Date: Tue, 12 Nov 1996 22:52:44 -0800 From: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net> To: "Justin T. Gibbs" <gibbs@freefall.freebsd.org> Cc: Mark Mayo <mark@quickweb.com>, Terry Lambert <terry@lambert.org>, roberto@keltia.freenix.fr, freebsd-current@freebsd.org Subject: Re: ufs is too slow? Message-ID: <199611130652.WAA08685@MindBender.serv.net> In-Reply-To: Your message of Tue, 12 Nov 96 12:25:08 -0800. <199611122025.MAA25041@freefall.freebsd.org>
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>>I just checked, and all they mention in the press_release is that they
>>will be using the Veritas Volume Manger - I don't kow if this
>>_necessarily_ implies use of the Veritas File sSystem.
>The volume manager can work on other FS types too, but according to my friend
>that works at Veritas, VxFS will be ported to NT. I'd have to check again
>with him to see if they've struck a deal with MS similar to what they have
>with other vendors (Sun and HP) where you pay X dollars extra and you get
>VxFS in the box.
I talked to an engineer in the NT development area (not filesystems,
but he's well connected). His comment was basically that NTFS will
still be the de-facto FS. If VxFS comes with NT, it will be a
supplementary type of deal, and not a replacement for NTFS.
Obviously, this is not a statement in any way, shape, or form, that
should be taken as "official" from Microsoft.
>The main reason MS is looking to Veritas is that NTFS just doesn't perform
>when striped or mirrored. The NOW project at Cal did I/O comparison studies
>on x86 platforms using Solaris, FreeBSD, Linux and NT and found that while
>FreeBSD and Solaris could achieve upwards of 30MB/s through a striped file
>system, NT topped out at around 9MB/s. This was NT3.51 - they may have
>improved things for 4.0.
Several areas of the kernel have improved, performance-wise, in 4.0
(the obvious being the graphics stuff, but also some of the more
important areas in multi-processor contention, as well). I don't know
if this affects NTFS performance in any substantial way.
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Michael L. VanLoon michaelv@MindBender.serv.net
--< Free your mind and your machine -- NetBSD free un*x >--
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NetBSD ports in progress: PICA, others...
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