[mythtvnz] HDD Load Cycle Count ticking over too fast

[David Moore]

On 25/06/12 22:11, Hadley Rich wrote:
> On 25/06/12 22:02, David Moore wrote:
>> Any ideas about whether it's the file system (JFS vs EXT4) or OS setting
>> or BIOS or HDD firmware that's causing the problem? I can't grasp why
>> the disk should spin down, park, then spin up again when it's idle. I'm
>> 99% sure there should be no activity on the drive unless myth is
>> recording or playing.
>
> There's loads of stuff around about the WD Green drives doing this;
>
> https://duckduckgo.com/?q=wd+green+load+cycle+linux&kl=nz-en
>
> I've got a couple of disks with >200k LCC currently.
>
> hads

Indeed. Googling reveals, as you say, lots. Seems my drive is ticking 
away at 15s which matches /proc/sys/vm/dirty_writeback_centisecs.