3. HI GIO Auto Scale

This document guides using the Auto Scale function on HI GIO CLOUD.

• The network has IP addresses on a static IP Pool (used for applications without HI GIO Load Balancing).

• Load Balancer Pool and Virtual Service (used for applications with HI GIO Load Balancing).

• The vApp template of the VM needs to be scaled.
  
  

1. I. Create Scale Group

Step 1: Log in to HI GIO Portal > Applications > Scale Groups > NEW SCALE GROUP

Open

Step 2: In the General Settings:

• Pick an owner of the Scale Group.

• Pick an Organisation VDC.

• Enter Group Name.

• Number of Min VMs.

• Number of Max VMs.

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Step 3: In the Application Settings:

• Select the vApp template of the previously prepared application.

• Pick a Storage Policy.

Step 4: Select a network for the scale group in the Network Settings section.

• If you want to manage the load balancer on your own or if there is no need for a load balancer, select I have a fully set-up network:

  • Pick a Network.

  • Click CREATE GROUP AND ADD RULES.

• If your applications use HI GIO Load Balancing, select I have set-up a Load Balancer option.

  • Enter Network CIDR.

  • Pick Edge Gateway.

  • Pick Server Pool

  • Click CREATE GROUP AND ADD RULES.

Step 5: Set up Firewall rules depending on the application’s requirements.

1. II. Create Auto Scaling Rules

Step 1: Select Scale Group > Rules > ADD RULE.

Step 2: In the General tab:

• Name: enter rule name.

• Number of VMs: The number of VMs will scale.

• Behavior: Select whether the scale group must expand or shrink when the rule takes effect.

  • Grow: scale out.

  • Shink: scale in.

• Cool down: Enter a cooldown period in minutes after each auto scale in the group.

Step 3: In the Conditions tab, Add a condition that triggers the rule.

• Avg. Utilization:

  • CPU usage.

  • memory usage.

• Condition:

  • greater or equal to.

  • lower or equal to.

• Amount: in percent.

• Duration: The period when the condition must be valid to trigger the rule.

Reference document