On 02/13/2012 08:10 PM, Dan Kenigsberg wrote:
On Mon, Feb 13, 2012 at 08:57:23AM -0500, Keith Robertson wrote:
On 02/13/2012 08:33 AM, Deepak C Shetty wrote:
On 02/13/2012 03:16 PM, Dan Kenigsberg wrote:
On Sun, Feb 12, 2012 at 11:58:05PM +0530, Deepak C Shetty wrote:
Hi,
    I have tried this multiple times and i hit the same error.

I have 3 storage domains  created (iso, data and export) all
connected to the DC with DC status as Up and
1 host with status as Up and the same (only) host acting as SPM.

I used the engine-iso-uploader utility to upload my .iso to
the iso domain.
Created a new VM and attached a vdisk of type sparse (thin-prov) and
click on "Run Once",
where i select "Attach CD" and select my .iso, and change boot order
to boot from CD, then disk.

But i get this error...

VM first-ovirt-vm is down. Exit message internal error process
exited while connecting to monitor: qemu-kvm: -drive 
file=/rhev/data-center/4087fea7-b54a-4318-8d5c-828eff8846f4/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw:
could not open disk image 
/rhev/data-center/4087fea7-b54a-4318-8d5c-828eff8846f4/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso:
Permission denied .

I am unable to figure out why.. bcos the user.group perms for the
.iso are fine.
In fact i logged into the system serving the nfs share and
added 0777 perms
still i get the same error. Here is the snip of how the perms for
.iso look like...

ll 
/tmp/iso1-domain/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso
-rwxr-xr-x. 1 vdsm kvm 3757047808 Feb 13 04:24 
/tmp/iso1-domain/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso
would you try `ls -lZ` ? Does your /var/log/audit/audit.log shows an
selinux problem? What's `getenforce`? And `getsebool virt_use_nfs`?

What is `groups qemu`?
Does
    su - qemu -s /bin/bash -c 'strings your.iso'
work for you?

Regards,
Dan.


Hello Dan,
    Here is the output you requested...

[root@llm56 ~]# ls -lZ 
/rhev/data-center/4087fea7-b54a-4318-8d5c-828eff8846f4/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso
-rwxr-xr-x. vdsm kvm system_u:object_r:nfs_t:s0       
/rhev/data-center/4087fea7-b54a-4318-8d5c-828eff8846f4/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso

[root@llm56 ~]# getenforce
Enforcing

[root@llm56 ~]# getsebool virt_use_nfs
virt_use_nfs -->  off
Vdsm SHOULD configure this to "on" when it first starts, by running

     /usr/sbin/semanage  boolean -m -S targeted -F /dev/stdin<<  _EOF
virt_use_nfs=1
_EOF
This hangs... tho' i see the below msgs in /var/log/messages...

Feb 14 17:39:58 llm56 dbus[1170]: avc:  received policyload notice (seqno=5)
Feb 14 17:39:58 llm56 setsebool: The virt_use_nfs policy boolean was changed to 1 by root
Feb 14 17:39:58 llm56 dbus[1170]: [system] Reloaded configuration
Feb 14 17:39:58 llm56 dbus-daemon[1170]: dbus[1170]: avc: received policyload notice (seqno=5) Feb 14 17:39:58 llm56 dbus-daemon[1170]: dbus[1170]: [system] Reloaded configuration

I had to kill this from anotehr session, but using setsebool virt_use_nfs 1 worked for me.


    /usr/sbin/setsebool virt_use_nfs on

Please try running this as root to understand why it failed. qemu cannot
use NFS when this is off and selinux is enforcing

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