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br: support imdsv2 to retrive IAM Role #18934

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br: support imdsv2 to retrive IAM Role #18934

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br: support imdsv2 to retrive IAM Role
3pointer Sep 18, 2024
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Update br/backup-and-restore-storages.md
hfxsd Sep 18, 2024
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4 changes: 4 additions & 0 deletions br/backup-and-restore-storages.md
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Expand Up @@ -112,6 +112,10 @@ Before backup, configure the following privileges to access the backup directory

If you have not yet created a backup directory, refer to [Create a bucket](https://docs.aws.amazon.com/AmazonS3/latest/userguide/create-bucket-overview.html) to create an S3 bucket in the specified region. If necessary, you can also create a folder in the bucket by referring to [Create a folder](https://docs.aws.amazon.com/AmazonS3/latest/userguide/using-folders.html).

> **Note:**
>
> In 2024, AWS changed the default behavior, and newly created instances now only support IMDSv2 by default. For more details, see [Set IMDSv2 as default for all new instance launches in your account](https://aws.amazon.com/about-aws/whats-new/2024/03/set-imdsv2-default-new-instance-launches/). Therefore, starting from v8.4.0, BR supports obtaining IAM role permissions on AWS EC2 instances with only IMDSv2 enabled. When using earlier versions of BR, you need to configure the instance to support both IMDSv1 and IMDSv2.

It is recommended that you configure access to S3 using either of the following ways:

- Method 1: Specify the access key
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