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+++ This bug was initially created as a clone of Bug #927495 +++

Description of problem:
The issue also reproduced on rhel6 
The code about option --timeout of command blockpull , blockcopy don't handle char type properly , and then it will lead to something like

1.
#virsh blockcopy test1 vda /var/lib/libvirt/images/bak3 --wait --timeout /
Now in mirroring phase
# echo $?
0

2.
#virsh blockcopy test1 vda /var/lib/libvirt/images/bak4 --wait --timeout asdfasdf
Now in mirroring phase




Version-Release number of selected component (if applicable):
libvirt-0.10.2-18.el6_4.2.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Create a domain:
#virsh create vm1.xml
Domain vm1 created from vm1.xml


2. Do block copy for vda
# time virsh blockcopy test hda /var/lib/libvirt/images/bak4 --wait --timeout ddddd --verbose
Block Copy: [ 10 %]error: failed to query job for disk hda

real	1m57.111s
user	0m0.095s
sys	0m0.026s

//i cancel the job

Fixed upstream by:
commit 41db895f9e9efd51452568678759d6241e3ed84c
Author:     Ján Tomko <jtomko>
AuthorDate: 2013-03-26 16:41:06 +0100
Commit:     Ján Tomko <jtomko>
CommitDate: 2013-03-26 17:28:36 +0100

    virsh: error out on non-numeric timeout values
    
    Some block commands and migrate ignored incorrect values.

Development Management has reviewed and declined this request.
You may appeal this decision by reopening this request.