[Gllug] IBM Ultrastar HD noise...?

[Tethys]

Stephen Harker writes:

>> My disk is exactly the same, i.e. IBM IC35L018UWD210-0
>
>No I didn't
>They still make the same sound and they still work fine. Someone 
>suggested that it was a power-save thing but thats as far as I got. They 
>are servers and I don't hear them most of the time...

I get exactly the same thing. I added one of these drives to my machine
a week or so ago, and since then it's been making the whine-squeak noise
every few minutes. Other than that, it seems to be working fine. From
/proc/scis/scsi:

  Host: scsi1 Channel: 00 Id: 06 Lun: 00
    Vendor: IBM      Model: IC35L018UWD210-0 Rev: S5BS
    Type:   Direct-Access                    ANSI SCSI revision: 03

Someone on the LKML speculated that it was the drive performing
thermal reclaibration, but I don't know whether that's genuinely
the cause or not.

Tet

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