Reconfiguring vPars v6 memory with zero downtime

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# vparstatus -p 2 -v
[Virtual Partition Details]
Number: 2
Name: vPar0002
RunState: UP
State: Active
…
[Memory Details]
Total Memory(MB): 9216
Floating Memory(MB): 3072
…
[Memory OL* Details]
Operation : MEM change
Base Memory(MB) : 0
Floating Memory(MB) : 2048
Status: PASS
Now, the 2 GB of memory that was freed from vPar0002 is available for use by other vPar or VM guests. This can be
seen from the hpvmstatus output.
# hpvmstatus -s
…
Total memory allocated for vPars and VMs = 57280 Mbytes
Memory in use by vPars and VMs = 53056 Mbytes
Available memory for vPars and VMs = 4224 Mbytes
…
As enough memory is available in the vPar/VM memory pool now, the VM guest should be able to start successfully.
# hpvmstart -p 7
(C) Copyright 2000 - 2012 Hewlett-Packard Development Company, L.P.
Mapping vPar/VM memory: 4096MB
…
hpvmstart: Successful start initiation of vPar or VM ‘SHVM0007’
Technical white paper | HP-UX vPars and Integrity VM v6.2