[NTLUG:Discuss] ext3 vs. XFS vs. ....

[Burton Strauss]

You are right - in a truly hostile environment, the benchmarks discussed in
that article don't help...  In that kind of environment, none of the common
file systems will survive.

People think that journaling FS are somehow much safer than non-journaling
FS, but the journal really is a recovery/restart SPEED option, not some
magic anti-corruption dust.  That is, instead of scanning the whole disk
(ext2) on recovery/restart, the journaling FS just scan the journal.  So the
system is made available faster.

-----Burton





-----Original Message-----
From: Discuss-bounces at ntlug.org [mailto:Discuss-bounces at ntlug.org] On Behalf
Of Mike Hart
Sent: Tuesday, May 02, 2006 7:13 AM
To: NTLUG Discussion List
Subject: Re: [NTLUG:Discuss] ext3 vs. XFS vs. ....

Speed, disk space, and cpu usage don't mean much when you get multipe power
outages spaced about 30-40 seconds apart, just long enough for the drive to
be in the process of a forced filesystem check during boot. 

Where's the benchmark on reliability? Specifically on a killswitch during a
fschk after a kill. I'd be really interested to see how the different
filesystems standup to our powergrid in spring :-)




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