[mythtv-users] recording drive bottle neck suggestions..

[sonofzev at iinet.net.au]

On Tue Sep  1  8:00 , John Drescher  sent:

>On Mon, Aug 31, 2009 at 5:49 PM,
>sonofzev at iinet.net.ausonofzev@iinet.net.au> wrote:
>>
>>
>> On Tue Sep  1  4:50 , Yeechang Lee  sent:
>>
>>>sonofzev at iinet.net.au sonofzev at iinet.net.au> says:
>>>> On Sunday night I ended up having a bottle neck as it was the first
>>>> time I ever had 5 recordings going at one (1 HD 4 SD)...
>>>
>>>Here's how I answered a similar question a few months back:
>>>
>>>http://www.gossamer-threads.com/lists/mythtv/users/369400#369400>
>>>(read the whole thread)
>>>
>>>--
>> Thanks to everyone who has responded to this.. I think I know what to do. but to
>> answer a couple of questions
>> 1. DVB-T tuners (1x dvico fusion lite.. 1 x dual express.. 3 tuners on 2 cards)
>> 2. DB is on OS drive while recording is elsewhere....
>>
>> BTW .. commflagging was definitely occuring as looking at the schedule there were
>> numerous shows starting and finishing .....
>>
>> My strategy will be
>>
>> Immediately
>> 1. schedule all jobs to after 1am ... there is very little recording happening
>> then... (i assume this includes commflagging when a window for jobs is set?)
>>
>> When I get a chance to migrate cases..
>>
>> 2.  add another 1 recording drive .. to start (I have a spare 200GB IDE )
>>
>> 3. load test -- see what the limits are..
>>
>> depending on load test I may add another drive for recording or add another drive
>> to the RAID for general storage...
>>
>> thanks again everyone. it's probably a few weeks before I get time to do this...
>> but will post my results
>>
>
>One linux software RAID optimization you can do is discussed in this
>thread (look at the second post):
>
>http://forums.gentoo.org/viewtopic-t-673067-highlight-raid5.html
>


Thanks mate.. I'll try this one as part of my first stage.... you just reminded
me to check if you've posted any updates to your overlay.. will do that tonight..
or maybe remotely from work.. cheers