[Bug 483569] Re: kjournald2 writing to disk every few seconds

[leftoflexo]

did you try disabling hal disk polling? you dont really need it since devkit is also polling every 2 seconds. i disabled mine by going to /usr/lib/hal/hald-addon-storage and renaming hald-addon-storage by placing an extra character at the end then rebooting. 
another thing i noticed is that i had a smilar problem and it was greatly reduced by reformatting to ex3 and installing on that instead of ext4. for some reason ext4 caused much heavier system lag during the periods of disk access every few seconds. if you dont mind not having a journaling filesystem you could always use ext2 and see how that works for you. honestly ive found ext2 to be more stable for me and i dont mind the consequences of not having journaling. 

this problem may be related to these:
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/75295
https://bugs.launchpad.net/ubuntu/+source/hal/+bug/85695
https://launchpad.net/ubuntu/+source/hal/+bug/27323

it's either a hal problem, a kernel problem, or both. no matter to me
though, i've noticed a similar set of symptoms on different computers
and these steps have always either stopped the problem for me or reduced
the severity of it to where the system is usable and the disk activity
becomes less frequent and heavy. it definitely extends the life of my
drives past what it would be with constant grinding.

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kjournald2 writing to disk every few seconds
https://bugs.launchpad.net/bugs/483569
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