Plan CPU and Memory Allocations
■
Unallocated resources – These resources are placed in the CPU and memory repositories
when Root Domains are created, or by leaving some resources unallocated when you use
the osc-setcoremem command.
In this example, the resources for the dedicated domains and the unallocated resources are
summed to provide total resources. The Root Domain resources are not included in total
resources.
Domain Domain Type Cores Before Memory Before
(GB)
primary
Dedicated 32 512
ssccn2-dom1
Dedicated 16 256
ssccn2-dom2
Dedicated 16 256
ssccn2-dom3
Dedicated 16 256
ssccn2-dom4
Dedicated 16 256
ssccn2-dom5
Root n/a n/a
Unallocated Resources 28 448
Total Resources 124 1984
3.
Based on your site requirements, and the type and number of domains on
SuperCluster, decide how to allocate CPU and memory for each domain.
This is an example of a plan that reduces resources for primary, ssccn2-dom2, ssccn2-dom4,
so that the resources are parked (unallocated). The parked resources can later be used by I/O
Domains.
The total resources for before and after columns should match. This check ensures that all
resources are accounted for in your plan.
Domain Domain Type Cores Before Cores
After
Memory
Before (GB)
Memory
After (GB)
primary
Dedicated 32 16 512 256
ssccn2-dom1
Dedicated 16 16 256 256
ssccn2-dom2
Dedicated 16 8 256 64
ssccn2-dom3
Dedicated 16 16 256 256
ssccn2-dom4
Dedicated 16 4 256 64
ssccn2-dom5
Root n/a n/a n/a n/a
Unallocated Resources 28 64 448 1088
Total Resources 124 124 1984 1984
Maintaining the System 177
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