[mythtv-users] How much horespower for frontend?
John Drescher
drescherjm at gmail.com
Tue Sep 26 20:07:15 UTC 2006
>
>
> I got this:
> [root at mythtv ~]# hdparm -d1 /dev/hda1
>
> /dev/hda1:
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Invalid argument
> using_dma = 1 (on)
> [root at mythtv ~]# hdparm -tT /dev/hda1
>
> /dev/hda1:
> Timing cached reads: 608 MB in 2.00 seconds = 303.62 MB/sec
> Timing buffered disk reads: 118 MB in 3.01 seconds = 39.16 MB/sec
> [root at mythtv ~]#
> [root at mythtv ~]# hdparm -d1 /dev/hdd1
>
> /dev/hdd1:
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Invalid argument
> using_dma = 1 (on)
> [root at mythtv ~]# hdparm -tT /dev/hdd1
>
> /dev/hdd1:
> Timing cached reads: 596 MB in 2.00 seconds = 298.07 MB/sec
> Timing buffered disk reads: 70 MB in 3.02 seconds = 23.19 MB/sec
> [root at mythtv ~]#
>
> Can test whether it affected anything with playback yet.
Ahh (I just erased a long post because I see the problem)...
You can not use /dev/hda1 with hdparm -d you must use the drive itself.
hdparm -d1 /dev/hda
Also can you post the output of just hdparm /dev/hda
John
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