Statuses
This section lists the possible statuses of instance groups and instances (VMs) in a group.
Note
The statuses of instances in groups are different from the statuses of instances in Compute Cloud.
Group statuses
|
Status |
Description |
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The group is being created or modified. |
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The group is starting. |
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The group is running. If activated in the settings, autohealing and scaling will be on in groups with this status. |
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The group's instances are running; however, updates, autohealing, and scaling are paused. Note You cannot pause an instance group that is being deleted. Also, you cannot run any operations for paused instance groups. |
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The group's instances and processes are coming to a halt. |
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All the group's instances and processes are stopped. |
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The group is being deleted. The first to be deleted are the group's instances, next the network load balancer target group, if specified. Finally, the instance group itself gets deleted. |
Statuses of instances in the group
| Status | Description |
|---|---|
CREATING_INSTANCE |
The instance is being created and started. Instance Groups is waiting for the instance in Compute Cloud to get the RUNNING status. |
AWAITING_STARTUP_DURATION |
The instance has been created and is waiting for the user application to start up within the specified upload period. Network traffic is not being sent to the instance. For automatic scaling, instances with this status are not taken into account. |
CHECKING_HEALTH |
Instance Groups is waiting for the results of its own health checks of the instance. You can limit the time in this status (see Settings for application health checks). |
OPENING_TRAFFIC |
If an instance group is integrated with the load balancing service, Instance Groups waits until the instance passes a health check from the load balancer and is ready to accept traffic from it. You can limit the time in this status (see Health checks from load balancers). If the integration is disabled, the status is skipped. |
AWAITING_WARMUP_DURATION |
The instance is receiving traffic, but no autoscaling metrics are read from it during the specified time interval. |
RUNNING_ACTUAL |
The instance is running and receiving network traffic. User applications are running. |
RUNNING_OUTDATED |
The instance is running but will soon be updated or deleted. |
CLOSING_TRAFFIC |
The instance is being removed from the network load balancer's target group. Network traffic from the load balancer to the instance is being stopped. |
STOPPING_INSTANCE |
The instance is being stopped. |
STOPPED |
The instance has been stopped. You are not charged for instances with this status. |
STARTING_INSTANCE |
The instance is starting. Instance Groups is waiting for the instance in Compute Cloud to get the RUNNING status. |
UPDATING_INSTANCE |
Basic parameters or metadata of the instance are being updated. |
DELETING_INSTANCE |
The instance is being deleted. |
PREPARING_RESOURCES |
Instance is being prepared for use with new instances. For example, the disks may be remained or their volume may be changed. |
DELETED |
The instance has been deleted. All data and resources associated with this instance are saved for later use. |
Lifecycle of instances in a group
The chart below shows how the instance status changes during the lifecycle:
: Instance Groups performs an action on the instance.
: The instance expects an action from Instance Groups.