"Victor Zhang" <[email protected]> wrote in message
news:<listserv%[email protected]>...
> Hi experts,
> One of software will use a dataset to store locking information. The
> software uses SYSTEMS enq to get exclusive use of the dataset.
> The software is storagetek's library station, and the manual said:
> To prevent the corruption of the PDF, LibraryStation issues a SYSTEMS
ENQ. The
> ENQ QNAME is the HSC ENQ QNAME specified by the MAJNAME parameter of
> the HSC LIBGEN. The ENQ RNAME is LS:ACTIVE.
> If you make LibraryStation software available to more than one host,
you are
> responsible for propagating the SYSTEMS ENQ to each host. This can be
done via
> Global Resource Serialization (GRS) or a functionally equivalent
product.
> 
> My question is:
> If more than one software instance started up on other lpars which are
not
> in same sysplex,  how can systems enq be properly propagating?
> 
> Regards
> Victor
> 

The product that can do that is CA-MIM. A MIM-plex can span sysplexes.
Doesn't is also issue a Reserve? That's how you normally protect your
datasets over systems.

Kees.
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