Christian Bjälevik nafallo at
Tue Nov 8 10:23:27 CST 2005

On tis, 2005-11-08 at 17:01 +0100, Shot - Piotr Szotkowski wrote:
> Hello.
> I vaguely remember reading somewhere that mouting harddisk paritions
> with the noatime option is preferred for laptops (as it might lower
> the battery usage significantly enough, I suppose). Would it make
> sense to have Ubuntu do this on laptops by default?
> What are the disadvantages of not having the access time information?
> From a quick googling, it seems it might affect programs that check for
> new mail (which may work by comparing the mailboxes' modification and
> access times), including some of the shells; it was also suggested there
> might be some filesystem cleanup solutions that consider atime of the
> files in temporary directories before deleting the atime-oldest ones.
> Would not having atime information break anything in the default Breezy
> install? And - to make a counterpoint quesion - is adding noatime by
> default worth considering at all?
> Also a personal question - I added the noatime to all of my ext3
> partitions. Are there known programs that will/could break? :o)
> Cheers,
> -- Shot

We have always done this in laptop-mode, triggered by the removal of AC
(and then remounted back with atime when we have AC again).

Sincerely, /C
Christian Bjälevik <nafallo at>
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