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Bug #39435

snapshot object maps can go inconsistent during copyup

Added by Ilya Dryomov 4 months ago. Updated 3 months ago.

Status:
Pending Backport
Priority:
Normal
Assignee:
Target version:
-
Start date:
04/23/2019
Due date:
% Done:

0%

Source:
Tags:
Backport:
luminous,mimic,nautilus
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:

Description

If the data read from the parent is all zeros, deep copyup isn't performed. However snapshot object maps are updated unconditionally, causing inconsistencies where nonexistent objects are marked OBJECT_EXISTS or OBJECT_EXISTS_CLEAN.


Related issues

Copied to rbd - Backport #39499: nautilus: snapshot object maps can go inconsistent during copyup In Progress
Copied to rbd - Backport #39500: luminous: snapshot object maps can go inconsistent during copyup Need More Info
Copied to rbd - Backport #39501: mimic: snapshot object maps can go inconsistent during copyup Need More Info

History

#1 Updated by Ilya Dryomov 4 months ago

  • Status changed from In Progress to Need Review
  • Pull request ID set to 27724

#2 Updated by Jason Dillaman 4 months ago

  • Backport set to luminous,mimic,nautilus

#3 Updated by Jason Dillaman 4 months ago

  • Status changed from Need Review to Pending Backport

#4 Updated by Nathan Cutler 4 months ago

  • Copied to Backport #39499: nautilus: snapshot object maps can go inconsistent during copyup added

#5 Updated by Nathan Cutler 4 months ago

  • Copied to Backport #39500: luminous: snapshot object maps can go inconsistent during copyup added

#6 Updated by Nathan Cutler 4 months ago

  • Copied to Backport #39501: mimic: snapshot object maps can go inconsistent during copyup added

#7 Updated by Jason Dillaman 3 months ago

This backport effort should wait on the backport of 39021

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