PowerMax 2500: STAR fails to activate, congroup did not trip when the command was issued.

Code: 10.2.0.0, 10.2.0.1, 10.2.0.2 running STAR or SQAR
STAR or SQAR fails to activate.
Congroup did not trip when the trip command was issued.
Congroup was unresponsive when trying to issue a REFRESH.
Congroup start or stop issues.
Mainframe
FMAP
No errors posted internally.

HOST ERRORS:

In a normal operating environment, STAR rotates and resets the SDDF sessions through the SCF1496I and SCF1497I messages. Recovery is made available and noted through the SCF1525I message.

07.18.43 S0327595  SCF1523I MSC - GROUP=STAR                      GLOBAL CONSISTENCY HAS BEEN ACHIEVED      

07.18.43 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 00000003 IS 07:18:43.20

07.18.53 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 00000004 IS 07:18:53.11            

07.19.03 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 00000005 IS 07:19:03.11            

07.19.13 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 00000006 IS 07:19:13.11            

07.19.23 S0327595  SCF1525I MSC - GROUP=STAR                      STAR RECOVERY IS NOW AVAILABLE                           

07.19.23 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 00000007 IS 07:19:23.11            

07.19.33 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 00000008 IS 07:19:33.11            

07.19.34 S0327595  SCF1496I MSC - GROUP=STAR                       Perform STAR SDDF RESET for Session 1                   

07.19.43 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 00000009 IS 07:19:43.11            

07.19.53 S0327595  SCF1564I MSC - GROUP=STAR                      TIME OF DAY FOR CYCLE 0000000A IS 07:19:53.11            

07.19.53 S0327595  SCF1497I MSC - GROUP=STAR                       Perform STAR SDDF RESET for Session 2



Since we cannot query the state of sessions because they go missing in the syscall, SCF1496I or SCF1497I messages will not be seen. Recovery does not get enabled (SCF1525I) as a result of this.

Another indicator of the problem is that the SCF15DEI message is seen constantly, coupled with no SCF1496I or SCF1497I messages.

13.06.53 J0888660  SCF15DEI MSC - GROUP=STAR                      (cuu,grp) SDDF RESET IN PROGRESS  



Or SDDF outright fails:

12.22.40 J0827876  SCF154CE MSC - GROUP=STAR                      (cuu,grp) SDDF RESET processing failed in Symm 0000000-000000  

This is due to a microcode issue. The FMAP is not consistent across all directors. The Map Bit and the Check Bit are inconsistent. The syscall 9242_02 is not returning all devices that were registered for the STAR session. This is due to recent changes that went into the code beginning at 10.2.0.0. This can cause a failure of a trip command, or the refresh becoming unresponsive. This issue does not affect an active STAR session. It is seen during a STAR activation.

Contact the Support Center and quote this article ID.

Workaround:

Disable all FMAP by Inlines by Support.

**This change does not survive a reset (IML) of any sort. After a reset (code upgrade, director replacement, so on), this workaround must be done once again as soon as possible.**

Permanent Solution:
All FMAP (RECA or SDDF) is disabled at 10.2.0.x (PMOS-66435) and 10.3.0.0.