Gentoo Archives: gentoo-mips

From: Alex Deucher <alexdeucher@×××××.com>
To: gentoo-mips@l.g.o
Subject: Re: [gentoo-mips] JFS on non-intel [ Was O2 Sound and Misc Stuff]
Date: Fri, 09 Feb 2007 19:05:30
Message-Id: a728f9f90702091105g11f5439bp94f0f0367632b3bd@mail.gmail.com
In Reply to: [gentoo-mips] JFS on non-intel [ Was O2 Sound and Misc Stuff] by "J. Scott Kasten"
1 On 2/9/07, J. Scott Kasten <jscottkasten@×××××.com> wrote:
2 >
3 > I'm interested in your data point. Do you happen to remember about which
4 > kernel that was? There was some general badness that affected multiple
5 > file systems in late 2.6.13 on into 2.6.14 or so in the way that you
6 > describe. Not sure they ever really knew what the smoking gun was.
7 >
8 > Used JFS for about 6 months with the gentoo mips 2.6.13 kernel and did
9 > not find any issues. Briefly with Sparc32, but don't remember
10 > which kernel. On Intel, I've done extensive regressions with it.
11 >
12 > If anyone is interested, I have a thrasher script written specifically for
13 > this purpose. It's a multi-threaded ruby script that creates a randomized
14 > directory tree, with random files, containing random data. A CRC check is
15 > kept on each file. The threads run in parallel rewriting data in the
16 > middle of files, truncating, resizing, creating voids, forcing the file
17 > system into writing multiple extents, exercising tail packing, unlinking
18 > files with open handles, etc...
19 >
20
21 http://sourceforge.net/mailarchive/forum.php?thread_id=7852301&forum_id=43911
22 http://www.mail-archive.com/sparclinux@×××××××××××.org/msg00333.html
23
24 Alex
25
26 > -S-
27 >
28 > On Fri, 9 Feb 2007, Alex Deucher wrote:
29 >
30 > > On 2/9/07, J. Scott Kasten <jscottkasten@×××××.com> wrote:
31 >
32 > > Be careful. I tried to use JFS on some sparc boxes, and ran into some
33 > > subtle bugs that no one seemed to be able to solve that led to
34 > > filesystem corruption: things like disappearing/reappearing files and
35 > > directories. On the other hand I've had no problems with JFS on AMD64
36 > > or x86.
37 > >
38 > > Alex
39 > >
40 > --
41 > gentoo-mips@g.o mailing list
42 >
43 >
44 --
45 gentoo-mips@g.o mailing list

Replies

Subject Author
Re: [gentoo-mips] JFS on non-intel [ Was O2 Sound and Misc Stuff] "J. Scott Kasten" <jscottkasten@×××××.com>