I don't have any FAS270's, but would the following work? If the new disks are the same size as the old disks, is to do a "disk replace" and migrate data from one of the old disks on the other "head" to the required disk on this new shelf. And then transfer ownership of that old disk that you "replaced" from, to the "head" that you want to have all the new disks?

Davin.

At 12:46, on Mar 20, 2006, "Glenn Walker" wrote:

You have it down correctly - in the expansion shelves, one disk must be owned by one head, the others can be owned by the other head. More specifically, it's slot 1 and slot 0 that matter - this is for SES...

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From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of jeff.mery@ni.com Sent: Monday, March 20, 2006 11:32 AM To: toasters@mathworks.com Subject: FAS270c disk ownership

=20

Hi Everyone,=20 One of our sites has a FAS270c to which they are going to add a shelf (DS14MkII w/ 5 x 300GB disks). These are the only FAS200-series systems we have and we've never added hardware to them. We would like to add all the disks to a single FAS270 node. However, based on what I can see in the documentation, each system must own at least one of the SES disks in each shelf.=20

This means that one disk must be assigned to node #1 and then the others can all be assigned to node #2. Do I have it straight? I'd like to assign them all to node #2 without wasting a 300GB disk on "management overhead". Is that possible?=20

Jeff Mery - MCSE, MCP National Instruments