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can you please explain this about hot-add on features

Created: Jul 30, 2022 09:02:57Latest reply: Aug 1, 2022 11:25:00 135 3 0 0 0
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i learned about the hot-add on but in fusioncompute if a VM is running or stopped state , can we increase or decrease the number of vCPU 

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olive.zhao
Admin Created Jul 30, 2022 09:22:15

Hello friend!


In the Arm architecture, the adjustment of the CPU resource control policy takes effect online. Reduce the number of CPUs, which needs to be modified offline. To increase the number of CPUs or adjust the number of cores in each slot, restart the system for the modification to take effect.


In the x86 architecture, the conditions for adjusting CPU attributes to take effect vary depending on the CPU hot-add policies.


  • Disable: the adjustment of the CPU resource control policy takes effect online. Reduce the number of CPUs, which needs to be modified offline. To increase the number of CPUs or adjust the number of cores in each slot, restart the system for the modification to take effect.


  • Enable CPU hot add: when the number of CPUs is added or the CPU resource control policy is adjusted, the CPU hot add takes effect online. Reduce the number of CPUs, which needs to be modified offline.


Hope this helps!

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Thomas_Tan
Thomas_Tan Admin Created Jul 30, 2022 09:04:19

Hello, dear.

It's nice to meet you in the community.

We're working on getting the right answer for you. Please rest assured that we'll be back with an answer shortly.
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olive.zhao
olive.zhao Admin Created Jul 30, 2022 09:22:15

Hello friend!


In the Arm architecture, the adjustment of the CPU resource control policy takes effect online. Reduce the number of CPUs, which needs to be modified offline. To increase the number of CPUs or adjust the number of cores in each slot, restart the system for the modification to take effect.


In the x86 architecture, the conditions for adjusting CPU attributes to take effect vary depending on the CPU hot-add policies.


  • Disable: the adjustment of the CPU resource control policy takes effect online. Reduce the number of CPUs, which needs to be modified offline. To increase the number of CPUs or adjust the number of cores in each slot, restart the system for the modification to take effect.


  • Enable CPU hot add: when the number of CPUs is added or the CPU resource control policy is adjusted, the CPU hot add takes effect online. Reduce the number of CPUs, which needs to be modified offline.


Hope this helps!

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Saqibaz
Saqibaz Created Aug 1, 2022 11:25:00

Good answer
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