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Bug #18579

closed

Fuse client has "opening" session to nonexistent MDS rank after MDS cluster shrink

Added by John Spray over 7 years ago. Updated about 5 years ago.

Status:
Resolved
Priority:
High
Category:
-
Target version:
% Done:

0%

Source:
Development
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
Client
Labels (FS):
multimds
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

mds_sessions

    "sessions": [
        {
            "mds": 0,
            "addr": "194.12.182.59:6812\/3223369410",
            "seq": 11847,
            "cap_gen": 0,
            "cap_ttl": "2017-01-18 10:03:38.879099",
            "last_cap_renew_request": "2017-01-18 10:02:38.879099",
            "cap_renew_seq": 20,
            "num_caps": 4782,
            "state": "open" 
        },
        {
            "mds": 1,
            "addr": "194.12.182.59:6813\/197224361",
            "seq": 0,
            "cap_gen": 0,
            "cap_ttl": "0.000000",
            "last_cap_renew_request": "0.000000",
            "cap_renew_seq": 0,
            "num_caps": 0,
            "state": "opening" 
        }
    ],

mds_requests
{
    "request": {
        "tid": 5837,
        "op": "mkdir",
        "path": "#20000000274\/fssnap.d",
        "path2": "",
        "ino": "20000000274",
        "dentry": "fssnap.d",
        "hint_ino": "0",
        "sent_stamp": "2017-01-18 09:59:38.913936",
        "mds": -1,
        "resend_mds": -1,
        "send_to_auth": 0,
        "sent_on_mseq": 0,
        "retry_attempt": 0,
        "got_unsafe": 0,
        "uid": 1000,
        "gid": 1000,
        "oldest_client_tid": 5837,
        "mdsmap_epoch": 0,
        "flags": 0,
        "num_retry": 0,
        "num_fwd": 0,
        "num_releases": 0,
        "abort_rc": 0
    }
}


Related issues 1 (0 open1 closed)

Related to CephFS - Feature #10792: qa: enable thrasher for MDS cluster size (vary max_mds)ResolvedPatrick Donnelly02/07/2015

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