Hi

Thank you Lizette and Glenn.
As we have a separate test LPAR, seems to me easier to test independent in a unique system.

If we are here , maybe to ask Glenn how the the actual communication is working between a requester (RECALL or MIGRATE etc) and the HSM address space



On 05.12.2012 22:27, Glenn Wilcock wrote:
Hi Lizette,

If the intent is to test a different version of an Exit, then there is a 
possibility.  I've never verified that this works, but it's something that may 
be tried...

Use the MASH support to start an AUXILIARY HSM.  (Yes, I know, our 
documentation needs to be improved regarding MASH).  For the AUXILIARY HSM 
host, define the startup procedure with a STEPLIB of a library containing the 
desired exits, that are unique from the STEPLIB specified for the MAIN HSM 
host.  A second library would need to be specified that contains the other 
common modules (DFSMSdss, etc).  This should enable the AUX HSM to use unique 
exits.  If the Exits reference the MCVT control block, then they need to be 
updated to use the QCT to access the correct MCVT.

Note that the Control Data Sets will be the active ones, so all testing will 
need to be mindful of any impact that will occur to the live CDSes.

Glenn Wilcock
DFSMShsm Architect

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