From: Loic Dachary Date: Mon, 2 Mar 2015 11:09:13 +0000 (+0100) Subject: doc: ext4 has a journal X-Git-Tag: v9.0.0~230^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=7f36312ab6757813fb04914a2cde60e37da89508;p=ceph.git doc: ext4 has a journal Signed-off-by: Loic Dachary --- diff --git a/doc/rados/configuration/filesystem-recommendations.rst b/doc/rados/configuration/filesystem-recommendations.rst index fa605728065..b5a938f66d6 100644 --- a/doc/rados/configuration/filesystem-recommendations.rst +++ b/doc/rados/configuration/filesystem-recommendations.rst @@ -55,9 +55,10 @@ it for ``btrfs`` and ``XFS``.:: Filesystem Background Info ========================== -The ``XFS`` and ``btrfs`` file systems provide numerous advantages in highly -scaled data storage environments when `compared`_ to ``ext3`` and ``ext4``. -Both ``XFS`` and ``btrfs`` are `journaling file systems`_, which means that +The ``XFS``, ``btrfs`` and ``ext4`` file systems provide numerous advantages in highly +scaled data storage environments when `compared`_ to ``ext3``. + +``XFS``, ``btrfs`` and ``ext4`` are `journaling file systems`_, which means that they are more robust when recovering from crashes, power outages, etc. These filesystems journal all of the changes they will make before performing writes.