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IRD's objective is to optimise the use of computing resources while enabling WLM to meet its workload goals. So, for example, IRD will not vary offline logical processors to the point where doing so would cause workloads to miss their goals.
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Weight
Management - where IRD dynamically redistributes LPAR weights between members of an LPAR Cluster. (An LPAR Cluster is the set of members of a
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footprint.) The total of the weights for the LPAR Cluster remains constant as weights are shifted between the members. (
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Management - where logical channel paths are moved between members of an LPAR Cluster.
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Frank Kyne et al., z/OS Intelligent
Resource Director, IBM Redbook, SG24-5952
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processors on- and off-line. (This does not apply to
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Logical CP Management - where IRD dynamically varies
103:LPARs can also participate in Weight Management.)
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38:) is software that automates the management of
49:IRD is implemented as a collaboration between
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53:(WLM), a component of z/OS, and the
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161:IBM mainframe operating systems
1:
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32:Intelligent Resource Director
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10:
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146:Official z/OS WLM Homepage
72:Major IRD functions are:
166:IBM mainframe technology
57:Logical Partitioning (
42:resources and certain
16:Component of IBM z/OS
65:, a function of the
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124:Workload Manager
93:Parallel Sysplex
51:Workload Manager
28:operating system
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140:External links
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101:Linux on IBM Z
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21:IBM mainframes
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95:on a single
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23:running the
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46:resources.
155:Categories
130:Literature
69:hardware.
63:hypervisor
97:mainframe
67:mainframe
118:See also
78:logical
107:CHPID
86:zAAPs
82:zIIPs
55:PR/SM
59:LPAR
25:z/OS
84:or
44:I/O
40:CPU
36:IRD
19:On
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88:.)
61:)
30:,
34:(
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