Monitor the state of your Amazon EC2 Dedicated Hosts - Amazon Elastic Compute Cloud
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Monitor the state of your Amazon EC2 Dedicated Hosts

Amazon EC2 constantly monitors the state of your Dedicated Hosts. Updates are communicated on the Amazon EC2 console. You can view information about a Dedicated Host using the following methods.

Console
To view the state of a Dedicated Host

  1. Open the Amazon EC2 console at https://console.amazonaws.cn/ec2/.

  2. In the navigation pane, choose Dedicated Hosts.

  3. Locate the Dedicated Host in the list and review the value in the State column.

Amazon CLI
To view the state of a Dedicated Host

Use the describe-hosts Amazon CLI command and then review the state property in the hostSet response element.

aws ec2 describe-hosts --host-id h-012a3456b7890cdef
PowerShell
To view the state of a Dedicated Host

Use the Get-EC2Host Amazon Tools for Windows PowerShell command and then review the state property in the hostSet response element.

PS C:\> Get-EC2Host -HostId h-012a3456b7890cdef

The following table explains the possible Dedicated Host states.

State Description
available Amazon hasn't detected an issue with the Dedicated Host. No maintenance or repairs are scheduled. Instances can be launched onto this Dedicated Host.
released The Dedicated Host has been released. The host ID is no longer in use. Released hosts can't be reused.
under-assessment Amazon is exploring a possible issue with the Dedicated Host. If action must be taken, you are notified via the Amazon Web Services Management Console or email. Instances can't be launched onto a Dedicated Host in this state.
pending The Dedicated Host cannot be used for new instance launches. It is either being modified to support multiple instance types, or a host recovery is in progress.
permanent-failure An unrecoverable failure has been detected. You receive an eviction notice through your instances and by email. Your instances might continue to run. If you stop or terminate all instances on a Dedicated Host with this state, Amazon retires the host. Amazon does not restart instances in this state. Instances can't be launched onto Dedicated Hosts in this state.
released-permanent-failure Amazon permanently releases Dedicated Hosts that have failed and no longer have running instances on them. The Dedicated Host ID is no longer available for use.