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Bug #53811

open

standby-replay mds is removed from MDSMap unexpectedly

Added by 玮文 胡 over 2 years ago. Updated over 1 year ago.

Status:
Pending Backport
Priority:
Normal
Assignee:
-
Category:
Correctness/Safety
Target version:
Ceph - v18.0.0
% Done:

0%

Source:
Tags:
backport_processed
Backport:
quincy,pacific
Regression:
Yes
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDSMonitor
Labels (FS):
Pull request ID:
44501
Crash signature (v1):
Crash signature (v2):

Description

In `MDSMonitor::prepare_beacon`

...
} else if ((state == MDSMap::STATE_STANDBY || state == MDSMap::STATE_STANDBY_REPLAY)
        && info.rank != MDS_RANK_NONE)
{
  dout(4) << "mds_beacon MDS can't go back into standby after taking rank: " 
             "held rank " << info.rank << " while requesting state " 
          << ceph_mds_state_name(state) << dendl;
  goto evict;
}

This would evict standby-replay mds unexpectedly since standby-replay also has a rank.

Related issues 3 (0 open — 3 closed)

Copied to CephFS - Backport #57261: pacific: standby-replay mds is removed from MDSMap unexpectedlyResolvedVenky ShankarActions
Copied to CephFS - Backport #57262: octopus: standby-replay mds is removed from MDSMap unexpectedlyRejectedActions
Copied to CephFS - Backport #57370: quincy: standby-replay mds is removed from MDSMap unexpectedlyResolvedVenky ShankarActions
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