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ot: best filesystem for small files



i am going to be building 3 new mail servers using cyrus imap on debian
2.2 and linux 2.2. looks like cyrus stores each mail in a file which
means the filesystem will have tens, or even hundreds of thousands of
really small files.

so, what is the best filesystem for something like this? or should i
just tune ext2 to do the
job. features beyond decent performance(same level as ext2 i hope) and
being able to effectivly
handle these files while running in software raid 1 are the most
important. journalling, and whatever other fancy shit is a nice plus but
near the bottom of the list. i took a look at reiserfs's homepage but
found little or no information that i found useful. specifically i'm
lookin for a webpage or document that says something along the lines of
"Why use XXX filesystem? because ..." or a site comparing filesystems,
or an idea on what filesystem may be best.

i should note that i am not able/willing to upgrade to woody, and the
same goes for linux 2.4. if it comes down to the wire i will just use
ext2 and deal with whatever issues may comeup. i plan to have
/var/spool/cyrus on it's own partition which may have the different
filesystem, all other partitions will be ext2.

the system will be running dual ultra160 hdds for the raid storage, dual
P3-733 with 256MB of ram, each mailserver will have about 40 accounts to
start.

thanks!!#@

nate

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