Bug #49364: pg_autoscaler causes device_health_metrics pool to use 128 pgs preventing rgw from being deployed - mgr - Ceph

Bug #49364

pg_autoscaler causes device_health_metrics pool to use 128 pgs preventing rgw from being deployed

Added by Daniel Pivonka about 2 months ago. Updated about 1 month ago.

Status:

Fix Under Review

Priority:

Urgent

Assignee:

Kamoltat Sirivadhna

Category:

Target version:

% Done:

Source:

Tags:

Backport:

pacific, octopus, nautilus

Regression:

Severity:

1 - critical

Reviewed:

Affected Versions:

ceph-qa-suite:

Pull request ID:

39833

Crash signature (v1):

Crash signature (v2):

Description

when trying to deploy rgw on a master or pacific cluster the device_health_metrics pool is using 128 pgs. when you try to setup a rgw service it will attempt to create pools but it fails because there are not enough pgs left to stay under the mon_max_pg_per_osd limit.

this could be the result of changes to the pg autoscaler https://github.com/ceph/ceph/pull/38805 https://github.com/ceph/ceph/pull/39248

LXKPcmdN.txt View (3.14 KB) Daniel Pivonka, 02/18/2021 07:45 PM

History

#1 Updated by Neha Ojha about 2 months ago

reverting in octopus for now: https://github.com/ceph/ceph/pull/39560

#2 Updated by Neha Ojha about 2 months ago

Project changed from Ceph to mgr
Subject changed from device_health_metrics pool is using 128 pgs preventing rgw from being deployed to pg_autoscaler causes device_health_metrics pool to use 128 pgs preventing rgw from being deployed

Caused by https://tracker.ceph.com/issues/49118.