Re: [fedora-virt] virsh output discrepancy with vol-list

[Shergill, Gurinder]

>  -----Original Message-----
>  From: Kashyap Chamarthy [mailto:[e-mail]]
>  Sent: Thursday, April 11, 2013 4:09 AM
>  To: Shergill, Gurinder
>  Cc: virt(a)lists.fedoraproject.org
>  Subject: Re: [fedora-virt] virsh output discrepancy with vol-list
>  
>  On 04/11/2013 08:36 AM, Shergill, Gurinder wrote:
>  > Hello,
>  >
>  > I am seeing following discrepancy with virsh output for volume list,
>  which goes away when I restart the libvirtd daemon.
>  >
>  > Here virsh shows 4 volumes. Also, notice that first 2 volumes are
>  duplicates.
>  >
>  > $ virsh vol-list --pool default
>  > Name                 Path
>  > -----------------------------------------
>  > crab.vol.0.img       /var/lib/libvirt/images/crab.vol.0.img
>  > crab.vol.0.img       /var/lib/libvirt/images/crab.vol.0.img
>  > fish.vol.0.img       /var/lib/libvirt/images/fish.vol.0.img
>  > fish.vol.1.img       /var/lib/libvirt/images/fish.vol.1.img
>  >
>  > However, none of the above volumes currently exist (as I had just
>  deleted them using, again, using virsh).
>  >
>  > $ ll /var/lib/libvirt/images/
>  > total 0
>  >
>  > Now, I restart libvirt. And, after that virsh output is fine.
>  >
>  > $ virsh vol-list --pool default
>  > Name                 Path
>  > -----------------------------------------
>  >
>  > Any idea what is going on here ? Is this a known issue ?
>  
>  Not sure at the first glance.
>  >
>  > I am using Fedora 17.
>  
>  Version of libvirt ?
>  
$ rpm -qa | grep libvirt
libvirt-daemon-0.9.11.9-1.fc17.x86_64
libvirt-python-0.9.11.9-1.fc17.x86_64
libvirt-daemon-config-network-0.9.11.9-1.fc17.x86_64
libvirt-client-0.9.11.9-1.fc17.x86_64
libvirt-daemon-qemu-0.9.11.9-1.fc17.x86_64
libvirt-0.9.11.9-1.fc17.x86_64
libvirt-daemon-config-nwfilter-0.9.11.9-1.fc17.x86_64

>  
>  I'm using this version & I can't reproduce it -- libvirt-1.0.4-
>  1.fc18.x86_64
>  
The issue doesn't happen all the time or right away. I am working on benchmarking
various KVM storage I/O options, for this I routinely create/destroy guests, and after a
while I'll notice this discrepancy.

>  
>  Do you find the same issue with using --
>  http://fedorapeople.org/groups/virt/virt-preview/
>  
I haven't tried that yet.

>  
>  For further debugging:
>  
>  Add the below in in libvirtd.log
>  ====
>  log_level = 1
>  log_outputs = 1:file:/var/tmp/libvirtd.log ====
>  
>  $ service libvirtd restart
>  
>  Monitor the log for interesting info.
>  
Okay. I'll try that.

Sunny