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Re: Do other owners of WD Gold disks hear a periodic plonk ?



	Hi.

On Fri, Jul 24, 2020 at 11:35:34PM +0200, Thomas Schmitt wrote:
> Reco wrote:
> > Have you tried to disable drive heads parking via hdparm?
> 
> hdparm -J ?
> The man page says "The factory default is eight (8) seconds".
> That would be about twice as long as what i experience.
> 
>   # hdparm -J /dev/sda
> 
>   /dev/sda:
>   SG_IO: bad/missing sense data, sb[]:  70 00 05 00 00 00 00 0a 04 53 00 00 21 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   SG_IO: bad/missing sense data, sb[]:  70 00 05 00 00 00 00 0a 04 53 00 00 21 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   SG_IO: bad/missing sense data, sb[]:  70 00 05 00 00 00 00 0a 04 53 00 00 21 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   SG_IO: bad/missing sense data, sb[]:  70 00 05 00 00 00 00 0a 04 53 00 00 21 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>    wdidle3      = disabled
> 
> The sense data bear KEY=0x5, ASC= 0x21, ASCQ=0x04.
> Key 5 means: "Illegal request".
> From MMC-5 i read for ASC=0x21 only ASCQ 0 to 3:
>   5 21 00 LOGICAL BLOCK ADDRESS OUT OF RANGE
>   5 21 01 INVALID ELEMENT ADDRESS
>   5 21 02 INVALID ADDRESS FOR WRITE
>   5 21 03 INVALID WRITE CROSSING LAYER JUMP
> In SPC-3 the ASC=0x21 list ends already at ASCQ=2.
> SBC-2 lists no own error codes.
> Without knowing the failed command, it is quite obscure what happened.

It is its way of saying it's an unsupported feature and you cannot
disable drive heads parking this way. Was worth the shot.


> > What about smartctl long test, does it show anything suspicious?
> 
> I never used smartctl up to now.

It's simple:

smartctl -t long /dev/sda

# wait for the amount of time it says the test will go.

smartctl -a /dev/sda

Reco


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