Re: [libvirt] virDomainAttachDevice error during disk hotplug
On Sat, Aug 10, 2013 at 05:38:20PM +0530, Deepak C Shetty wrote:
Hi All,
I am trying to do a hotplug of a disk from VDSM (which uses
libvirt to get things done).
I hit the below error "operation failed: open disk image file
failed" comign from virDomainAttachDevice.
1) The qemu-img create cmd I use (inside vdsm) to create the file
being hotplugged is
/usr/bin/qemu-img create -f qcow2 -F qcow2 -b
/rhev/data-center/000065de-04b8-42e2-986c-2de664708be7/11112d24-4cda-4200-8f6d-a1d8362c70fd/images/22224c45-6504-4ea1-bd24-12340017dd32/3333017d-1278-4bfb-8129-62bded257399
/var/run/vdsm/3333017d-1278-4bfb-8129-62bded257399' (cwd
/var/run/vdsm)
So here you're using paths under /rhev or /var/run/vdsm.
2013-08-10 11:19:41.770+0000: 1103: debug :
virStorageFileGetMetadataRecurse:939 :
path=/home/dpkshetty/libSM_disk/localstoragedomain/11112d24-4cda-4200-8f6d-a1d8362c70fd/images/22224c45-6504-4ea1-bd24-12340017dd32/3333017d-1278-4bfb-8129-62bded257399
This log suggests those paths are just symlinks into your home
directory.
What permissions are set on /home/dpkshetty ? By default $HOME permissions
will not allow any other user to access files under it. So you would have
to do 'chmod o+x /home/dpkshetty' to make this work
Daniel
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