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Date:      Tue, 03 Jan 2012 23:01:54 +1000
From:      Dan Carroll <fbsd@dannysplace.net>
To:        krad <kraduk@gmail.com>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: ZFS With Gpart partitions
Message-ID:  <4F02FC42.1040103@dannysplace.net>
In-Reply-To: <CALfReyfvOCMpBdndf7UYydmGnUqt2cBYWdhYXaOANbQ_CFHoVA@mail.gmail.com>
References:  <4F003EB8.6080006@dannysplace.net> <CALfReyfvOCMpBdndf7UYydmGnUqt2cBYWdhYXaOANbQ_CFHoVA@mail.gmail.com>

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On 3/01/2012 10:27 PM, krad wrote:
> Just a not you dont appear to be 4k aligned on this drive. As the 
> drive capacity is > 1.5 Tb you probably should be. You will also be 
> ashift=9 as well. This may or may not be a problem for you. 

That was intentional, as I *thought* these drives were not 4k sector 
drives.   I am not sure how I am supposed to tell.   They are WD RE4 drives.
I confess, however to knowing nothing about ashift=9.....   Could you 
elaborate?

-D



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