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Feature #62849

closed

mds/FSMap: add field indicating the birth time of the epoch

Added by Patrick Donnelly over 2 years ago. Updated about 1 month ago.

Status:
Resolved
Priority:
High
Assignee:
Patrick Donnelly
Category:
Administration/Usability
Target version:
Ceph - v20.0.0
% Done:

0%

Source:
Q/A
Backport:
squid,reef,quincy
Reviewed:
Affected Versions:
Component(FS):
MDSMonitor
Labels (FS):
task(easy), task(intern)
Pull request ID:
53503
Tags (freeform):
backport_processed
Merge Commit:
c8053b11e7bd228d9205286ff8d5ff33250adc1a
Fixed In:
v19.3.0-3006-gc8053b11e7
Released In:
v20.2.0~2617
Upkeep Timestamp:
2026-02-12T12:58:17+00:00

Description

So you can easily see when the FSMap epoch was published (real time) without looking at each file system's mdsmap. In fact, none of the file system's mdsmaps may be updated if e.g. only a standby was added.

Add tests to confirm that the time is added to the FSMap and that it's accurate.

Related issues 3 (0 open — 3 closed)

Copied to CephFS - Backport #66780: reef: mds/FSMap: add field indicating the birth time of the epochRejectedPatrick DonnellyActions
Copied to CephFS - Backport #66781: squid: mds/FSMap: add field indicating the birth time of the epochResolvedJos CollinActions
Copied to CephFS - Backport #66782: quincy: mds/FSMap: add field indicating the birth time of the epochRejectedPatrick DonnellyActions
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 #1

Updated by Patrick Donnelly over 2 years ago

  • Category set to Administration/Usability
  • Status changed from New to In Progress
  • Assignee set to Patrick Donnelly
  • Backport set to reef,quincy,pacific
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 #2

Updated by Patrick Donnelly over 2 years ago

  • Pull request ID set to 53503
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 #3

Updated by Patrick Donnelly almost 2 years ago

  • Target version changed from v19.0.0 to v20.0.0
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 #4

Updated by Patrick Donnelly almost 2 years ago

  • Backport changed from reef,quincy,pacific to squid,reef,quincy
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 #5

Updated by Patrick Donnelly almost 2 years ago

  • Status changed from In Progress to Fix Under Review
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 #6

Updated by Patrick Donnelly over 1 year ago

  • Status changed from Fix Under Review to Pending Backport
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 #7

Updated by Upkeep Bot over 1 year ago

  • Copied to Backport #66780: reef: mds/FSMap: add field indicating the birth time of the epoch added
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 #8

Updated by Upkeep Bot over 1 year ago

  • Copied to Backport #66781: squid: mds/FSMap: add field indicating the birth time of the epoch added
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 #9

Updated by Upkeep Bot over 1 year ago

  • Copied to Backport #66782: quincy: mds/FSMap: add field indicating the birth time of the epoch added
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 #10

Updated by Upkeep Bot over 1 year ago

  • Tags (freeform) set to backport_processed
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 #11

Updated by Upkeep Bot 8 months ago

  • Merge Commit set to c8053b11e7bd228d9205286ff8d5ff33250adc1a
  • Fixed In set to v19.3.0-3006-gc8053b11e7b
  • Upkeep Timestamp set to 2025-07-09T16:09:35+00:00
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 #12

Updated by Upkeep Bot 8 months ago

  • Fixed In changed from v19.3.0-3006-gc8053b11e7b to v19.3.0-3006-gc8053b11e7
  • Upkeep Timestamp changed from 2025-07-09T16:09:35+00:00 to 2025-07-14T17:41:48+00:00
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 #13

Updated by Upkeep Bot 5 months ago

  • Released In set to v20.2.0~2617
  • Upkeep Timestamp changed from 2025-07-14T17:41:48+00:00 to 2025-11-01T00:58:26+00:00
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 #14

Updated by Upkeep Bot about 1 month ago

  • Status changed from Pending Backport to Resolved
  • Upkeep Timestamp changed from 2025-11-01T00:58:26+00:00 to 2026-02-12T12:58:17+00:00
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