From: CodingSpiderFox Date: Thu, 21 May 2020 08:50:58 +0000 (+0200) Subject: doc: clarify WAL in bluestore-config-ref.rst X-Git-Tag: v16.1.0~2194^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0e8cc431b63f6812ee00304ec660722ae11c9a6d;p=ceph.git doc: clarify WAL in bluestore-config-ref.rst Signed-off-by: CodingSpiderFox --- diff --git a/doc/rados/configuration/bluestore-config-ref.rst b/doc/rados/configuration/bluestore-config-ref.rst index 2cd6bf8be3d3..027444616cd6 100644 --- a/doc/rados/configuration/bluestore-config-ref.rst +++ b/doc/rados/configuration/bluestore-config-ref.rst @@ -20,7 +20,7 @@ and its private keyring. It is also possible to deploy BlueStore across two additional devices: -* A *WAL device* (identified as ``block.wal`` in the data directory) can be +* A *write-ahead log (WAL) device* (identified as ``block.wal`` in the data directory) can be used for BlueStore's internal journal or write-ahead log. It is only useful to use a WAL device if the device is faster than the primary device (e.g., when it is on an SSD and the primary device is an HDD).