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Bug 1799006

Summary:	open wal error: wal: file not found
Product:	Red Hat Enterprise Linux 7	Reporter:	Siddhant More <simore>
Component:	etcd	Assignee:	Jan Chaloupka <jchaloup>
Status:	CLOSED ERRATA	QA Contact:	atomic-bugs <atomic-bugs>
Severity:	high	Docs Contact:
Priority:	urgent
Version:	7.8	CC:	alpatel, dornelas, jchaloup, leiwang, lsm5, mfojtik, mirollin, openshift-bugs-escalate, rbost, rjaiswal, rsunog, sbatsche, sburke, skolicha, weshen
Target Milestone:	rc	Keywords:	Extras
Target Release:	7.8	Flags:	simore: needinfo- sbatsche: needinfo-
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	etcd-3.2.28-1.el7_8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:
Clones:	1828433 (view as bug list)		Environment:
Last Closed:	2020-05-12 19:50:31 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:	1186913, 1810426, 1828433

Description Siddhant More 2020-02-06 13:10:25 UTC

Description of problem:

etcd pod into CrashLoopBackoff with the above error. Possible reason being data directory corrupted/deleted. However the wal files seem intact.   


Version-Release number of selected component (if applicable):
etcd: 3.2.26

How reproducible:
Happens randomly in the environment. Affecting the production env. 

Steps to Reproduce:
Unable to find a reproducer. We have enabled audit logs on the data directory to identify if any process is causing corruption to the data.  

Additional info:
Removing and adding back the failed existing etcd member solves it.
However, the Cu is pushing us to find the exact reason behind to mitigate the issue.

Comment 1 Sam Batschelet 2020-02-10 11:49:05 UTC

This bug was resolved upstream and is available via 3.2.28. We will work to get this available to 3.11.

[1] https://github.com/etcd-io/etcd/pull/11308
[2] https://github.com/etcd-io/etcd/blob/master/CHANGELOG-3.2.md

Comment 27 errata-xmlrpc 2020-05-12 19:50:31 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, 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-2020:2115