Sorry for the dropout and lack of acknowledgement. Words 'hell', 'loose', 'break' uppermost in memory.

Lots of information there. Thanks to everyone who's responded. Plenty of start points and paths to follow.

Looks like it's a going to be a long month. :-)

Kyle



Glen Turner wrote:
Kyle wrote:
Ok,

a couple of responses thus far. Some further info.

The software I can tune myself. I was more looking for Linux specific tuning.

* Yes, I was/am concerned about I/O.
* But also ensuring the OS itself (system processes) is not hindering anything otherwise.
* The RAID is the storage medium. (Hardware RAID)
* Incremental change analysis is done client side.
* Dual P4's / 1GB RAM
* Filesys is ext3 mounted with 'defaults'

You've chosen *the* application which most stresses the operating system :-)

Cut the problem into three
 - tune the disk
 - tune the network
 - tune the backup software.


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