[mythtv-users] combined myth/server

Travis Tabbal travis at tabbal.net
Thu Apr 22 01:19:30 UTC 2010


On Wed, Apr 21, 2010 at 2:53 PM, Josh White <jaw1959 at gmail.com> wrote:

>
> At this point, it would seem important to define "heavy" and "many" in this
> context, as it could be causing people to purchase/run power consuming hard
> drives unnecessarily.  Has anyone ever done a back to back test showing that
> sharing a spindle will cause this problem, and has it been done recently
> with modern hardware?  Just because it was a good idea 6 years ago, doesn't
> mean it will always be. That being said, I keep all my OS/Database installs
> separate from my recordings, and will likely continue to.
>
>

I tried it on a 500G 7200RPM Seagate drive. Reasonably modern as 1TB+ drives
tend to be slower at seeking as they are usually the "green" variety. I
don't have a faster than 5400RPM TB class HD here, so I can't set up a test
for it. The problem has always been seeking, the transfer rates have been
more than fast enough for years. But seek times have stayed in the 10-20ms
range for platter HDDs unless you get into the 10kRPM+ units. SDDs can do
0.1ms, but again, price keeps people from using them to store 8GB/hr
recordings. :)
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