Rob,

On Thu, May 09, 2019 at 11:18:33AM +0000, Rob Berendt wrote:

Summarized: You configure multiple NWSD's for each guest.

One NWSD per guest serves up only tape and optical.
CHGNWSD NWSD(DOMTEST0) ALWDEVRSC(*ALLOPT *ALLTAPE) PWRCTL(*NO)

All the other NWSD's per guest serves up only disk.
CHGNWSD NWSD(DOMTEST1) ALWDEVRSC(*UNRSTD) RSTDDEVRSC(*ALLOPT *ALLTAPE)

It looks like I have a little work to do. Our host has two NWSD's
configured for each guest. From their descriptions it looks like one of
each pair was intended for disk and the other for tape. But they're both
configured with ALWDEVRSC(*UNRSTD) RSTDDEVRSC(*NONE). I wish we could
virtualize our tape library. But, from a document linked to in another
recent thread, with our tape library and SAS controllers we would only be
able to virtualize the library in serial mode. We'd loose all the library
functionality.

We have three guests, and multiple optical drives appear on each guest. The
host has one physical and one virtual optical drive. Each guest has three
or four type 632C virtualized optical drives showing up. One guest has one
optical drive with type *OPT. And each guest has one type 632B virtual
optical drive, which I think is local to each guest, not virtualized.

On this page:

https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_74/rzam4/rzam4clientvirtdevices.htm

it says:

If you define multiple Network Server descriptions, then you must use
the RSTDDEVRSC or ALWDEVRSC parameters to prevent the same device from
appearing multiple times on the client partitions.

I think I've also seen recommendations against that in some recent threads
here. Is there a better way to prevent the same device from appearing
multiple times on the guest partitions?





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