Bug 2081914

Summary:	client: add option to disable collecting and sending metrics
Product:	[Red Hat Storage] Red Hat Ceph Storage	Reporter:	Xiubo Li <xiubli>
Component:	CephFS	Assignee:	Xiubo Li <xiubli>
Status:	CLOSED ERRATA	QA Contact:	Yogesh Mane <ymane>
Severity:	high	Docs Contact:	Akash Raj <akraj>
Priority:	unspecified
Version:	5.1	CC:	akraj, ceph-eng-bugs, tserlin, vereddy
Target Milestone:	---
Target Release:	5.1z2
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	ceph-16.2.7-115.el8cp	Doc Type:	Bug Fix
Doc Text:	.MDS daemons no longer crash when receiving metrics from new clients Previously, in certain scenarios, newer clients were being used for old CephFS clusters. While upgrading old CephFS, `cephadm` or `mgr` used newer clients to perform checks, tests or configurations with an old Ceph cluster. Due to this, the MDS daemons crashed when receiving unknown metrics from newer clients. With this fix, the `libceph` clients send only those metrics that are supported by MDS daemons to MDS as default. An additional option to force enable all the metrics when users think it's safe is also added.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-06-30 20:54:48 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	2099589

Description Xiubo Li 2022-05-05 01:24:16 UTC

Description of problem:

When upgrading from the old cephs, for example ceph-16.2.4, which doesn't support the new metrics yet and the MDS daemons will abort themselves directly when they receive unknown metric data.

Version-Release number of selected component (if applicable):


How reproducible:

50%


Steps to Reproduce:
1. Upgrade from ceph-16.2.4 to ceph-16.2.7 or any ceph-17.X.Y.

Actual results:

Upgrading succeeds.

Expected results:

Sometimes will fail.

Additional info:

Comment 1 RHEL Program Management 2022-05-05 01:24:22 UTC

Please specify the severity of this bug. Severity is defined here:
https://bugzilla.redhat.com/page.cgi?id=fields.html#bug_severity.

Comment 9 errata-xmlrpc 2022-06-30 20:54:48 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Red Hat Ceph Storage 5.1 Bug Fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:5450