Re: RAID6 issues

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On Tue, 13 Sep 2011 19:05:41 +1000
Andriano <chief000@xxxxxxxxx> wrote:

> Connected one of the offenders to HBA port, and hdparm outputs this:
> 
> #hdparm -N /dev/sdh
> 
> /dev/sdh:
>  max sectors   = 3907027055/14715056(18446744073321613488?), HPA
> setting seems invalid (buggy kernel device driver?)

You could just try "hdparm -N p3907029168" (capacity of the 'larger' disks), but that could fail if the device driver is indeed buggy.

Another possible course of action would be to try that on some other controller.
For example on your motherboard you have two violet ports, http://www.gigabyte.ru/products/upload/products/1470/100a.jpg
those are managed by the JMicron JMB363 controller, try plugging the disks which need HPA to be removed to those ports, AFAIR that JMicron controller works with "hdparm -N" just fine.

-- 
With respect,
Roman

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