[mythtv-users] Test drives with hdparm

[Josu Lazkano]

2011/8/11 Tim Draper <veehexx at gmail.com>:
> numbers look fine.
>
> if you SSH in, do you see anything abnormal when running 'top' (CPU spikes
> etc)
>
> 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
>>
>> /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
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>
>
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>

Thanks Tim, when I connect to SSH I have a problem with large shell
output, for example, if I execute "dmesg" it disconnect, I must close
the session and connect again.

I don't know to solve it.

Thanks and best regards.

-- 
Josu Lazkano