[mythtv-users] Is this a failing drive?
Mark Lord
mythtv at rtr.ca
Tue Nov 22 16:02:59 UTC 2011
On 11-11-22 10:22 AM, Don Brett wrote:
> I sent an email to Asus; we'll see what happens from there. In the
> meantime, I had missed the suggestion to check the smartctl ouput (I'll
> add this command to my toolbox...thank-you-very-much). Not sure what
> all this means, but here it is:
..
> Output for reallocated sector count is:
>
> SMART Attributes Data Structure revision number: 16
> Vendor Specific SMART Attributes with Thresholds:
> ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH
> TYPE UPDATED WHEN_FAILED RAW_VALUE
>
> 5 Reallocated_Sector_Ct 0x0033 252 252
> 010 Pre-fail Always - 0
The "RAW_VALUE" at the end of the line is normally the count,
and here it is zero. Indicating NO bad sectors.
So the drive is probably 100% okay.
> Output for logs at end of report is:
>
> Error 42 occurred at disk power-on lifetime: 150 hours (6 days + 6 hours)
> When the command that caused the error occurred, the device was
> active or idle.
>
> After command completion occurred, registers were:
> ER ST SC SN CL CH DH
> -- -- -- -- -- -- --
> 84 51 00 00 00 00 a0
>
> Commands leading to the command that caused the error were:
> CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
> -- -- -- -- -- -- -- -- ---------------- --------------------
> ec 00 00 00 00 00 a0 08 00:00:03.662 IDENTIFY DEVICE
> ec 00 00 00 00 00 a0 08 00:00:03.662 IDENTIFY DEVICE
> ef 03 46 00 00 00 a0 08 00:00:03.662 SET FEATURES [Set transfer
> mode]
> ef 10 02 00 00 00 a0 08 00:00:03.662 SET FEATURES [Reserved for
> Serial ATA]
> 27 00 00 00 00 00 e0 08 00:00:03.662 READ NATIVE MAX ADDRESS EXT
..
That flurry of commands all happened at the same time,
more or less. Not sure what the problem was,
but likely just some software trying features that
the drive didn't understand.
The power-on time for them all was around 150 hours,
which gives you a clue as to when, and perhaps what
was happening.
Compare that with the Power_On_Hours attribute from higher up
in the output to get an idea of how long ago that activity occurred.
Cheers
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