Re: strange sync behaviour

Richard B. Johnson (root@chaos.analogic.com)
Mon, 16 Aug 1999 13:01:49 -0400 (EDT)


On Sun, 15 Aug 1999, Giuliano Pochini wrote:

>
> Try this on an unloaded system:
>
> sync
> find / -name something
> sync
>
> ok, now all directories are cached and no buffers have to be written to
> the disk. Type again:
>
> find / -name something
> sync
>
> Why the sync command make my HDs to work for 2-3 seconds ? find
> shouldn't write anything on the disk, so what has it to update ??
>
> Bye.
>

The `atime` of every file accessed is written to the disk!
Look at "struct stat".

Cheers,
Dick Johnson
**** FILE SYSTEM WAS MODIFIED ****
Penguin : Linux version 2.3.13 on an i686 machine (400.59 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.

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