[mythtv-users] Strange performance issue (hard to google)

Robert RobertCL at iname.com
Wed Apr 2 07:43:38 UTC 2008

On Wed, April 2, 2008 3:37 am, Michael T. Dean wrote:
> On 04/01/2008 10:13 PM, glenhawk at optusnet.com.au wrote:
>> I have recently noticed a strange phenomenon where occasionally I get
>> video freezing then (in the resulting silence) I hear a HDD spin-up and
>> the video continues.
>> It only happens very occasionally and I haven't been able to establish a
>> pattern of events (other than being able to hear a HDD start to spin).
>> My initial assumption is that it may be buffering footage to RAM,
>> spinning down the HDD and then not spinning it up again in time to
>> prevent the freeze. Any other thoughts?
>> I will continue looking into it myself but at this stage I cannot even
>> think of any keywords to google.
> Are you running in laptop mode?
> Mike

Check the output of something like hddparm -S /dev/hd<your drive> to see
what the spindown settings for your hard drive are.  Check that -S is the
right parameter as well!

You might want to have a look in your bios for sleep / power management
settings as well.


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