[libvirt-users] Hot memory and cpu update

[usha.basavaraju at fluentsoft.com]

Runing domain xml

vv.XMLDesc(0)

n  ub_test1n  714dde02-76c9-7d45-25af-e50f0a54f4bcn  545792n  545792n 
4n  n    hvmn    n  n  n    n  n  n  destroyn  restartn 
destroyn  n    /usr/bin/kvmn    n      n      n     
n      n      n    n    n      n      n   
n    n      n      n    n    n      n     
n      n      n      n      n    n    n     
n      n    n  n  nn"

>>> vv.info()
[1, 545792L, 545792L, 1, 6320000000L]

1.
>>> vv.setMemoryFlags(545794)
libvir: QEMU Driver error : invalid argument: cannot set memory higher than
max memory
Traceback (most recent call last):
  File "", line 1, in 
  File
"/home/fluent/cvt/convirt-enterprise/tg2env/local/lib/python2.7/site-packages/libvirt.py",
line 1781, in setMemoryFlags
    if ret == -1: raise libvirtError ('virDomainSetMemoryFlags()
failed', dom=self)
libvirt.libvirtError: invalid argument: cannot set memory higher than max
memory
>>> vv.setMemoryFlags(545790)
0

>>> vv.info()
[1, 545792L, 545792L, 1, 6480000000L]

>>> vv.setMemoryFlags(545788)
0
>>> vv.info()
[1, 545792L, 545792L, 1, 6480000000L]
 

If increase memory giving the above. if decreased memory it is running the
command successfully but not changing the value

2.Vcpu update

>>> vv.setVcpusFlags(2)
libvir: QEMU Driver error : internal error got wrong number of vCPU pids
from QEMU monitor. got 4, wanted 2
Traceback (most recent call last):
  File "", line 1, in 
  File
"/home/fluent/cvt/convirt-enterprise/tg2env/local/lib/python2.7/site-packages/libvirt.py",
line 1884, in setVcpusFlags
    if ret == -1: raise libvirtError ('virDomainSetVcpusFlags() failed',
dom=self)
libvirt.libvirtError: internal error got wrong number of vCPU pids from
QEMU monitor. got 4, wanted 2
>>> vv.setVcpusFlags(5)
libvir: QEMU Driver error : invalid argument: requested vcpus is greater
than max allowable vcpus for the domain: 5 > 4
Traceback (most recent call last):
  File "", line 1, in 
  File
"/home/fluent/cvt/convirt-enterprise/tg2env/local/lib/python2.7/site-packages/libvirt.py",
line 1884, in setVcpusFlags
    if ret == -1: raise libvirtError ('virDomainSetVcpusFlags() failed',
dom=self)
libvirt.libvirtError: invalid argument: requested vcpus is greater than max
allowable vcpus for the domain: 5 > 4
 

Cant increase or decrease vcpu.

 

 

 

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