Central Storage Layout; Central Storage Dynamic Storage Reconfiguration Examples - IBM Z9 Planning Manual

Central Storage Dynamic Storage Reconfiguration Examples

Figure 3-1 shows an example of central storage with dynamic storage
reconfiguration capability. This figure shows LP-A, LP-B, and LP-C.
Addressable
Figure 3-1. Central Storage Layout
To reconfigure central storage, deactivate LP-B to free up storage directly above
LP-A. Figure 3-2 on page 3-15 shows how you may reconfigure central storage in
this case.
3-14
PR/SM Planning Guide
1024 GB
1022 GB
Storage
30GB
Installed
Storage
8 GB
4 GB
0 GB
HSA
Unused Addressability
LP-C
ORIG = 8 GB INIT = 22 GB
LP-B (CS0)
ORIG = 4 GB INIT = 4 GB
LP-A (CS0)
ORIG = 0 INIT = 4 GB
RSVD = 0
LP-A
CS1
RSVD = 0
RSVD = 4 GB