Re: ASM and disk partitions offset

  • From: "Radoulov, Dimitre" <cichomitiko@xxxxxxxxx>
  • To: Stalin Subbiah <stalinsk@xxxxxxxxx>
  • Date: Thu, 16 Feb 2012 11:12:31 +0100

On Thu, Feb 16, 2012 at 7:29 AM, Stalin Subbiah <stalinsk@xxxxxxxxx> wrote:
> I believe it was also done to align ASM disks with stripe size which is 
> generally in multiples of 2. At least this was the case with Linux, using 
> fdisk for disk partitions.

Thanks Stalin,
but what that means: that a partition beginning at the first cylinder
is not aligned with the HW stripe size (presumably a power of 2)?

I've asked if the storage team had some special requirement (or
suggestion) as far as the first cylinder of the partitions is
concerned and I've received a generic reply that I shouldn't bother.


Best regards
Dimitre


> On Feb 13, 2012, at 3:13 PM, "Radoulov, Dimitre" <cichomitiko@xxxxxxxxx> 
> wrote:
>
>> I meant:
>>
>> now I remember that once, when I was setting up a test RAC on Solaris, I
>> wasn't able to make the partitions visible for asm disk creation
>> [...]
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>
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