[mythtv-users] OT: Get off my SSD?!

[freedenizen]

On Wed, Sep 23, 2009 at 9:12 AM, Dave Richardson <mythtv at derdev.com> wrote:
> I have an IONITX with a solid state disk (SSD) as a front-end.  I have
> moved /tmp and /var/log to RAM drives in tmpfs to prevent frequent write
> activity to the SSD.  I had expected very little drive activity to be
> reported (as viewed by watching the HDD LED activity light) - however,
> it's still fairly busy and seems to have a pattern of activity.
>
> I need to figure out if there are processes still writing elsewhere to the
> system on a regular basis.  I will either turn off the processes or direct
> their activity to another tmpfs so that I can prolong the life of the SSD.
>
> I've tried using "lsof" command to figure out what's active, but I really
> don't understand what I'm seeing.  Any further guidance would be
> appreciated!

Well I do believe that some filesystems will move files around to try
and combat fragmentation, as well as there is indexing that occurs
from time to time.  Are there any cronjobs configured on the system?