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Update packages/aws-cdk-lib/aws-efs/README.md
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Co-authored-by: Luca Pizzini <lpizzini7@gmail.com>
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badmintoncryer and lpizzinidev committed Jan 2, 2024
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Expand Up @@ -64,9 +64,13 @@ new efs.FileSystem(this, 'OneZoneFileSystem', {
})
```

⚠️ Performance Mode Compatibility: The oneZone option is not compatible with the MAX_IO performance mode. An error will be thrown if these two options are used together.
⚠️ Availability Zone Selection: When oneZone is enabled, the file system is automatically placed in the first availability zone of the VPC. It is not currently possible to specify a different availability zone.
⚠️ Mount Target Creation: When using oneZone, mount targets will be created only in the specified availability zone. This is to prevent deployment failures due to cross-AZ configurations.
⚠️ One Zone file systems are not compatible with the MAX_IO performance mode.

⚠️ When `oneZone` is enabled, the file system is automatically placed in the first availability zone of the VPC.
It is not currently possible to specify a different availability zone.

⚠️ When `oneZone` is enabled, mount targets will be created only in the specified availability zone.
This is to prevent deployment failures due to cross-AZ configurations.

### IAM to control file system data access

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