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followup: fixup the directory number, refactor

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2020-07-20 14:39:02 +02:00
parent e9b44bec01
commit 538c2b6dcf
1 changed files with 6 additions and 6 deletions
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docs/administration-guide.rst
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@ -139,12 +139,12 @@ or ``zfs``) to store the backup data.
Datastores are identified by a simple *ID*. You can configure it
when setting up the backup server.
.. note:: The `File Layout`_ requires the file system to support more than
65537 subdirectories per directory. This excludes certain filesystems and
filesystem configuration from being supported as datastore. For example
``ext4`` without the ``dir_nlink`` feature (which is enabled by default)
and ``ext3``.
.. note:: The `File Layout`_ requires the file system to support at least *65538*
subdirectories per directory. That number comes from the 2\ :sup:`16`
pre-created chunk namespace directories, and the ``.`` and ``..`` default
directory entries. This requirement excludes certain filesystems and
filesystem configuration from being supported for a datastore. For example,
``ext3`` as a whole or ``ext4`` with the ``dir_nlink`` feature manually disabled.
Datastore Configuration