You can certainly add a 17th drive without a problem, but it goes beyond that. IBM I doesn't know if there are also DVD or Virtual Opticals on the same vSCSI, so even if you add 16 drives, you might have screwed yourself if you only have one vSCSI per partition, as you won't get an optical.
From:midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Ofrob@xxxxxxxxx
Sent: Monday, September 30, 2013 7:53 AM
Subject: ADDNWSSTGL vs 17 drives
I opened up a DCR to IBM to ask them to add some error checking to stop you from adding a 17th drive with ADDNWSSTGL. Here was their reply:
User Group Number - MR0225137148
Document Status - Rejected
Title - Add error checking on ADDNWSSTGL to stop adding a 17th drive on a nwsd which only supports 16.
IBM does not intend to provide a solution to this request...
IBM goes on to show that it's documented in a few places, and posted the links, but thinks it's silly to add error checking to commands.
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