Re: [Users] ovirt VM start fails - Perm Denied error

On Wed, Feb 15, 2012 at 12:13:39PM +0530, Deepak C Shetty wrote: > On 02/14/2012 02:55 PM, Dan Kenigsberg wrote: >> On Tue, Feb 14, 2012 at 10:36:39AM +0530, 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`? >>> Hi Dan, >>> Thanks for the hint, after setting virt_use_nfs, it worked for me. >>> Strangely VDSM should have set it, not sure why it didn't. >> I suppose this is related to the fact that your `semanage` hangs. Please >> help us understand why. >> > Hello Dan, > This is what strace dumped, when i attached to the semanage process. > Note that i am only pasting the last few lines.. as the dump was large... > Let me know if you need to entire dump... I'd better know if strace seems to be advancing anywhere. Is there a blocking system call? For how long did you wait? (I guess I should have asked for `strace -t`)

20:12:20 close(5) = 0 20:15:19 open("/etc/selinux/targeted/modules/tmp/commit_num",