On Thu, 2007-11-01 at 11:29 +0900, John Summerfield wrote:
> Mark C. Allman wrote:
> >
>
> >
> > I set up a loop to print the last value of the "193 Load_Cycle_Count"
> > line from command "smartctl -d ata -a /dev/sda" once a minute this
> > morning. I let it run all day, and after eight hours it never changed
> > from 328146. I shutdown (hibernated) the system and resumed a bit later
> > in my home office. The loop (which just resumed right along with
> > everything else) now prints a constant value of 328150 once a minute.
> >
> > FWIW, the loop looks like:
> >
> > for whoCares in /usr/bin/*; do # easy way to loop for a few days
> > sudo smartctl -d ata -a /dev/sda | egrep '^[ \t]*193' | awk '{print
> > $NF;}';
> > sleep 60;
> > done
>
> The pedants are in:-)
>
> # Thos loops for ever
> while :
> do sudo smartctl -d ata -a /dev/sda | egrep '^[ \t]*193' \
> | awk '{print $NF;}';
> sleep 1m
> done
>
> The grep and awk can be combined more elegantly too, but I'll leave that
> for the next pedant:-)
>
> And sudo could be relocated to advantage....
>
>
> --
>
> Cheers
> John
>
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> Please do not reply off-list
The professor (insert big, big grin and wink here) answers:
Didn't want it to loop forever, just a day or two. There are 2800+
files in /usr/bin, so 1440 minutes/day * 2 = 2880. It works and it's
utterly trivial. Also, this was a "quick and dirty" loop. I'm
interested in the numbers. Is Fedora in fact stressing our disks? How
does this compare to other OSes? Etc., etc.
-- Mark C, Allman, PMP
-- Allman Professional Consulting, Inc.
-- www.allmanpc.com, 617-947-4263
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