Re: RAC Std: where to put 3rd voting disk with only 2 Storage Arrays

Hi

Normally for stretch clusters the 3rd voting disks is set in a third site using NFS, in your case you can probably set up a small server and place your third voting disk there

There is a WP on OTN about this setup.

Thanks

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LSC


On Dec 18, 2007 2:58 PM, bkaltofen_at_gmx.de <bkaltofen_at_gmx.de> wrote:



> Hello,

>

> we are about to install a RAC Standard Edition on two Solaris 10 Servers

> with two storage arrays. The arrays are attached to both servers with

> FCAL multi pathing.

> To keep running if one array fails, we would like to virtualize/mirror

> the storage using Sun Volume Manager (SVM).

>

> Can we put the (3) voting disks and the OCR on multi host meta devices

> (MD) created with SVM?

>

> If not, where do we put the third voting disk?

> --> We can mirror the data using ASM disk groups. We can put 1 OCR on a

> slice of each array. We can put 1 voting disk on a slice of each array,

> too.

> But, if we put one voting disk on array1 and two VD's on array2 we would

> lose the RAC, if array2 fails.

>

> Any sugestions?

>

> Bjoern

> --

> http://www.freelists.org/webpage/oracle-l

>

>

>


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