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fix #3004: show progress of offline migration in task log

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dd supports a 'status' flag, which enables it to show the copied bytes,
duration, and the transfer rate, which then get printed to stderr.

Signed-off-by: Leo Nunner <l.nunner@proxmox.com>
This commit is contained in:
Leo Nunner
2023-08-31 12:41:59 +02:00
committed by Thomas Lamprecht
parent 122ccde412
commit aa82ad5c25
3 changed files with 18 additions and 5 deletions
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4
src/PVE/Storage/Plugin.pm
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@ -1577,7 +1577,7 @@ sub volume_export {
goto unsupported if $with_snapshots || $file_format eq 'subvol';
write_common_header($fh, $size);
if ($file_format eq 'raw') {
run_command(['dd', "if=$file", "bs=4k"], output => '>&'.fileno($fh));
run_command(['dd', "if=$file", "bs=4k", "status=progress"], output => '>&'.fileno($fh));
} else {
run_command(['qemu-img', 'convert', '-f', $file_format, '-O', 'raw', $file, '/dev/stdout'],
output => '>&'.fileno($fh));
@ -1587,7 +1587,7 @@ sub volume_export {
my $data_format = $1;
goto unsupported if !$with_snapshots || $file_format ne $data_format;
write_common_header($fh, $size);
run_command(['dd', "if=$file", "bs=4k"], output => '>&'.fileno($fh));
run_command(['dd', "if=$file", "bs=4k", "status=progress"], output => '>&'.fileno($fh));
return;
} elsif ($format eq 'tar+size') {
goto unsupported if $file_format ne 'subvol';