[mythtv-users] Dec 2008 - State of the Art - Hard Drive Recommendations?
drescherjm at gmail.com
Wed Dec 17 16:47:05 UTC 2008
On Wed, Dec 17, 2008 at 10:58 AM, John Drescher <drescherjm at gmail.com> wrote:
> On Wed, Dec 17, 2008 at 10:50 AM, Sandy Walsh <swalsh at impathnetworks.com> wrote:
>> John Drescher wrote:
>>>> 6. Average Seek Time? Do technologies like Western Digital Intelliseek
>>>> any difference or just get in the way?
>>> Although some drives are a little faster with seeks, the differences
>>> will not be a large factor on a myth system.
>> Interesting. Do you think this would still be the case when recording from
>> multiple capture cards and streaming video as well?
> The data rate usually is not high enough (even with HD) for this to
> make a difference.
> It does sometimes cause a problem in raid5 systems that are not fast
> enough (seeks and small writes are a problem in raid5) or do not have
> a large enough cache. Tuning the stripe_cache in software raid5 can
> eliminate the problem.
One other comment to add to this is in a non raid system adding a
second drive will have much better effect of reducing the chance of
this than selecting a drive (with storage groups) with a better seek
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