mgr: relax "pending_service_map.epoch > service_map.epoch" assert

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Thanks for the patch dongdong. I'd like to ask you to add some DEP-3 headers [1] to your patch, such as Origin (link to the upstream commit), Bug-Ubuntu (link to this bug) and Bug (link to the upstream bug). Could you please add them?

[1] https://dep-team.pages.debian.net/deps/dep3/

A question about the patch: it doesn't apply cleanly against the current focal version of ceph. Specifically, the parts that add the patch into the packaging (the changes directly under debian/) are fine, but there's other changes under src/test which appear to re-create pre-existing files (and which wouldn't be acceptable anyway as they'd be touching the orig tar-ball content).

In addition to the changes requested by Lucas, could you upload another version without the changes under src/test?

Unsubscribing ~ubuntu-sponsors; please re-subscribe once comments 3 and 4 above are addressed.

new debdiff file uploaded, please take a look

Upload made to UNAPPROVED queue for SRU team review in focal.

Hello dongdong, or anyone else affected,

Accepted ceph into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/ceph/15.2.17-0ubuntu0.20.04.5 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

I've tested the proposed package and it can fix the issue.

Test steps.
1. Deploy a 15.2.16 ceph cluster

2. upgrade it to 15.2.17, inject multiple service map to the monitor

3. stop the active mgr

4. observe the new active mgr will no longer hit the assert condition

This verification is ok, but the SRU is blocked on the ambiguous verification of #1996010.

This bug was fixed in the package ceph - 15.2.17-0ubuntu0.20.04.5

---------------
ceph (15.2.17-0ubuntu0.20.04.5) focal; urgency=medium

   * d/p/bluestore-leak-fix.patch: Fix leak in bluestore cache (LP: #1996010).
   * d/p/bail-after-error.patch: Bail after exception in mon (LP: #1969000).
   * d/p/relax-epoch.patch: Relax epoch-based assertions (LP: #2019293).

 -- Luciano Lo Giudice <email address hidden> Fri, 22 Sep 2023 09:21:41 +0100

The verification of the Stable Release Update for ceph has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.