From: Sage Weil Date: Tue, 13 Aug 2013 16:40:50 +0000 (-0700) Subject: doc/release-notes: upgrade sequence X-Git-Tag: v0.68~89 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f501ec7778a5976d1a6dfc77fd393c57af4d25c8;p=ceph.git doc/release-notes: upgrade sequence Signed-off-by: Sage Weil --- diff --git a/doc/release-notes.rst b/doc/release-notes.rst index ad68bde4f553..a80435267fe7 100644 --- a/doc/release-notes.rst +++ b/doc/release-notes.rst @@ -22,6 +22,25 @@ headline features for this release include: * Object namespaces in librados. +Upgrade Sequencing +~~~~~~~~~~~~~~~~~~ + +It is possible to do a rolling upgrade from Cuttlefish to Dumpling. + +#. Upgrade ceph-common on all nodes that will use the cli + +#. Upgrade all monitors (upgrade ceph package, restart ceph-mon + daemons). This can happen one daemon or host at a time. Note that + because cuttlefish and dumpling monitors can't talk to each other, + all monitors should be upgraded in relatively short succession to + minimize the risk that an a untimely failure will reduce + availability. + +#. Upgrade all osds (upgrade ceph package, restart ceph-osd daemons). + This can happen one daemon or host at a time. + +#. Upgrade radosgw (upgrade radosgw package, restart radosgw daemons). + Upgrading from v0.66 ~~~~~~~~~~~~~~~~~~~~