Kees,

--- <snip> ---
I suppose you select the icons on the HMC and do a deactivate for them. We
concluded that our CF's were activated before the z/OS LPARS and in our
case, DB2 immediately started recovery for its lost structures. Shortly
after that, the z/OS LPAR was deactivated and on a restart the found
situation was not as we expected, because DB2 had already started recovery
and was interupted in that process.
---</snip> ---

I payed attention to this during earlier tests (systems and dasd failure)
but I am not sure how we have done it this time. I'll try again. I haven't
look in the operlog (operlog structure was in the lost CF and was never
rebuilt), just in the syslogs.

--- <snip> ---
We found out that we had to deactivate the z/OS LPAR first and had to
deactivate the CF LPAR within the XCF timeout value, to prevent other
systems in the sysplex from starting recovery actions. This really simulated
a full machine outage as expected.
--- </snip> ---

Thank you, Kees.

Zaromil

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