[mythtv-users] Hardware Setup Advice

[Michael T. Dean]

On 05/24/2012 12:28 PM, David Crawford wrote:
> On 24 May 2012 17:14, Michael T. Dean wrote:
>
>> On 05/24/2012 06:19 AM, Terjesen Jens Peder wrote:
>>
>>> From: John Drescher
>>>
>>>   On Wed, May 23, 2012 at 8:27 AM, John Drescher wrote:
>>>>> Any tips, greatly appreciated.
>>>>>>   Put the OS / database on an SSD. Get at least a 64GB one for improved
>>>>> write endurance.
>>>>>
>>>> You probably want to also record to more than 1 storage group at a time.
>>>> I would use independent disks.
>>>>
>>> I don't think you need to record to more than one storage group to get
>>> load balancing over several disks.
>>> Actually I am sure you would want to.
>>>
>>> As I understand it, if you connect several disks to one storage group
>>> then MythTV will do the balancing according to the criteria you choose.
>>>
>> Right.  The confusion here is (once again) that a Storage Group is just a
>> name for a list of directories.  Too many people think that "Storage Group"
>> means directory.  It does not.  :)
>>
>> http://www.gossamer-threads.**com/lists/mythtv/users/516083#**516083<http://www.gossamer-threads.com/lists/mythtv/users/516083#516083>
>>
>> has an example of Storage Groups and directories.
>>
>> So, basically, you need one or more Storage Groups, such that those
>> Storage Groups contain directories, which provide access to multiple file
>> systems, ideally such that you have as many file systems available as you
>> will do concurrent recordings.  So, if you're doing 20 concurrent
>> recordings, you'd ideally have 20 file systems available within the Storage
>> Group(s) you use, which means you'd have at least 20 directories specified
>> within the one Storage Group.
> Would that mean you would ideally want 20 storage groups per disc for 20
> streams or 20 spread over the various disc's your using?

You'd want 20 /directories/ in your one "Default" Storage Group.

Those 20 directories would point to 20 different file systems, ideally 
on 20 different disks.

Mike