Libguestfs - Jun 2018 - Fwd: virt-v2v-copy-to-local failed if dd does not support status=progress

On Tue, Jun 12, 2018 at 04:51:57AM -0700, zhujinhe
wrote:
>   If dd does not support status=progress,  copy process will abort at the
end. This is totally misguided.
> We can use -q as a workaround in this circumstance, but it is frightening
to newbee like me. Maybe we should improve this.
> 
> suspicion：
> ```
>        if shell_command cmd <> 0 then
>          error (f_"ssh copy command failed, see earlier errors");
> ```
> 
> detail：
> ```
> shell > virt-v2v-copy-to-local -v -ic xen+ssh://myxen_server guest
> [   0.0] Fetching the remote libvirt XML metadata ...
> [   1.6] Parsing the remote libvirt XML metadata ...
> [   1.6] Copying remote disk 1/2 to guest-disk1
> dd: invalid status flag: ‘progress’
> Try 'dd --help' for more information.
> 40960+0 records in
> 40960+0 records out
> 42949672960 bytes (43 GB) copied, 876.05 seconds, 49.0 MB/s
> virt-v2v-copy-to-local: error: ssh copy command failed, see earlier errors
> 
> ```
-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine.  Supports Linux and Windows.
http://people.redhat.com/~rjones/virt-df/

On Tue, Jun 12, 2018 at 04:51:57AM -0700, zhujinhe
wrote:
>   If dd does not support status=progress,  copy process will abort at the
end. This is totally misguided.
> We can use -q as a workaround in this circumstance, but it is frightening
to newbee like me. Maybe we should improve this.
> 
> suspicion：
> ```
>        if shell_command cmd <> 0 then
>          error (f_"ssh copy command failed, see earlier errors");
> ```
> 
> detail：
> ```
> shell > virt-v2v-copy-to-local -v -ic xen+ssh://myxen_server guest
> [   0.0] Fetching the remote libvirt XML metadata ...
> [   1.6] Parsing the remote libvirt XML metadata ...
> [   1.6] Copying remote disk 1/2 to guest-disk1
> dd: invalid status flag: ‘progress’
> Try 'dd --help' for more information.
> 40960+0 records in
> 40960+0 records out
> 42949672960 bytes (43 GB) copied, 876.05 seconds, 49.0 MB/s
> virt-v2v-copy-to-local: error: ssh copy command failed, see earlier errors
> 
> ```
This feature was added to the dd command in coreutils in Sept 2014,
nearly 4 years ago.

Which Linux distribution are you using?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine.  Supports Linux and Windows.
http://people.redhat.com/~rjones/virt-df/