[Bug 1945555] Re: [SRU] accept undecodable multi-block bluefs transactions on log

[gerald.yang]

first patch

** Tags added: sts sts-sru-needed verification-needed-bionic

** Patch added: "bionic1.patch"
   https://bugs.launchpad.net/ubuntu/bionic/+source/ceph/+bug/1945555/+attachment/5533789/+files/bionic1.patch

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Title:
  [SRU] accept undecodable multi-block bluefs transactions on log

Status in ceph package in Ubuntu:
  In Progress
Status in ceph source package in Bionic:
  In Progress

Bug description:
  [Impact]
  Multi-block transaction could fail during unexpected power down
  in this case, it should be stop replaying this log instead of throwing unrecoverable error

  [Test Case]
  need to simulate power outage to reproduce this issue

  [Where problems could occur]
  This upstream PR was created 2 months ago and Luminous was EOL upstream for a while
  so Luminous Bluefs code is outdated, in order to backport this commit
  it might also need to backport some dependencies

  [Other Info]
  upstream tracker: https://tracker.ceph.com/issues/52079
  PR: https://github.com/ceph/ceph/pull/42830

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