Load_Cycle_Count and ATA APM

Kostik Belousov kostikbel at gmail.com
Tue Feb 5 20:38:38 UTC 2008


[Replying to the original list of the recipients].

On Tue, Feb 05, 2008 at 05:36:57PM +0100, Alexander Leidinger wrote:
> Quoting Kostik Belousov <kostikbel at gmail.com> (from Tue, 5 Feb 2008  
> 15:02:10 +0200):
> 
> >I noted that when idle, my laptop HDD increases the Load_Cycle_Count
> >(193) approx. each ten seconds, as reported by smartctl. Have recently
> >read about the Ubuntu and APM mode for hard drives, I searched for the
> >tool to tune APM (that has functionality similar to linux' hdparm -B).
> >
> >It seems that FreeBSD does not have a tool ? Am I wrong ? In case I did
> >not make a mistake, below is the patch that allows to manage APM state
> >of the hard drive using atacontrol.
> 
> Any chance to also handle automatic acoustic management at the same time?

http://people.freebsd.org/~kib/misc/ata_setcap.2.patch
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 195 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20080205/0d06c55f/attachment.pgp


More information about the freebsd-current mailing list