Bug 1322752

Summary:	An error "Must specify storage creation parameters for non-existent path" occurs when doing virt-clone with --preserve-data
Product:	Red Hat Enterprise Linux 7	Reporter:	Xiaodai Wang <xiaodwan>
Component:	virt-manager	Assignee:	Pavel Hrdina <phrdina>
Status:	CLOSED NOTABUG	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	7.3	CC:	juzhou, mxie, mzhan, tzheng, xzhong
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	1342438 (view as bug list)		Environment:
Last Closed:	2016-06-03 07:30:43 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:
Bug Depends On:
Bug Blocks:	1342438

Description Xiaodai Wang 2016-03-31 09:10:09 UTC

Description of problem:
An error "Must specify storage creation parameters for non-existent path" occurs when doing virt-clone with --preserve-data

Version-Release number of selected component (if applicable):
virt-manager-1.2.1-8.el7.noarch

How reproducible:
100%

Steps to Reproduce:
1. Prepare a shutdown vm.
2. Clone the vm with --preserve-data options and with a non-existent file.
# virt-clone -o vm1 -n vm2 -f /var/lib/libvirt/images/vm2 --preserve-data
or 
# virt-clone -o vm1 --auto-clone --preserve-data

Actual results:
An error occurs as below.
ERROR    Could not use path '/vm1-new.img' for cloning: Must specify storage creation parameters for non-existent path '/vm1-new.img'.

Expected results:
virt-clone should not report error and create a vm successfully.

Additional info:

Comment 2 Pavel Hrdina 2016-06-03 07:30:43 UTC

This isn't a bug.  If you use --preserve-data you have to provide an existing disk image via --file options.  The --preserve-data means that virt-clone will not modify in any way disk images specified via --files, it will use those files directly for the new guest created by this clone command, which means that the disk images must exists.  Man page for virt-clone states the same.