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Bug 1949683 - virt-v2v: error: inspection could not detect the source guest (or physical machine)
Summary: virt-v2v: error: inspection could not detect the source guest (or physical m...
Keywords:
Status: CLOSED DUPLICATE of bug 1930133
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: libguestfs
Version: 8.3
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: beta
: ---
Assignee: Virtualization Maintenance
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-04-14 19:23 UTC by Anitha Udgiri
Modified: 2021-04-15 08:42 UTC (History)
10 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-04-15 08:41:56 UTC
Type: Bug
Target Upstream Version:
Embargoed:

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Description Anitha Udgiri 2021-04-14 19:23:32 UTC 
Description of problem:

customer is trying to import a RHEL 8.2 VM running on VMware to RHV 4.4. 
and fails with 

"message": "inspection could not detect the source guest (or physical machine).\n\nAssuming that you are running virt-v2v/virt-p2v on a source which is supported (and not, for example, a blank disk), then this should not happen.\n\nInspection field i_arch was unknown.", "timestamp": "2021-04-13T16:21:48.230425370-05:00", "type": "error" }
virt-v2v: error: inspection could not detect the source guest (or physical 
machine).

Assuming that you are running virt-v2v/virt-p2v on a source which is 
supported (and not, for example, a blank disk), then this should not 
happen.

Inspection field i_arch was unknown.

Version-Release number of selected component (if applicable):

libguestfs-1.42.0-2.module+el8.3.0+6798+ad6e66be.x86_64
Comment 4 Richard W.M. Jones 2021-04-15 07:26:16 UTC 
There's no good workaround, but we can provide a hotfix in a few days.
Comment 5 Richard W.M. Jones 2021-04-15 08:06:38 UTC 
To test this I had to prepare a VM with a split /usr partition, as follows:

  $ virt-builder fedora-33
  $ virt-tar-out -a fedora-33.img /usr usr.tar
  $ rm -f fedora-33-split-usr.img
  $ truncate -s 10G fedora-33-split-usr.img 
  $ virt-resize fedora-33.img fedora-33-split-usr.img 

Set up the separate /usr inside the new disk image:

  $ guestfish -a fedora-33-split-usr.img -i
  ><fs> rm-rf /usr
  ><fs> mkfs xfs /dev/sda4 
  ><fs> mkdir /usr
  ><fs> mount /dev/sda4 /usr
  ><fs> tar-in usr.tar /usr xattrs:true selinux:true acls:true 
  ><fs> vi /etc/fstab

  Add the following line at the end of /etc/fstab:
  /dev/sda4 /usr xfs defaults 0 0

  ><fs> exit

Verify the split /usr partition configuration is detected:

  $ guestfish --ro -a fedora-33-split-usr.img -i
  /dev/sda3 mounted on /
  /dev/sda2 mounted on /boot
  /dev/sda4 mounted on /usr      <--- note
  ><fs> exit

However if you run virt-inspector on the new image you will see there
is no <arch> entry and inspection is incomplete:

  $ virt-inspector -a fedora-33-split-usr.img --no-applications

Also virt-v2v fails.  The error message is slightly different, but the
root cause is the same thing:

  $ virt-v2v -i disk fedora-33-split-usr.img -o null
  virt-v2v: error: inspection could not detect the source guest (or physical 
  machine).
  ...
  Inspection field ‘i_distro’ was ‘unknown’.
Comment 6 mxie@redhat.com 2021-04-15 08:17:24 UTC 
The bug may be duplicated with bug 1930133
Comment 7 Richard W.M. Jones 2021-04-15 08:41:56 UTC 
Yes, indeed it is.

*** This bug has been marked as a duplicate of bug 1930133 ***
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