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vm hotplug mem and cpu

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Details:when you   had  hotplug vm(guest os :linux  like redhat 5.9 and below or windows 2003) mem or cpu  property  done in vCenter.The guset os  can't recongnize the hotplug part.


Solution:

hotplug  mem

grep line /sys/devices/system/memory/*/state

echo online > /sys/devices/system/memory/memory[number]/state 

 

hot plug cpu

echo 1 > /sys/devices/system/cpu/cpu*/online

grep "processor" /proc/cpuinfo


PS:windows 2003 and below  should reboot guest os to recongnize the hotplug part.

linux 6.x and UP ,windows 2008 and up can automatic recongnize .


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