[mythtv-users] Problems with multiple pvr cards
Brian Walter
blwalter at gmail.com
Wed May 9 14:40:52 UTC 2007
John Drescher wrote:
>> Well, I think I have isolated it to something in the disk subsystem. I
>> upped the default write buffer in libmythtv, and, lo and behold, the
>> error now only occurs once every 30 minutes...
>>
>>
> Are you using raid or lvm? I am betting that this is when all four
> (three cards and hard drive controller) devices need dma at the same
> time.
>
> John
>
LVM (for the time being).
That sounds reasonable. So I'm probably 'covering a multitude of sins'
with this wig :)
I don't suppose there's some way to 'distribute' DMA requests such that
they don't conflict...?
Brian
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