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DOCS-1094 add clarification for RH kernel level XFS/EXT4 #829

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DOCS-1094 add clarification for RH kernel level XFS/EXT4 #829

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5 changes: 4 additions & 1 deletion source/administration/production-notes.txt
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Expand Up @@ -51,6 +51,9 @@ use the Ext4 and XFS file systems if using the Linux kernel:
- If you use the XFS file system, use at least version 2.6.25 of the
Linux Kernel.

- If you are using a Red Hat distribution, at least version 2.6.245.el5
of the Linux Kernel is recommended.
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I think we should prefer the active/imperative voice of the previous version for these kinds of recommendations.


For MongoDB on Linux use the following recommended configurations:

- Turn off ``atime`` for the storage volume with the :term:`database
Expand Down Expand Up @@ -411,7 +414,7 @@ Additional Deployment Considerations
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

- Pick your shard keys carefully! There is no way to modify a shard
key on a collection that is already sharded.
key on a collection that is already sharded.

- You cannot shard an existing collection over 256 gigabytes. To shard
large amounts of data, create a new empty sharded collection, and
Expand Down