[mythtv-users] Test drives with hdparm
veehexx at gmail.com
Thu Aug 11 14:15:39 UTC 2011
numbers look fine.
if you SSH in, do you see anything abnormal when running 'top' (CPU spikes
On 11 August 2011 14:52, Josu Lazkano <josu.lazkano at gmail.com> wrote:
> Hello list, I am having some pauses on MythTV, I read lots of post but
> I don't know why is happening. I read this morning that it will be
> about the disk transfer rate. So I check my drive.
> I have a Western Digital Green 2TB drive:
> Model Number: WDC WD20EARS-00MVWB0
> Serial Number: WD-XXXXXXXXXXXX
> Firmware Revision: 51.0AB51
> Transport: Serial, SATA 1.0a, SATA II Extensions, SATA Rev
> 2.5, SATA Rev 2.6
> I format with XFS this way:
> mkfs.xfs -l size=64m -d agcount=4 -i attr=2,maxpct=5 -L mythfs /dev/sdb1
> I mount it thi way:
> # cat /etc/fstab
> /dev/sdb1 /mnt/myth xfs noatime,nodiratime,allocsize=512m 0 0
> I execute the test and this is the result:
> # hdparm -tT /dev/sdb
> Timing cached reads: 1326 MB in 2.00 seconds = 662.71 MB/sec
> Timing buffered disk reads: 368 MB in 3.00 seconds = 122.66 MB/sec
> Are thoose numbers correct? I need to configure it other way?
> I have no other machine to compare the result. I save the recordings
> and livetv on same drive.
> Thanks for your help and best regards.
> Josu Lazkano
> mythtv-users mailing list
> mythtv-users at mythtv.org
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