From: Neha Ojha Date: Tue, 7 Dec 2021 17:47:22 +0000 (+0000) Subject: doc/releases/pacific.rst: add core updates for 16.2.7 X-Git-Tag: v17.1.0~234^2~1 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=3ff947895322b2217e54ae1483c9442d765f02eb;p=ceph-ci.git doc/releases/pacific.rst: add core updates for 16.2.7 16.2.7 fixes https://tracker.ceph.com/issues/53062, so remove the "big scary warning" from the top of the pacific release page. We continue to warn about this bug under the 16.2.6 section and in https://docs.ceph.com/en/latest/releases/pacific/#upgrading-from-octopus-or-nautilus. Signed-off-by: Neha Ojha --- diff --git a/doc/releases/pacific.rst b/doc/releases/pacific.rst index 9c7dad7b2b2..ca253bdcb0c 100644 --- a/doc/releases/pacific.rst +++ b/doc/releases/pacific.rst @@ -2,33 +2,6 @@ Pacific ======= -Pacific is the 16th stable release of Ceph. It is named after the -giant pacific octopus (Enteroctopus dofleini). - -.. DANGER:: DATE: 01 NOV 2021. - - DO NOT UPGRADE TO CEPH PACIFIC FROM AN OLDER VERSION. - - A recently-discovered bug (https://tracker.ceph.com/issues/53062) can cause - data corruption. This bug occurs during OMAP format conversion for - clusters that are updated to Pacific. New clusters are not affected by this - bug. - - The trigger for this bug is BlueStore's repair/quick-fix functionality. This - bug can be triggered in two known ways: - - (1) manually via the ceph-bluestore-tool, or - (2) automatically, by OSD if ``bluestore_fsck_quick_fix_on_mount`` is set - to true. - - The fix for this bug is expected to be available in Ceph v16.2.7. - - DO NOT set ``bluestore_quick_fix_on_mount`` to true. If it is currently - set to true in your configuration, immediately set it to false. - - DO NOT run ``ceph-bluestore-tool``'s repair/quick-fix commands. - - v16.2.7 Pacific =============== @@ -42,6 +15,7 @@ Notable Changes bluestore-quick-fix-on-mount parameter is set to true or ceph-bluestore-tool's quick-fix/repair commands are invoked. Relevant tracker: https://tracker.ceph.com/issues/53062 + bluestore-quick-fix-on-mount continues to be set to false, by default. * MGR: The pg_autoscaler will use the 'scale-up' profile as the default profile. 16.2.6 changed the default profile to 'scale-down' but we ran into issues @@ -66,6 +40,16 @@ Notable Changes through a set of steps to help them configure their Ceph cluster: expanding the cluster by adding more hosts, detecting and defining their storage devices, and finally deploying and configuring the different Ceph services. + +* OSD: When using mclock_scheduler for QoS, there is no longer a need to run any + manual benchmark. The OSD now automatically sets an appropriate value for + `osd_mclock_max_capacity_iops` by running a simple benchmark during + initialization. + +* MGR: The global recovery event in the progress module has been optimized and + a `sleep_interval` of 5 seconds has been added between stats collection, + to reduce the impact of the progress module on the MGR, especially in large + clusters. Changelog ---------