[mythtv-users] Fwd: Fast Forwarding Slow on USB hard drives
Steve Peters - Priority Electronics
steve at priorityelectronics.com
Fri Jul 27 23:44:52 UTC 2007
Came out to 971.09 MB/sec for timing cached
And for timing buffered disk reads, 25.11 mb/sec (now keep in mind that I
was in the middle of transcoding 3 movies at the same time)...Also, keep in
mind that the fast forwarding problem occurs when the system is running
nothing but mythtv (ie, no transcoding going on).
Also, last night when I hdparm'd it with the drive idle, it gave me 30mb/sec
(internally it gives 75mb/sec, but 30 should be enough). The reason I can't
put it internal is because I have already filled up the case (2 drives,
small case), and also, the case is inside an enclosed cabinet, and it is
nice for heat reasons to have the drive outside the cabinet.
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of John Drescher
Sent: Friday, July 27, 2007 3:47 PM
To: Discussion about mythtv
Subject: [mythtv-users] Fwd: Fast Forwarding Slow on USB hard drives
On 7/27/07, Steve Peters - Priority Electronics
<steve at priorityelectronics.com> wrote:
> It can do 75 when it's internal (It's an IDE drive), but even at 40,
I saw that it was IDE a second after posting. Sorry.
> should still be good enough when you consider that the entire file
> isonly 500mb for a 90 minute video.
Can you do an hdparm -tT on the device. Perhaps it is running at USB1.1
John M. Drescher _______________________________________________
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