Reiser FS or ext3?

[Charles Steinkuehler]

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Justin Dugger wrote:
> Similarly anecdotal, a dormmate of mine ran XFS for a while.  Then one
> day he spilled some water near the extension cord and guitar amp he'd
> plugged into his UPS.  In a frantic move he unplugged the wrong cable
> during an emerge and discovered a number of binaries full of ^@
> (null).

My XFS experience is similar...nasty problems with data corruption on
unclean shutdowns with linux.

I now run JFS, which has worked almost flawlessly across many sudden
unexpected power outages.  I chose JFS over EXT3 several years ago
mostly due to it's resizing features and some filesystem features.

Resizing a JFS partition is as simple as extending the logical volume
it's on top of, and issuing a 'mount -o remount,resize <mountpoint>'.
Takes all of a couple seconds.  Resizing ext involves marching through
the filesystem and mucking around with numerous bits of metadata, which
takes forever and seems more prone to catastrophic failure.

I also occasionally tend to run out of inodes on ext file-systems, and I
have found no easy way to increase them once the filesystem is online.

I'm hoping ext4 will address both issues, because while I love JFS, it's
not getting a lot of current development, and the ext filesystems are
far and away the most used/tested of the linux filesystems.

...oh the "almost" in almost flawlessly, above:  I have several times
run a JFS filesystem completely out of disk space.  Once, this caused
the filesystem to become corrupt and unmountable.  A simple offline fsck
fixed the problem, however, and all was well (once I acquired some
additional storage, that is! :).

- --
Charles Steinkuehler
charles at steinkuehler.net
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