[geeks] Journaled Filesystems (thanks to sunhelp.org)

[Brian Hechinger]

On Wed, Apr 10, 2002 at 11:24:39PM -0700, Peter L. Wargo wrote:
> 
> > Doesn't it make for slower writes?
> 
> To be honest, I'm not sure... <musing> I guess it would, though I don't 
> see it on the heavily-cached arrays... I could do some tests with 
> artifical apps.

i'd be interested, especially with bill's claim of faster postfix.

> You can loose up to 64M of filesystem (depending on the size).
> 
> I bow to anyone with more experience - I used it a lot on vxfs, but that 
> was with dedicated log spaces.  The stuff in Sol 8 seems good, and it's 
> nice not to have to fsck a 500G FS...

the downsides that i know about are the loss of space, and the performance hit.
however, it's it's really a big deal you can install DiskSuite and use the
"Full" version of logging which allows you to put the logs on a seperate disk.

-brian
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