From: David Moreau Simard Date: Fri, 22 Aug 2014 14:55:55 +0000 (-0400) Subject: Doc: Add config option to turn off crush update X-Git-Tag: v0.86~227^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=2c2748519d202653a77fb8ebd7f9292b123a1422;p=ceph.git Doc: Add config option to turn off crush update Signed-off-by: David Moreau Simard --- diff --git a/doc/rados/operations/crush-map.rst b/doc/rados/operations/crush-map.rst index 7328865dfe6..01c48d45025 100644 --- a/doc/rados/operations/crush-map.rst +++ b/doc/rados/operations/crush-map.rst @@ -80,8 +80,9 @@ Note: ceph-crush-location hook ------------------------ -The ``ceph-crush-location`` utility will generate a default CRUSH location -string for a given daemon. The location is based on, in order of preference: +By default, the ``ceph-crush-location`` utility will generate a CRUSH +location string for a given daemon. The location is based on, in order of +preference: #. A ``TYPE crush location`` option in ceph.conf. For example, this is ``osd crush location`` for OSD daemons. @@ -95,6 +96,11 @@ ceph.conf to describe that machine's location within the datacenter or cluster. This will be provide location awareness to both Ceph daemons and clients alike. +It is possible to manage the CRUSH map entirely manually by toggling +the hook off in the configuration:: + + osd crush update on start = false + Custom location hooks ---------------------