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Re: logging writes to disk (keeping disk from spinning down)

also sprach martin f krafft <madduck@debian.org> [2009.03.09.2232 +0100]:
> It would be nice to have harddrives spin down and up as needed,
> even with RAID1, and theoretically, there is no reason that
> couldn't happen. I just don't want to start thinking about the
> problems that come from powering down and RAID1 interacting.

FWIW, it seems to work just fine, even RAID1 across usb-storage
drives -- which do spin down despite the ext3 filesystem on them.
But they're mounted as /store, and there's nothing writing there.

This is with a lenny system and 2.6.26 kernel.

If you are trying to make it work for the main system, make sure you
use something like laptop-mode, or at least tune the parameters,
disable logging etc., and turn the atime option off for all your

 .''`.   martin f. krafft <madduck@d.o>      Related projects:
: :'  :  proud Debian developer               http://debiansystem.info
`. `'`   http://people.debian.org/~madduck    http://vcs-pkg.org
  `-  Debian - when you have better things to do than fixing systems
"in the figure of the president, george w. bush, the incompetence,
 stupidity, and sheer inhumanity that characterize so much of
 america's money-mad corporate elite find their quintessentially
 repulsive expression."
                                 -- journalist, aftermath of katrina

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