A fix is available
APAR status
Closed as new function.
Error description
New function: RMF support of WLM Group Capacity enhancements and absolute LPAR capacity limits on the IBM zEnterprise EC12 and BC12 servers (D/T2827).
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: RMF user's . * **************************************************************** * PROBLEM DESCRIPTION: RMF support of WLM Group Capacity * * enhancements and absolute LPAR * * capacity limits on the IBM zEnterprise * * EC12 and BC12 servers (D/T2827). * * * * Following RMF reports are extended: * * - Postprocessor Partition Data report * * - Postprocessor Group Capacity report * * - Monitor III CPC Capacity report * * * * Following SMF record is extended: * * - SMF 70 subtype 1 CPU Activity * * * * New overview conditions are added * * based on SMF record 70 subtype 1. * **************************************************************** * RECOMMENDATION: * **************************************************************** New function APAR to provide RMF support for the gathering and reporting of WLM Group Capacity enhancements and absolute LPAR capacity limits on the IBM zEnterprise EC12 and BC12 servers. WLM uses initial weights to distribute the group capping limit when it becomes necessary to enforce the group limits. RMF adds new fields to SMF record 70-1 and takes the new WLM functionality into account when reporting about capacity groups. RMF adds support to report on the new absolute LPAR capacity limit that can be defined via the logical partition controls of the Hardware Management Console (HMC). The Postprocessor Partition Data report and the Monitor III CPC Capacity report display whether either Initial Capping or an absolute LPAR capacity limit was active during a reporting interval. New RMF Postprocessor overview conditions based on SMF record 70-1 can be used to do a more detailed analysis of the hardware capping options. +--------------------------------------------------------------+ >>>>>> POSTPROCESSOR CPU ACTIVITY REPORT <<<<<< The Postprocessor Partition Data report section is enhanced to reflect the hardware capping option of a partition. Affected fields are CAPPING Shows capping information for a partition. DEF The hardware capping option of the partition: YES or NO. This field indicates whether the operator has applied any hardware capping mechanism in the logical partition controls of the Hardware Management Console (HMC) for the partition. The value 'YES' identifies that either 'Initial Capping ON' or an absolute physical hardware capacity limit (maximal number of CPUs) has been defined. The field is only useful to logical partitions with shared processors. Dedicated partitions can be thought of as automatically capped. ... The Postprocessor Group Capacity report section takes into account the partition's weighting of the shared processor resources which is used for WLM Group Capacity decisions. Affected fields are WGT The partition's weighting of the shared processor resources which is used for WLM Group Capacity decisions. In case of hard capped partitions (see field CAPPING DEF), dashes (---) are displayed. MINIMUM ENTITLEMENT The minimum share of the MSU limit defined for the capacity group that the partition receives, even if all other partitions within the capacity group are running high workload. N/A is displayed for hard capped partitions. +--------------------------------------------------------------+ >>>>>> MONITOR III CPC CAPACITY REPORT <<<<<< The Monitor III CPC Capacity report is modified to provide complete information about the hardware capping mechanisms defined for a partition. The meaning of field 'Cap Def' has changed: Cap Def The hardware capping option of the partition: YES or NO. This field indicates whether the operator has applied any hardware capping mechanism in the logical partition controls of the Hardware Management Console (HMC) for the partition. The value 'YES' identifies that either 'Initial Capping ON' or an absolute physical hardware capacity limit (maximal number of CPUs) has been defined. A new field CPCPHWCC is declared for use with the RMF utility. It provides the absolute physical hardware capacity limit in numbers of CPUs. The already existing field CPCPCAPI is now declared for the utility. It reflects whether Initial Capping was defined for a partition. The RMF Distributed Data Server lists the values of CPCPCAPI and CPCPHWCC when a request for LPAR resource details is issued. +--------------------------------------------------------------+ >>>>> SMF RECORD TYPE 70 TO 79 - RMF PRODUCT SECTION <<<<< The SMF record level change number SMFxxSRL at offset 51 (x33) changes to 104 (x68). >>>>> SMF RECORD TYPE 70 SUBTYPE 1 - CPU ACTIVITY <<<<< The PR/SM Partition Data Section is changed. OFFSET NAME LEN FORMAT DESCRIPTION ... 56 x38 SMF70PFL 2 binary Additional partition flags. Bit Meaning When Set ... 3 Initial weight instead of current weight should be used to project usage of the members in the capacity group. 4-15 Reserved. The PR/SM Logical Processor Data Section is changed. OFFSET NAME LEN FORMAT DESCRIPTION ... 12 xC SMF70VPF 1 binary Logical processor flags. Bit Meaning When Set ... 3 'Initial Capping' was set to 'ON' on the Hardware Management Console 4 'Initial Capping' status has changed during the interval 5 ... 6 SMF70HW_Cap_Limit has changed during the interval 7 Reserved. ... 72 x48 SMF70HW_Cap_Limit 4 binary If not zero, absolute limit on partition usage of all CPUs of the type indicated in SMF70CIX in terms of numbers of hundredth of CPUs. 76 x4C 4 Reserved. +--------------------------------------------------------------+ >>>>>> POSTPROCESSOR OVERVIEW CONDITIONS <<<<<< Following new and changed overview conditions are provided for SMF record type 70 subtype 1: CONDITIONS CONDITION QUAL. SOURCE ALGORITHM NAME -------------------+---------+------+---------+----------------- Group weight GCWEIGHT group SMF70PFL Sum(BPS) if SMF70BPS PFL(Bit 3) is SMF70ACS set for all partitions in capacity group, otherwise Sum(ACS) -------------------+---------+------+---------+----------------- Minimum MINENT lpar SMF70PFL MIN(MSU,GMU*BPS/ entitlement SMF70BPS Sum(BPS)) if SMF70ACS PFL(Bit 3) is SMF70GMU set for all SMF70MSU partitions in capacity group, otherwise MIN(MSU,GMU*ACS/ Sum(ACS)) -------------------+---------+------+---------+----------------- Initial Capping INICAP lpar SMF70VPF 1 if VPF(Bit 3) for general is set, purpose processors otherwise 0 -------------------+---------+------+---------+----------------- Absolute physical LIMCPU lpar SMF70HW_ HW_Cap_Limit/100 hardware capacity Cap_Limit limit in numbers of CPUs for general purpose processors -------------------+---------+------+---------+-----------------
Problem conclusion
Temporary fix
Comments
Keyword D/T2827 .
APAR Information
APAR number
OA40539
Reported component name
RMF
Reported component ID
566527404
Reported release
770
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2012-10-04
Closed date
2013-09-03
Last modified date
2013-10-03
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UA70637 UA70638 UA70639 UA70640
Modules/Macros
ERBDUCPU ERBEXCIT ERBEXCPU ERBFMTS3 ERBMFCLS ERBMFDCP ERBMFIZS ERBMFRCR ERBPCTBL ERBRMFPP ERBSMFI ERBSMF70 ERB3CPC7 ERB3GCPC ERB3GCTC ERB3GGSS ERB3GSMF ERB3GSMM ERB3RACC ERB3RCDC ERB3RPUT ERB3RSDC ERB3RTBR GPMDDSRV GPMHTC
Fix information
Fixed component name
RMF
Fixed component ID
566527404
Applicable component levels
R77J PSY UA70639
UP13/09/14 P F309
R770 PSY UA70637
UP13/09/14 P F309
R78J PSY UA70640
UP13/09/14 P F309
R780 PSY UA70638
UP13/09/14 P F309
Fix is available
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Document Information
Modified date:
03 October 2013