
{
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    "default_fscid": 1,
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        "compat": {},
        "ro_compat": {},
        "incompat": {
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            "feature_2": "client writeable ranges",
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            "feature_4": "dir inode in separate object",
            "feature_5": "mds uses versioned encoding",
            "feature_6": "dirfrag is stored in omap",
            "feature_8": "no anchor table",
            "feature_9": "file layout v2",
            "feature_10": "snaprealm v2",
            "feature_12": "quiesce subvolumes"
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    },
    "feature_flags": {
        "enable_multiple": true,
        "ever_enabled_multiple": true
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    "standbys": [
        {
            "gid": 16872,
            "name": "mds.np0005604215.rwvxvg",
            "rank": -1,
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            "state": "up:standby",
            "state_seq": 1,
            "addr": "172.18.0.108:6809/2262553558",
            "addrs": {
                "addrvec": [
                    {
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                        "addr": "172.18.0.108:6808",
                        "nonce": 2262553558
                    },
                    {
                        "type": "v1",
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                ]
            },
            "join_fscid": -1,
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                "compat": {},
                "ro_compat": {},
                "incompat": {
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                    "feature_3": "default file layouts on dirs",
                    "feature_4": "dir inode in separate object",
                    "feature_5": "mds uses versioned encoding",
                    "feature_6": "dirfrag is stored in omap",
                    "feature_7": "mds uses inline data",
                    "feature_8": "no anchor table",
                    "feature_9": "file layout v2",
                    "feature_10": "snaprealm v2",
                    "feature_12": "quiesce subvolumes"
                }
            },
            "epoch": 7
        },
        {
            "gid": 16878,
            "name": "mds.np0005604213.jdbvyh",
            "rank": -1,
            "incarnation": 0,
            "state": "up:standby",
            "state_seq": 1,
            "addr": "172.18.0.107:6809/3323601884",
            "addrs": {
                "addrvec": [
                    {
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                    {
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                ]
            },
            "join_fscid": -1,
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                "compat": {},
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                "incompat": {
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                    "feature_3": "default file layouts on dirs",
                    "feature_4": "dir inode in separate object",
                    "feature_5": "mds uses versioned encoding",
                    "feature_6": "dirfrag is stored in omap",
                    "feature_7": "mds uses inline data",
                    "feature_8": "no anchor table",
                    "feature_9": "file layout v2",
                    "feature_10": "snaprealm v2",
                    "feature_12": "quiesce subvolumes"
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            },
            "epoch": 8
        }
    ],
    "filesystems": [
        {
            "mdsmap": {
                "epoch": 14,
                "flags": 18,
                "flags_state": {
                    "joinable": true,
                    "allow_snaps": true,
                    "allow_multimds_snaps": true,
                    "allow_standby_replay": false,
                    "refuse_client_session": false,
                    "balance_automate": false
                },
                "ever_allowed_features": 0,
                "explicitly_allowed_features": 0,
                "created": "2026-02-01T07:59:04.480309+0000",
                "modified": "2026-02-01T09:39:55.510678+0000",
                "tableserver": 0,
                "root": 0,
                "session_timeout": 60,
                "session_autoclose": 300,
                "required_client_features": {},
                "max_file_size": 1099511627776,
                "last_failure": 0,
                "last_failure_osd_epoch": 79,
                "compat": {
                    "compat": {},
                    "ro_compat": {},
                    "incompat": {
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                        "feature_2": "client writeable ranges",
                        "feature_3": "default file layouts on dirs",
                        "feature_4": "dir inode in separate object",
                        "feature_5": "mds uses versioned encoding",
                        "feature_6": "dirfrag is stored in omap",
                        "feature_7": "mds uses inline data",
                        "feature_8": "no anchor table",
                        "feature_9": "file layout v2",
                        "feature_10": "snaprealm v2",
                        "feature_12": "quiesce subvolumes"
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                },
                "max_mds": 1,
                "in": [
                    0
                ],
                "up": {
                    "mds_0": 26329
                },
                "failed": [],
                "damaged": [],
                "stopped": [],
                "info": {
                    "gid_26329": {
                        "gid": 26329,
                        "name": "mds.np0005604212.tkdkxt",
                        "rank": 0,
                        "incarnation": 11,
                        "state": "up:active",
                        "state_seq": 12,
                        "addr": "172.18.0.106:6809/1133321306",
                        "addrs": {
                            "addrvec": [
                                {
                                    "type": "v2",
                                    "addr": "172.18.0.106:6808",
                                    "nonce": 1133321306
                                },
                                {
                                    "type": "v1",
                                    "addr": "172.18.0.106:6809",
                                    "nonce": 1133321306
                                }
                            ]
                        },
                        "join_fscid": -1,
                        "export_targets": [],
                        "features": 4540138322906710015,
                        "flags": 0,
                        "compat": {
                            "compat": {},
                            "ro_compat": {},
                            "incompat": {
                                "feature_1": "base v0.20",
                                "feature_2": "client writeable ranges",
                                "feature_3": "default file layouts on dirs",
                                "feature_4": "dir inode in separate object",
                                "feature_5": "mds uses versioned encoding",
                                "feature_6": "dirfrag is stored in omap",
                                "feature_7": "mds uses inline data",
                                "feature_8": "no anchor table",
                                "feature_9": "file layout v2",
                                "feature_10": "snaprealm v2",
                                "feature_12": "quiesce subvolumes"
                            }
                        }
                    }
                },
                "data_pools": [
                    6
                ],
                "metadata_pool": 7,
                "enabled": true,
                "fs_name": "cephfs",
                "balancer": "",
                "bal_rank_mask": "-1",
                "standby_count_wanted": 1,
                "qdb_leader": 26329,
                "qdb_cluster": [
                    26329
                ]
            },
            "id": 1
        }
    ]
}
dumped fsmap epoch 16
