[mythtv-users] Source of my IOBOUND problem?
myth at dermanouelian.com
Wed Jun 6 16:33:58 UTC 2007
On Jun 6, 2007, at 9:25 AM, Craig Huff wrote:
>> Date: Wed, 6 Jun 2007 07:49:11 +0100
>> From: "David Raine" <rainecc at gmail.com>
>> Subject: Re: [mythtv-users] Source of my IOBOUND problem?
>> It looks like your HD subsystem is just not keeping up with that
>> hda is totally maxed.
>> 1. Put in a 2nd HD on SATA (much faster bus subsystem if you have
>> mobo support)
>> 2. Separate the OS/DB and the /video/recordings onto different HD's
> I believe you, but...
> I had been under the impression (apparently wrong) that three (3)
> SD recording streams
> would not approach the available bandwidth of a standard
> (reasonably current) PATA disk.
> Did I choose a clunker drive?
You also have to consider system overhead on the drive. mysql
activity can cause lots of i/o and if you are short on memory, paging
will bring your drive to its knees.
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