Bug 1348940 – Restart of RBD daemon is again initiating full Sync/Copy of an Image

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Bug 1348940 - Restart of RBD daemon is again initiating full Sync/Copy of an Image

Summary:	Restart of RBD daemon is again initiating full Sync/Copy of an Image

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Ceph Storage
Classification:	Red Hat
Component:	RBD (Show other bugs)
Sub Component:
Version:	2.0
Hardware:	x86_64 Linux

Priority	high Severity high
Target Milestone:	rc
Target Release:	2.1
Assigned To:	Jason Dillaman
QA Contact:	Rachana Patel
Docs Contact:	Bara Ancincova

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:	1322504 1383917
	Show dependency tree / graph

Reported:	2016-06-22 07:07 EDT by Tanay Ganguly
Modified:	2017-07-30 11:27 EDT (History)
CC List:	7 users (show)

See Also:
Fixed In Version:	RHEL: ceph-10.2.3-2.el7cp Ubuntu: ceph_10.2.3-3redhat1xenial
Doc Type:	Bug Fix
Doc Text:	.Image synchronization no longer starts from the beginning after restarting `rbd-mirror` When the `rbd-mirror` daemon was restarted during image synchronization, the synchronization started from the beginning. With this update, the sync point object number is updated periodically during the synchronization. As a result, the image synchronization no longer starts from the beginning after restarting `rbd-mirror`.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2016-11-22 14:27:00 EST
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Ceph Project Bug Tracker	15108	None	None	None	2016-06-22 07:56 EDT
Red Hat Product Errata	RHSA-2016:2815	normal	SHIPPED_LIVE	Moderate: Red Hat Ceph Storage security, bug fix, and enhancement update	2017-03-21 22:06:33 EDT

Groups: None (edit)

Description Tanay Ganguly 2016-06-22 07:07:42 EDT

Description of problem:
w.r.t BUG https://bugzilla.redhat.com/show_bug.cgi?id=1348928, after the restart of RBD mirror daemon the sync starts from beginning.

Version-Release number of selected component (if applicable):
10.2.2-5.el7cp.x86_64

Steps to Reproduce:
1. If there is a rbd daemon restart in between the syncing of the Image, then it again starts from the beginning.

An Image of size 100GB was synced 70% and it took around 4.30 hours,then i hit the BUG(1348928)
It again started the re-sync process from the beginning, i.e. 0%

bigimage1:
  global_id:   1ebacfa8-fa2b-4c0a-8d38-56cbbee90507
  state:       up+syncing
  description: bootstrapping, IMAGE_COPY/COPY_OBJECT 21%
  last_update: 2016-06-22 10:51:30

Actual results:
Starting from beginning.

Expected results:
Copying/Re-sync should start where it left off.

Additional info:

Comment 1 Ken Dreyer (Red Hat) 2016-06-22 12:39:31 EDT

Brett/Jason to make recommendations for the customer here...

Comment 4 Jason Dillaman 2016-08-10 15:13:40 EDT

Upstream pull request: https://github.com/ceph/ceph/pull/9699

Comment 11 Rachana Patel 2016-10-20 21:12:21 EDT

Verified with 10.2.3-8.el7cp.x86_64
Working as expected hence moving to Verified

Comment 15 errata-xmlrpc 2016-11-22 14:27:00 EST

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://rhn.redhat.com/errata/RHSA-2016-2815.html

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