W dniu 2012-06-15 01:07, Skip Robinson pisze:
Our operators never 'change IPL address'. They select the appropriate LOAD
profile on the HMC before IPL. We don't find it necessary on a regular
basis, but each LOAD profile can contain a unique LOADPARM value where the
specified LOADxx suffix points to a unique IPLPARM member. That way no one
has to edit anything on a regular basis. Each LOADxx can specify a unique
concatenation of IEASYMxx members. All controlled by LOAD profile.

That's really good approach for "static scenario" - always the same system is IPLed of given LPAR. However sometimes there is a need to "dynamically" change the system, for example this week we run MVS123, next week we will run MVS456 on the same LPAR. In such case you have to change IPL parameters. Of course there is still possibility to choose IEASYMxx inplicitly, via LOADyy.

Regarding your operators - they never change the IPL parameters. Possible reasons:
a) there is no such need - that's OK
b) there are not allowed, or they cannot - in this case IMHO they need some education. An operator which knows more than he need to do his daily job is really better.



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Lodz, Poland






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