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For the larger incremental backup project, we need feature parity with Bitmaps and NBD going up to the 4.0 release backported for QEMU 2.12.

This is a tracker BZ for a roundup of backports that bring the functionality of our NBD server at least in line with the QEMU 3.1.0 release.

A different BZ (BZ #1691009) will be used to track backports that bring us in line with the upstream 4.0 release. (This will hopefully ease reviewing burden, and keeps changing that change the API itself separate to its own BZ.)

Fix included in qemu-kvm-rhev-2.12.0-27.el7

Run incremental_live_backup full test on qemu-kvm-rhev-2.12.0-27.el7.x86_64, new issues has been tracked by new bugs.

  New bugs:
    Bug 1703916 - Qemu core dump when quit vm after forbidden to do backup with a read-only bitmap -- new
      Bug 1707303 - Error returned qmp info when do incremental live backup with an in-use bitmap --new 
      Bug 1707733 - Qemu hang when do backup jobs with completion-mode "grouped" and with one job failed -- new
      Bug 1707821 - Target VM failed to enter running status after migration with persistent bitmap on shared storage -- new


And timao has run full test with network storage -- nbd, no new issue found.


So set this bug's status to "Verified"

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2019:2553