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This is built on top of the following patch series: https://www.redhat.com/archives/libguestfs/2019-April/msg00054.html Rich.

This isn't quite the full thing. I think that Pino is also working on replacing the ssh and scp commands in the v2v/input_vmx.ml file with libssh. Without those changes, -i vmx will still issue raw ssh and scp commands, which will use ssh-agent (or keyboard-interactive). The Xen input method doesn't use raw ssh and scp commands, so that one is OK. Rich.

v2 was posted here: https://www.redhat.com/archives/libguestfs/2019-July/msg00115.html This also has links to earlier versions. v3: - The 01/11 patch in v2 included a bunch of unnecessary plus one necessary change to how input_password is passed around. I moved the necessary change into the final patch (implementing SSH password authentication) and dropped the rest. - The 01/11

Originally posted here: https://www.redhat.com/archives/libguestfs/2019-April/thread.html#00054 https://www.redhat.com/archives/libguestfs/2019-April/msg00076.html https://www.redhat.com/archives/libguestfs/2019-April/msg00126.html This is a rebase on top of current master branch with no other changes. The first patch in the old series was pushed a while back, and the last "TEMPORARY"

v3 posted here: https://www.redhat.com/archives/libguestfs/2019-July/msg00200.html v4: - The first patch in the v3 series was just a trivial doc whitespace fix so I pushed it. - There's a new patch using the nbdkit-retry-filter. This is not actually upstream in nbdkit but we know enough about how it will work. - Rebased against master and reran the tests. Rich.

This series (except the last one) changes virt-v2v to use nbdkit for several input modes: -i vmx -it vddk: No change in functionality, as this already uses nbdkit-vddk-plugin, but the code is refactored for the other modes to use. -i libvirtxml: Use nbdkit-curl-plugin instead of qemu curl. vCenter: Use nbdkit-curl-plugin instead of qemu curl. xen: Use nbdkit-ssh-plugin instead of qemu

Part 2 fix for: https://bugzilla.redhat.com/show_bug.cgi?id=1842440 Actually this fix on its own should be sufficient, but probably we want the nbdkit fixes too. Note this uses actual OCaml 4.05 features! ("let open" and the Unix.tcgetattr functions). I checked that both features are available on RHEL 7's OCaml. Rich.

Patch 1 was previously posted here: https://www.redhat.com/archives/libguestfs/2020-June/msg00086.html to handle this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1848862 I was able to observe this bug and for me at least disabling readahead seems to cure it. Patches 2 and 3 are simplifications, removing a now-undocumented feature of virt-v2v-copy-to-local and thus simplifying greatly the