[Libguestfs] virt-v2v F18 guest on F18 failure

[Tingting Zheng]

Hi,Richard
   Recently I met this error when I execute virt-v2v on rhel7,but I can not reproduce on another machine with even the same packages.

# LIBGUESTFS_ATTACH_METHOD=appliance virt-v2v  -ic xen+ssh://10.66.72.23 -os default xen-pv-rhel4.9-i386
root at 10.66.72.23's password: 
root at 10.66.72.23's password: 
root at 10.66.72.23's password: 
xen-pv-rhel4.9-i386.img: 100% [========================================================================]D 0h02m10s
inspect_os: mount_ro: /dev/sda on / (options: 'ro'): mount: /dev/sda is already mounted or /sysroot busy at /usr/share/perl5/vendor_perl/Sys/VirtConvert/GuestfsHandle.pm line 197.
 at /usr/bin/virt-v2v line 691.

Best regards,
Tingting Zheng（郑婷婷）

----- Original Message -----
From: "Richard W.M. Jones" <rjones at redhat.com>
To: libguestfs at redhat.com
Sent: Friday, March 1, 2013 1:48:08 AM
Subject: Re: [Libguestfs] virt-v2v F18 guest on F18 failure


I think I've *discounted* IDE as a potential problem:

  $ rm /tmp/test1.img
  $ truncate -s1G /tmp/test1.img
  $ guestfish <<EOF
  set-attach-method appliance
  add-drive-opts /tmp/test1.img iface:ide readonly:true
  run
  mount /dev/sda /
  EOF
  libguestfs: error: mount: /dev/sda on / (options: ''): mount: wrong fs type, bad option, bad superblock on /dev/sda,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail or so

(the expected error)

vs:

  $ guestfish <<EOF
  set-attach-method appliance
  add-drive-opts /tmp/test1.img iface:ide readonly:true
  run
  mkfs ext2 /dev/sda
  mount /dev/sda /
  EOF

(no error)

Also tried:

 - Adding name:vda

 - Running isoinfo-device before the mount.

 - Running vfs-type before the mount.

I still couldn't reproduce this.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Fedora Windows cross-compiler. Compile Windows programs, test, and
build Windows installers. Over 100 libraries supported.
http://fedoraproject.org/wiki/MinGW

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