[Xen-bugs] [Bug 1334] New: qcow-create fails to create usable image from backing device.

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1334

           Summary: qcow-create fails to create usable image from backing
                    device.
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Tools
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: d_mccurdy@xxxxxxxxxxxx


virsh # version
Compiled against library: libvir 0.4.4
Using library: libvir 0.4.4
Using API: Xen 3.0.1
Running hypervisor: Xen 3.3.0

[root@centos images]# dd if=/dev/zero of=base bs=10M count=10
10+0 records in
10+0 records out
104857600 bytes (105 MB) copied, 1.68832 seconds, 62.1 MB/s
[root@centos images]# ~/Desktop/xen-3.3.0/tools/blktap/drivers/qcow-create 
100000000 centos.qcow  base 
Optind 1, argc 4
Creating file size 104857600000000, name centos.qcow
Created cksum: -1487045310
xm block-attach 0 'tap:qcow://var/lib/xen/images/centos.qcow' /dev/hdc w
[root@centos images]# /
[root@centos images]# ls -l /dev/hdc
ls: /dev/hdc: No such file or directory
[root@centos images]# xm block-list 0
Vdev  BE handle state evt-ch ring-ref BE-path
5632   0    0     3      27     8     /local/domain/0/backend/tap/0/5632 

using file://  attaches and creates /dev/hdc but device can have mkfs made on
it but it is not the base image from the qcow-create.  

seems the qcow-* not working very well

seems a lot of code updates on qcow-* so someone must be working on it or
trying to get it going.

rgds Dale


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