ceph admin socket怎么用

这篇文章给大家分享的是有关ceph admin socket怎么用的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。

ceph admin socket

利用ceph admin socket可以获得ceph的在线参数，对于验证与调试很有帮助。

$ ceph --admin-daemon /path/to/your/ceph/socket[root@osd2 ~]# ceph --admin-daemon /var/run/ceph/ceph-osd.4.asok help{ "config diff": "dump diff of current config and default config",  "config get": "config get : get the config value",  "config set": "config set   [ ...]: set a config variable",  "config show": "dump current config settings",  "dump_blacklist": "dump blacklisted clients and times",  "dump_historic_ops": "show slowest recent ops",  "dump_op_pq_state": "dump op priority queue state",  "dump_ops_in_flight": "show the ops currently in flight",  "dump_reservations": "show recovery reservations",  "dump_watchers": "show clients which have active watches, and on which objects",  "flush_journal": "flush the journal to permanent store",  "get_command_descriptions": "list available commands",  "getomap": "output entire object map",  "git_version": "get git sha1",  "help": "list available commands",  "injectdataerr": "inject data error into omap",  "injectmdataerr": "inject metadata error",  "log dump": "dump recent log entries to log file",  "log flush": "flush log entries to log file",  "log reopen": "reopen log file",  "objecter_requests": "show in-progress osd requests",  "perf dump": "dump perfcounters value",  "perf schema": "dump perfcounters schema",  "rmomapkey": "remove omap key",  "setomapheader": "set omap header",  "setomapval": "set omap key",  "status": "high-level status of OSD",  "truncobj": "truncate object to length",  "version": "get ceph version"}

获取journal相关的参数设置：

[root@osd2 ~]# ceph --admin-daemon /var/run/ceph/ceph-mon.osd2.asok config show | grep journal  "debug_journaler": "0\/5",  "debug_journal": "1\/3",  "journaler_allow_split_entries": "true",  "journaler_write_head_interval": "15",  "journaler_prefetch_periods": "10",  "journaler_prezero_periods": "5",  "journaler_batch_interval": "0.001",  "journaler_batch_max": "0",  "mds_kill_journal_at": "0",  "mds_kill_journal_expire_at": "0",  "mds_kill_journal_replay_at": "0",  "mds_journal_format": "1",  "osd_journal": "\/var\/lib\/ceph\/osd\/ceph-osd2\/journal",  "osd_journal_size": "5120",  "filestore_fsync_flushes_journal_data": "false",  "filestore_journal_parallel": "false",  "filestore_journal_writeahead": "false",  "filestore_journal_trailing": "false",  "journal_dio": "true",  "journal_aio": "true",  "journal_force_aio": "false",  "journal_max_corrupt_search": "10485760",  "journal_block_align": "true",  "journal_write_header_frequency": "0",  "journal_max_write_bytes": "10485760",  "journal_max_write_entries": "100",  "journal_queue_max_ops": "300",  "journal_queue_max_bytes": "33554432",  "journal_align_min_size": "65536",  "journal_replay_from": "0",  "journal_zero_on_create": "false",  "journal_ignore_corruption": "false",

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