Sent: Tuesday, 5 March 2002 12:50 p.m. > > > To: linux-lvm@sistina.com; Steve Wray > > > Subject: Re: [linux-lvm] LVM System > > > > > > > > > On Monday 04 March 2002 06:39 pm, Steve Wray wrote: > > > > I'd recommend ext3 with data journalling for sensitive > > > > filesystems. Its slower than XFS but (seems to) scale better with > > > > striping and large files. XFS performance (seems to) fall off > > > > very rapidly as file size exceeds buffer size. > > > > > > > > XFS only journals metadata. So on event of a crash, > > > > the filesystem structure will (likely) be sound, but theres > > > > no guarantee that the data blocks will be uncorrupted!!! > > > > > > > > XFS is very nice tho, in that volumes and filesystems can > > > > be grown with no downtime at all (without even unmounting). > > > > > > > > You might want to do some benchmarking before committing > > > > to a build (thats recently saved my butt actually). > > > > > > It was recommended to me that all large file systems have best > > > performance > > > with XFS. > > > > > > > > -----Original Message----- > > > > > From: linux-lvm-admin@sistina.com > > > [mailto:linux-lvm-admin@sistina.com]On > > > > > Behalf Of Anthony W. Marino > > > > > Sent: Tuesday, 5 March 2002 10:39 a.m. > > > > > To: linux-lvm@sistina.com > > > > > Subject: [linux-lvm] LVM System > > > > > > > > > > > > > > > Any thoughts or articles that would be usefull in determining > > > the quality > > > > > on the following combination would be greatly appreciated: > > > > > > > > > > LVM 1.x > > > > > 3Ware 7800 Raid Controller > > > > > Maxtor 40GB harddrives > > > > > XFS Journalling FS > > > > > SuSE 2.4.18+ Linux > > > > > > > > > > > > > > > Thank You, > > > > > Anthony > > > > > > > > > > _______________________________________________ > > > > > linux-lvm mailing list > > > > > linux-lvm@sistina.com > > > > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > > > > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html > > > > > > > > _______________________________________________ > > > > linux-lvm mailing list > > > > linux-lvm@sistina.com > > > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > > > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html > > > > > > _______________________________________________ > > > linux-lvm mailing list > > > linux-lvm@sistina.com > > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html > > > > > > > _______________________________________________ > > linux-lvm mailing list > > linux-lvm@sistina.com > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html > -- > Austin Gonyou > Systems Architect, CCNA > Coremetrics, Inc. > Phone: 512-698-7250 > email: austin@coremetrics.com > > "It is the part of a good shepherd to shear his flock, not to skin it." > Latin Proverb > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html > _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
