hi ya
> Hugo Vanwoerkom wrote:
>
> Jimmy Wu wrote:
> > (1) ext3 mounts and unmounts slowly, resulting in increased boot times.
any journally fs will be "slower" than non-journaling fs ( ext2, dos, etc )
> > (2) Neither JFS nor XFS can be made smaller, although they can be
> > extended if needed.
i would tar up the current data and backup to dvd etc before "blowing it up"
to extend the current fs into something bigger or smaller
- thus the "growing/shrinking" feature is not an issue for my needs
> > (3) JFS performance degrades on larger filesystems, but is least CPU
> > intensive for smaller file systems.
any journalling fs degrades as the fs gets larger
some degrades faster than others
-------
formatting issues ...
- journaling FS can format 1Terabyte in a flash
- ext2 will take forever ( over a day or more )
- it will/might take forever ( over a day or more ) to format 500MB or 1
terabyte fs or larger
- it will take forever ( even longer ) to restore the 1 terabyte of data
- "times" are based on past experience for say P4-2Ghz w/ 1GB of memory or
equivalent
> > (4) ReiserFS can be flaky on a system crash.
all journaling fs is "flaky" for system crash...
- some can recover .. some cannot
- you probably can't easily recreate the failure mode ( defective fs
internals )
on different fs
> > (5) ReiserFS is the best choice for /var.
maybe .. maybe not
> > (6) On a continuum, XFS offers the best performance,
for performance and comparisons
http://linux-sec.net/FS/#FS
> ext3 offers the most data integrity / chances of recovering from a crash,
> and JFS is in the middle.
depends on the defect of the crash
> > (7) Mixing too many file systems in one system will degrade performance
duh ... :-) .. sorry couldn't resist
and it will also confuse the admins when working on different servers, pcs
> > (8) Is there any advantage to using ext2 for /boot rather than ext3?
no to either
/boot should not be a single partition by itself..
it is part of /bin, /lib, /sbin /etc ... which is the rootfs
even if /boot is fine, if your "rootfs" is corrupt, you can't boot
so there is no point to separating /boot ... we'll leave network boot,
boooting off cd, and booting off usb stick for another ballgame
c ya
alvin
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