On Jul 8, 2005, at 8:06 PM, GDB-B&W-X.3.9 wrote:
On Jul 8, 2005, at 10:43 PM, Jonas Lopez wrote:
Doug,
What is to be formatted as journaled?
JL
I believe this type of filesystem began with 10.3.x and it's the
required format (Mac OS Extended (Journaled)), for installing X
onto. Journaling is a Unix type filesystem and makes sense when
you know that OS X is based in Unix. You can do a Google to learn
more about it.
It's not required by OS X, and it's not a Unix thing.
Journaling, simply put, is a mechanism for dealing with unexpected
shutdowns on a system. information about recent changes to files are
stored and upon a crash or power failure, the system can rebuild
itself to the last known good state.
Apple has a KB article about it here:
<http://docs.info.apple.com/article.html?artnum=107249>
The first widespread consumer use of File Journaling came about with
Windows NT and the NTFS file system, iirc.
--
Bruce Johnson
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