Issue in CA Vantage with volume ADD

Document ID : KB000120921
Last Modified Date : 13/11/2018
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Issue:
We have active functionalities of SAMS ( scripts, automation and volume add ) running on one LPAR which is A580 due to decommission of A580 we tried to move the SAMS functionalities to B090 LPAR . All the scripts DTOC , POOL SCAN all worked good excepted VOLUME addition. Then we tried to backout the change and moved all these functions back to A580 but still VOLUME add not worked where it was previously running good at A580. 

While added volume for one storage group ,
It took up UCB , and SPARE VOLSER  , then SAMS tried to DISNEW the volume , then tried to OFFLINE across all LPARS , it did OFFLINE but volume not initialized and failed , then ENABLED  the SPARE VOLSER.

 Got  error message 

VANSMSAC FDRABR.VDV976C                                                         
VANSMSAC FILTSTAT='SG NAME' =     DP3          AND CUA1     = 0000                      
EWSLSMSA % ALLOCATED=085                                                        
EWSLSMSA VOLUME CNT =002984                                                     
EWSLSMSA FREE BYTES =3,885,363,840,744                                          
EWSLSMSA TOTAL BYTES=25,658,589,080,160                                         
EWSLSMSA LARGEST EXT=       3,225,598,200                                       
EWSLSMSA ADDVOL   COMPLETED SUCCESSFULLY                                        
EWSLSMSA COULD NOT ENQ SMSSPARE TABLE. TRY LATER: RC=04                         
VANSMSAC RCODE FROM GENCONSW =8                                                 
GENCONSL ESP507E Missing or invalid agent name in prefix: R0145QP10HB, received 
GENCONSL VARY SMS,VOLUME(PDN100,B090),ENABLE....................................
GENCONSL IEF196I AUTOCMNX1I CMNEMNX1-I CICSMP2J (PCICMP2J) No action required.  
VANSMSAD RCODE FROM GENCONSW =8
Resolution:
Vantage is waiting for console messages confirming the offline requests.
Vantage expects the confirming message IEE421I RO *ALL which never comes, so Vantage believes OFFLINE is failing, so the whole adding of the volume is failing and the subsequent INIT is intentionally not requested.
Vantage is not aware of the change done by OPS. Then, a next spare volume is selected and it fails again.
Using SMSROUTE (TEAN) Vantage will issue ROUTE TEAN instead of the ROUTE *ALL and also will expect IEE421I RO TEAN confirming messages.
So, it should start working after this change of the Vantage system parameter. It is probably not necessary to change anything in OPS, assumed ROUTE TEAN is accepted by OPS and will not be modified.
When changing to TEAN it is working fine.