noatime automount

Dale quail.linux at gmail.com
Fri Jun 13 00:41:04 BST 2008


Hi all,

I have to agree with Bevin I have not noticed any performance
difference, but what I have noticed on my laptop tho is having
'noatime' set on my HDD partitions it has helped lower the
'Load_Cycle_Count' on my HDD when on battery.

here is what my fstab file looks like for reference:
# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
/dev/hda1       /               ext3    errors=remount-ro,noatime 0       1
/dev/hda2       /home           ext3    defaults,noatime        0       2
/dev/hda3       none            swap    sw              0       0
/dev/hdb        /media/cdrom0   udf,iso9660 user,noauto     0       0

and to checkout the 'Load_Cycle_Count' on you laptop HDD while on
battery run as root:
# smartctl -a /dev/hda | grep Load_Cycle_Count ; sleep 600 ; smartctl
-a /dev/hda | grep Load_Cycle_Count

oh you need to have 'smartmontools' installed.

Hope this helps someone out.

Regards
Dale

On Thu, Jun 12, 2008 at 9:24 PM, Bevin Watson
<bevin_watson at optusnet.com.au> wrote:
> Back in Gutsy I had this set on my hard drive in /etc/fstab
> # /dev/hda1
> UUID=b72b7ac5-0c3f-47b6-9628-508ab7ba1e74 / ext3
> noatime,defaults,errors=remount-ro 0       1
> I guess this doesn't really help you unless you always automount to the same place.
> I don't have it set in 8.04.  I didn't notice any particular performance difference one way or another, but my usage is purely recreational.
>
>
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