Disk defragmenter in Linux

[Jim Cornette]

Peter Gordon wrote:

>On Sat, 2005-12-31 at 12:15 -0600, Les Mikesell wrote:
>  
>
>>Writes
>>also always go through cache and sensible operating systems
>>will sort the write-back into seek order to avoid threshing
>>the head around in the process.  So, if you think you have
>>a speed problem caused by your disk, the quick fix is normally
>>to add more RAM.
>>    
>>
>
>It iss interesting to note, also, that Ext3's default "ordered" data
>writing mode does precisely this, from what I've read. It first
>commits the metadata transactions to the journal, then flushes the
>data to the disk in large blocks of writes, then commits the journal
>transactions to the disk.
>
>Extents-based and delayed write allocation (for on-disk contiguity of
>file data) are also being worked on (though, due to possible on-disk
>changes of the filesystem format, this could end up becoming "ext4" or
>similar). Please see the following page for more information:
><http://ext2.sourceforge.net/2005-ols/paper-html/node18.html>
>  
>
Thanks for the link Peter, I found the reading interesting. The 
information clears up some questions if the fragmentation problem and 
dealing with large files is being addressed. It seems that work is ongoing.

Jim

-- 
A journey of a thousand miles begins with a cash advance.