[X4U] Journal or not

[Randy B.Singer]

Kevin Willis said:

>Can some one give me a lay-mans description of a Journaling as it  
>pertains to Mac disk formats?


http://docs.info.apple.com/article.html?artnum=107249

> "Journaling" is a feature that helps protect the file system against 
>power outages or hardware component failures, reducing the need for 
>repairs. Journaling was first introduced in Mac OS X Server 10.2.2, then 
>to the non-server OS in Mac OS X 10.3 Panther. 
...
>When you enable journaling on a disk, a continuous record of changes to 
>files on the disk is maintained in the journal. If your computer stops 
>because of a power failure or some other issue, the journal is used to 
>restore the disk to a known-good state when the server restarts.



Randy B. Singer
Co-Author of: The Macintosh Bible (4th, 5th and 6th editions)

Routine OS X Maintenance and Generic Troubleshooting
http://www.macattorney.com/ts.html