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Bug 1420407

Summary:	Live Merge: Reduce base volume size after live merge
Product:	[oVirt] vdsm	Reporter:	Ala Hino <ahino>
Component:	Core	Assignee:	Ala Hino <ahino>
Status:	CLOSED DUPLICATE	QA Contact:	Raz Tamir <ratamir>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	4.19.0	CC:	amureini, bugs, nsoffer, tnisan
Target Milestone:	ovirt-4.2.0	Flags:	rule-engine: ovirt-4.2+ rule-engine: exception+
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-06-14 09:55:56 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	Storage	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Ala Hino 2017-02-08 15:09:03 UTC

Description of problem:
During live merge, base volume size is extended to maximum, i.e. by top volume size + vol-chunk-size. This is a worst case calculation.
After live merge completes we have to reduce base volume size.

Steps to Reproduce:
1. Run live merge (make sure you copy some data to the top volume)
2.
3.

Actual results:
Base is extended by top's size

Expected results:
Base to be extend by data in top volume +/- 1gb

Comment 1 Nir Soffer 2017-02-22 19:54:33 UTC

This is too risky for 4.1, please reschedule this for 4.2.

Comment 2 Allon Mureinik 2017-04-23 15:47:03 UTC

The patches are abandoned, returning to NEW as a different solution should be designed.

Comment 3 Ala Hino 2017-06-14 09:55:56 UTC


*** This bug has been marked as a duplicate of bug 1168327 ***