記事タイトルを
「EC2の計画停止に関して、本日出くわしたパターン」
から
「EC2インスタンスの停止通知に関して、本日出くわしたパターン」
に変更しました。
計画停止という言葉はサービス全体が止まるイメージがあるとのご指摘がありました。この記事では特定の機器メンテナンスの為にどうしても影響が出てしまうEC2インスタンスにのみ、こういった事が起きる事がある、という事です。
「EC2の計画停止に関して、本日出くわしたパターン」
から
「EC2インスタンスの停止通知に関して、本日出くわしたパターン」
に変更しました。
計画停止という言葉はサービス全体が止まるイメージがあるとのご指摘がありました。この記事では特定の機器メンテナンスの為にどうしても影響が出てしまうEC2インスタンスにのみ、こういった事が起きる事がある、という事です。
EC2インスタンスの停止通知に関して、本日出くわしたパターンをメモっておきます。
2011年2月5日に以下のようなメールが来ました。
Subject: Maintenance Affecting your Amazon EC2 Instance
Hello,
Some of your instances in the us-east-1 region are on hardware that requires maintenance. Your other instances that are not listed here will not be affected.
i-12345678
For the above instances, we recommend migrating to replacement instances to avoid any downtime. Your replacement instances would not be subject to this maintenance.
If you leave your instances running, you will lose network connectivity for up to one hour. The maintenance will start at 1:00pm GMT (5:00am PST) on Friday, February 11, 2011. After the maintenance is complete, network connectivity will be restored to your instances.
As always, we recommend keeping current backups of data stored on your instance.
Sincerely,
The Amazon EC2 Team
Hello,
Some of your instances in the us-east-1 region are on hardware that requires maintenance. Your other instances that are not listed here will not be affected.
i-12345678
For the above instances, we recommend migrating to replacement instances to avoid any downtime. Your replacement instances would not be subject to this maintenance.
If you leave your instances running, you will lose network connectivity for up to one hour. The maintenance will start at 1:00pm GMT (5:00am PST) on Friday, February 11, 2011. After the maintenance is complete, network connectivity will be restored to your instances.
As always, we recommend keeping current backups of data stored on your instance.
Sincerely,
The Amazon EC2 Team
「あなたの使っている i-12345678 というEC2インスタンスは、ハードウェアのメンテをします。メンテ中は小一時間ネットワークが使えなくなりますよ。」というものです。
今回は作業する時間もなくてしばらく放置しておりました。
すると、4日後にまたしてもメールがっ！（赤字は私が強調した部分です）
Subject: UPDATE: Maintenance Affecting your Amazon EC2 Instance
Hello,
We are following up on a maintenance notification we sent previously regarding Amazon EC2 instances listed below to clarify the impact of this maintenance. Only the instances listed here will be affected by this maintenance.
i-12345678
The maintenance will occur during a 4-hour window starting at 1:00pm GMT (5:00am PST) on Friday, February 11, 2011. During the maintenance, your instance will be powered off. After the maintenance is complete, power will be restored and your instance will reboot.
To avoid any downtime for the above instance, we recommend migrating to a replacement instance. Your replacement instance would not be subject to this maintenance.
As always, we recommend keeping current backups of data stored on your instance.
Sincerely,
The Amazon EC2 Team
Hello,
We are following up on a maintenance notification we sent previously regarding Amazon EC2 instances listed below to clarify the impact of this maintenance. Only the instances listed here will be affected by this maintenance.
i-12345678
The maintenance will occur during a 4-hour window starting at 1:00pm GMT (5:00am PST) on Friday, February 11, 2011. During the maintenance, your instance will be powered off. After the maintenance is complete, power will be restored and your instance will reboot.
To avoid any downtime for the above instance, we recommend migrating to a replacement instance. Your replacement instance would not be subject to this maintenance.
As always, we recommend keeping current backups of data stored on your instance.
Sincerely,
The Amazon EC2 Team
という訳で、Amazon EC2 Teamからのメールはよく読みましょうね！
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