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Merge pull request #390 from bgdnlp/efs-nfsv4-locks

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Remove the limitation tip about NFSv4 file locking
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Joshua Levy 2017-03-07 12:45:41 -08:00 • committed by GitHub
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@ -952,8 +952,7 @@ EFS
### EFS Gotchas and Limitations ### EFS Gotchas and Limitations
- 🔸 A number of NFSv4.1 features are [not supported](http://docs.aws.amazon.com/efs/latest/ug/nfs4-unsupported-features.html) and there are some [limits](http://docs.aws.amazon.com/efs/latest/ug/limits.html) to the service. - 🔸 A number of NFSv4.1 features are [not supported](http://docs.aws.amazon.com/efs/latest/ug/nfs4-unsupported-features.html) and there are some [limits](http://docs.aws.amazon.com/efs/latest/ug/limits.html) to the service.
- 🔸 As of 2016-11, EFS does not offer disk level encryption, though it is on the roadmap. - 🔸 As of 2017-02, EFS does not offer disk level encryption, though it is on the roadmap.
- ❗ Some applications, like SQLite and IPython, [might not work properly](https://sqlite.org/faq.html#q5) on EFS when accessed from multiple clients. This is because lock upgrades and downgrades are [not supported](http://docs.aws.amazon.com/efs/latest/ug/nfs4-unsupported-features.html). There might be [workarounds](https://github.com/ipython/ipython/issues/882) for some issues.
- 🔸 An EFS file system [can be mounted on premises](https://aws.amazon.com/efs/faq/#on-premises) over Direct Connect. - 🔸 An EFS file system [can be mounted on premises](https://aws.amazon.com/efs/faq/#on-premises) over Direct Connect.
- 🔸 An EFS file system can NOT be mounted over VPC peering or VPN, even if the VPN is running on top of Direct Connect. - 🔸 An EFS file system can NOT be mounted over VPC peering or VPN, even if the VPN is running on top of Direct Connect.
- 🔸 Using an EFS volume on Windows is not supported. - 🔸 Using an EFS volume on Windows is not supported.