[Lincs] Hdparm commands
Chris Adams
chrisa100 at googlemail.com
Mon Nov 17 12:19:24 UTC 2008
And thats all that is needed. So when i call /var/www/media, it will load
the nfs mount and spin up all that discs without the web page script timing
out ? Also is there gonna be a massive lag, too much considering the lag of
the lan over nfs and the internet ?
Thanks
On 17/11/2008, carl Inglis <carl at yoshiwara.org.uk> wrote:
>
> I'd be inclined to look at the -S option:
>
> --------------------------------------------------------
> Set the standby (spindown) timeout for the drive. This value is used by
> the drive to determine how long to wait (with no disk activity) before
> turning off the spindle motor to save power. Under such circumstances, the
> drive may take as long as 30 seconds to respond to a subsequent disk
> access, though most drives are much quicker. The encoding of the timeout
> value is somewhat peculiar. A value of zero means "timeouts are disabled":
> the device will not automatically enter standby mode. Values from 1 to 240
> specify multiples of 5 seconds, yielding timeouts from 5 seconds to 20
> minutes. Values from 241 to 251 specify from 1 to 11 units of 30 minutes,
> yielding timeouts from 30 minutes to 5.5 hours. A value of 252 signifies a
> timeout of 21 minutes. A value of 253 sets a vendor-defined timeout period
> between 8 and 12 hours, and the value 254 is reserved. 255 is interpreted
> as 21 minutes plus 15 seconds. Note that some older drives may have very
> different interpretations of these values.
> --------------------------------------------------------
>
> Perhaps put an hdparm -s in your startup scripts (rc.local or init.d,
> depending on your distro).
>
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