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[Qemu-devel] qemu-img: Could not open '....qcow2': Could not read snapsh


From: Kis Gellert
Subject: [Qemu-devel] qemu-img: Could not open '....qcow2': Could not read snapshots: File too large
Date: Mon, 7 Dec 2015 10:07:34 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0

Today one of my virtual machines failed starting.
Previously , I might made a snapshot while VM running.

I got this error in virt-manager:

Error starting domain: internal error: process exited while connecting to monitor: 2015-12-07T08:48:16.006513Z qemu-system-x86_64: -drive file=/home/g1ra/kvmware/centosnfs.qcow2,if=none,id=drive-ide0-0-0,format=qcow2: Could not read snapshots: File too large

      
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 89, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 125, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 83, in newfn
    ret = fn(self, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1423, in startup
    self._backend.create()
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1029, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error: process exited while connecting to monitor: 2015-12-07T08:48:16.006513Z qemu-system-x86_64: -drive file=/home/g1ra/kvmware/centosnfs.qcow2,if=none,id=drive-ide0-0-0,format=qcow2: Could not read snapshots: File too large


From the terminal , I got same error for all qemu-img

address@hidden:~/kvmware$ qemu-img info centosnfs.qcow2                                                                                                                                                             
qemu-img: Could not open 'centosnfs.qcow2': Could not read snapshots: File too large
address@hidden:~/kvmware$ qemu-img snapshot -l  centosnfs.qcow2                                                                                                                                                     
qemu-img: Could not open 'centosnfs.qcow2': Could not read snapshots: File too large



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