Re: hdparm almost burned my SATA disk

[Mark Lord <lkml@rtr.ca>]

Michal Piotrowski wrote:
> debian:/home/michal# hdparm -tT /dev/sda
>
> /dev/sda:
>  Timing cached reads:   3652 MB in  2.00 seconds = 1823.54 MB/sec
> HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate
> ioctl for device
>  Timing buffered disk reads:  174 MB in  3.01 seconds =  57.72 MB/sec
> HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate
> ioctl for device
> debian:/home/michal# hdparm -V
> hdparm v6.1
> debian:/home/michal# hdparm -I /dev/sda
>
> /dev/sda:
>  HDIO_DRIVE_CMD(identify) failed: Inappropriate ioctl for device
>

Harmless.  100% harmless.

The "Inappropriate ioctl for device" messages are due to the incomplete
implementation of HDIO_DRIVE_CMD in libata.  No big deal.  Once the
passthru patches finally get released for real, I'll update hdparm to
not use the missing ioctl.

Cheers
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