IDE lockups - Was: ext2 filesystem lockups

[Astrodog]

On Thu, 24 Feb 2005 09:05:15 -0300, João Carlos Mendes Luís
<jonny at jonny.eng.br> wrote:
> Markus Trippelsdorf wrote:
> > On Wed, 2005-02-23 at 19:35 -0300, João Carlos Mendes Luís wrote:
> >
> >>David O'Brien wrote:
> >>
> >>>On Wed, Feb 23, 2005 at 04:29:19PM +0100, Markus Trippelsdorf wrote:
> >>>
> >>>
> >>>>When copying large files to a locally mounted ext2 filesystem
> >>>>my system always locks up.
> >>>>Is this a known problem in 64bit mode?
> >>
> >>Just curious: what is the drive interface with the ext2fs?  IDE?
> >
> >
> > Yes, it's the normal IDE interface (ATA UDMA133 drive).
> 
>      Could you please test it under UFS, just for debugging purposes?
> My experience shows that it needs a very large dataset to make the
> system freeze.  My last lock up happened during the pre-downgrade
> backup, which means copying 200G from one disk to the other on the same
> IDE interface.  Your mileage may vary.
> 
>      A question for the list: Is there an official "maintainer" for
> IDE/ATA interface?  What kind of debugging could we do to help?
> 
> >>The very same hardware is now on 32-bit mode FreeBSD 5.3-stable, without
> >>any problems at all.
> >>
> >>
> >>>>Which filesystem is recommended for multi-OS file exchange?
> >>>
> >>>I've heard enought reports of ext2 problems on 32-bit i386, that I don't
> >>>trust it in situations that "have to work".  By far the most widely
> >>>supported FS is vfat32 [mount_msdosfs(8)].
> >>
> >>The last time I had to use msdosfs, on 4.* it was extremely slow
> >>compared to UFS on the same disk.  Did this get better on 5.*?
> >
> > I want to use the filesystem for my music collection, so I'm willing to
> > trade fastness for reliability.
> 
>      If you use only linux and BSD, choose ext2fs or ufs depending on
> which OS you use most.  If you need windows, then you must choose
> between msdosfs or ext2fs, since I do not yet know about an UFS driver
> for windows.
> _______________________________________________
> freebsd-amd64 at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-amd64
> To unsubscribe, send any mail to "freebsd-amd64-unsubscribe at freebsd.org"
> 

Reliability, on something that may be detatched is.... non-existant on
ext2 in my experence.