Re: How to spin down the SATA hard drive on ARM target (Open-RD)?

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> How can this happen that hdparm replies with IO error when the device
> is there (and serving a working filesystem) ?


Guys,

I had a feeling to test hdparm -t/-T but it confuses me even more:

hdparm -t /dev/sda  <and>  hdparm -T /dev/sda

seem to work, providing reasonable stats.

Here is the output from the latter one:

root@XXXX:~# hdparm -T /dev/sda

/dev/sda:
 Timing cached reads:     436 MB in  2.01 seconds = 217.11 MB/sec

Any clues?


-- 
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Perl programmer * C coder * Firmware engineer
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