Amazon EC2 的 Auto Recovery

2015/01/12 先前在「Amazon EC2 Auto Recovery now available in the US East (N. Virginia) Region」這邊發表了,不過剛剛在「New – Auto Recovery for Amazon EC2」這邊看到消息。

重點在於偵測到問題時會重開機,並且保持原來的 instance id、IP address、Elastic IP address、EBS 以及其他外部設定:

The instance will be rebooted (on new hardware if necessary) but will retain its Instance Id, IP Address, Elastic IP Addresses, EBS Volume attachments, and other configuration details.

而被限制在比較新的硬體上,並且目前只有 us-east-1 有:

This feature is currently available for the C3, C4, M3, R3, and T2 instance types running in the US East (Northern Virginia) region; we plan to make it available in other regions as quickly as possible.

當時看到就覺得很實用了,後來在建立一些底層的 infrastructure 時,覺得其他區沒這功能頗難處理。有在 us-east-1 放機器的人可以測試看看。

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