Libguestfs - Nov 2016 - Re: [ovirt-users] OVA import of FC21 VM hangs during virt-v2v conversion?

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On Thu, Nov 17, 2016 at 09:57:47AM -0500, Derek Atkins
wrote:
> Hi,
> 
> On Thu, November 17, 2016 4:11 am, Richard W.M. Jones wrote:
> > On Wed, Nov 16, 2016 at 08:07:15PM -0500, Derek Atkins wrote:
> >> I found the disk image for the running VM, created a symlink, and
then
> >> ran
> >> the command above.  It took a while:
> >>
> >> # time LIBGUESTFS_BACKEND=direct guestfish --ro -a fc21-64.qcow2
-i
> >> selinux-relabel /etc/selinux/targeted/contexts/files/file_contexts
/
> >> force:true
> >>
> >> real	114m17.757s
> >> user	114m16.476s
> >> sys	0m6.042s
> >
> > That certainly demonstrates the bug.  I'm unclear why it would be
> > happening, but perhaps you can run the following commands and send me
> > the results:
> >
> > LIBGUESTFS_BACKEND=direct guestfish --ro -a fc21-64.qcow2 -i find /
>
> > files
> >
> > LIBGUESTFS_BACKEND=direct virt-cat -a fc21-64.qcow2
> > /etc/selinux/targeted/contexts/files/file_contexts / >
file_contexts
> 
> See attached..  There are 184,431 entries in the file list.
> 
> > rpm -qf /usr/sbin/setfiles > setfiles.version
> 
> Did you want this on the host or in the guest?  On the host I get:
> policycoreutils-2.2.5-20.el7.x86_64
This is the same version I have.
> There's really nothing private in the list of files on this machine. 
It's
> an openafs build slave.  :)
Indeed there's a large number of .ccache files (over 50000).

However even recreating this directory structure locally and using the
same version of setfiles, I wasn't able to reproduce the problem.
Runs of setfiles never took more than about 15 seconds.

So, I don't know ..

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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Hi,

On Thu, November 17, 2016 10:51 am, Richard W.M. Jones
wrote:
> On Thu, Nov 17, 2016 at 09:57:47AM -0500, Derek Atkins wrote:
>> Hi,
>>
>> On Thu, November 17, 2016 4:11 am, Richard W.M. Jones wrote:
>> > On Wed, Nov 16, 2016 at 08:07:15PM -0500, Derek Atkins wrote:
>> >> I found the disk image for the running VM, created a symlink,
and
>> then
>> >> ran
>> >> the command above.  It took a while:
>> >>
>> >> # time LIBGUESTFS_BACKEND=direct guestfish --ro -a
fc21-64.qcow2 -i
>> >> selinux-relabel
/etc/selinux/targeted/contexts/files/file_contexts /
>> >> force:true
>> >>
>> >> real	114m17.757s
>> >> user	114m16.476s
>> >> sys	0m6.042s
>> >
>> > That certainly demonstrates the bug.  I'm unclear why it would
be
>> > happening, but perhaps you can run the following commands and send
me
>> > the results:
>> >
>> > LIBGUESTFS_BACKEND=direct guestfish --ro -a fc21-64.qcow2 -i find
/ >
>> > files
>> >
>> > LIBGUESTFS_BACKEND=direct virt-cat -a fc21-64.qcow2
>> > /etc/selinux/targeted/contexts/files/file_contexts / >
file_contexts
>>
>> See attached..  There are 184,431 entries in the file list.
>>
>> > rpm -qf /usr/sbin/setfiles > setfiles.version
>>
>> Did you want this on the host or in the guest?  On the host I get:
>> policycoreutils-2.2.5-20.el7.x86_64
>
> This is the same version I have.
>
>> There's really nothing private in the list of files on this
machine.
>> It's
>> an openafs build slave.  :)
>
> Indeed there's a large number of .ccache files (over 50000).
But that shouldn't be an issue, right?  In the scheme of things, 50,000
files isn't a lot.
> However even recreating this directory structure locally and using the
> same version of setfiles, I wasn't able to reproduce the problem.
> Runs of setfiles never took more than about 15 seconds.
>
> So, I don't know ..
Would you like a copy of the VMDK?  If so I can figure out how to make it
available to you (privately).
> Rich.
-derek

-- 
       Derek Atkins                 617-623-3745
       derek@ihtfp.com             www.ihtfp.com
       Computer and Internet Security Consultant