[clug] EXT4 Reliability [SEC=PERSONAL]

[Roppola, Antti - BRS]

Now that's an exchange that neatly demonstrates a subtle difference and
why I'm still using ext3.

FAT32 is a well known filesystem that can be reasonably reliably be
implemented, read & modified by a large number of operating systems,
device drivers and appliances. It misses out on some nifty features like
journaling. But hey it's not too bad and there's not too many bad
drivers around.

In comparison, Ext3 is being written to and read from almost entirely a
single code base of known quality. As it's freely available, I'd be very
surprised if anyone tried to re-implement an ext3 library from scratch.
There's a lot of ext3 installs out there and the ext3 code base has been
put through all sorts of circumstances over many years since 2001. There
was a couple of file system corruption bugs early on, but it's been
pretty quiet. All my digital photos are backed up on ext3.

Ext4 looks like it makes a number of improvements for reliability and
performance. But as the reference code base really didn't start becoming
mainstream until 2008, I'm not going to use it for my digital photos
just yet.

Cheers,

Antti

-----Original Message-----
Daniel Pittman wrote:

Anshul Gupta <email.agupta at gmail.com> writes:

> FAT32 is the most portable filesystem but not as stable and reliable 
> as ext[34].

I am surprised you suggest this.  Are you referring to the issues that
the FAT structure introduces WRT the Unix [id]node convention, or the
renaming issues, or something else?


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