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Bug 864962 - mirroring starts anyway with "existing" mode and a non-existing target
Summary: mirroring starts anyway with "existing" mode and a non-existing target
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.3
Hardware: Unspecified
OS: Unspecified
urgent
medium
Target Milestone: rc
: ---
Assignee: Virtualization Maintenance
QA Contact: Virtualization Bugs
URL:
Whiteboard:
: 861905 (view as bug list)
Depends On: 814102
Blocks: 844627
TreeView+ depends on / blocked
 
Reported: 2012-10-10 13:47 UTC by RHEL Program Management
Modified: 2013-01-10 01:10 UTC (History)
16 users (show)

Fixed In Version: qemu-kvm-0.12.1.2-2.295.el6_3.3
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-11-01 09:26:01 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2012:1420 0 normal SHIPPED_LIVE new packages: qemu-kvm-rhev, qemu-kvm-rhev-tools, qemu-img-rhev 2012-11-01 13:23:48 UTC

Description RHEL Program Management 2012-10-10 13:47:09 UTC 
This bug has been copied from bug #814102 and has been proposed
to be backported to 6.3 z-stream (EUS).
Comment 4 Jiri Pallich 2012-10-10 13:48:34 UTC 
*** Bug 861905 has been marked as a duplicate of this bug. ***
Comment 7 Paolo Bonzini 2012-10-10 17:02:52 UTC 
Note that the patch was already acked for 6.3.z when it was first posted.
Comment 10 juzhang 2012-10-19 08:58:40 UTC 
Reproduced on qemu-kvm-0.12.1.2-2.295.el6_3.2.

Steps:
1. { "execute" : "__com.redhat_drive-mirror", "arguments" : { "device" : "drive-virtio-disk0", "target" : "/root/sn1", "format": "qcow2", "mode": "existing", "full" : false } }
{"error": {"class": "OpenFileFailed", "desc": "Could not open '/root/sn1'", "data": {"filename": "/root/sn1"}}}
2. in hmp
(qemu) info block-jobs 
Type mirror, device drive-virtio-disk0: Completed 0 of 0 bytes, speed limit 0 bytes/s

3.{ "execute": "transaction", "arguments": {'actions': [ { 'type': 'blockdev-snapshot-sync', 'data' : { 'device': 'drive-virtio-disk0', 'snapshot-file': '/root/sn1' } }] } }
{"error": {"class": "DeviceInUse", "desc": "Device 'drive-virtio-disk0' is in use", "data": {"device": "drive-virtio-disk0"}}}


Results:
1.(qemu) info block-jobs 
Type mirror, device drive-virtio-disk0: Completed 0 of 0 bytes, speed limit 0 bytes/s
2.{"error": {"class": "DeviceInUse", "desc": "Device 'drive-virtio-disk0' is in use", "data": {"device": "drive-virtio-disk0"}}}


Verify on qemu-kvm-rhev-0.12.1.2-2.295.el6_3.4.x86_64.

Steps:
1.  { "execute" : "__com.redhat_drive-mirror", "arguments" : { "device" : "drive-virtio-disk0", "target" : "/root/sn1", "format": "qcow2", "mode": "existing", "full" : false } }
{"error": {"class": "OpenFileFailed", "desc": "Could not open '/root/sn1'", "data": {"filename": "/root/sn1"}}}
2. { "execute": "transaction", "arguments": {'actions': [ { 'type': 'blockdev-snapshot-sync', 'data' : { 'device': 'drive-virtio-disk0', 'snapshot-file': '/root/sn1' } }] } }
{"return": {}}

Results:
after step1
(qemu) info block-jobs 
No active jobs
after step2
(qemu) info block
drive-virtio-disk0: removable=0 io-status=ok file=/root/sn1 backing_file=/root/blockcopy/rhel6.4.qcow ro=0 drv=qcow2 encrypted=0
Comment 13 errata-xmlrpc 2012-11-01 09:26:01 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.

http://rhn.redhat.com/errata/RHBA-2012-1420.html
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