You might try turning osd_max_backfills to 2 or 1. -Sam
On Fri, Aug 2, 2013 at 12:44 AM, Stefan Priebe <s.pri...@profihost.ag> wrote: > Am 01.08.2013 23:23, schrieb Samuel Just:> Can you dump your osd settings? > >> sudo ceph --admin-daemon ceph-osd.<osdid>.asok config show > > Sure. > > > > { "name": "osd.0", > "cluster": "ceph", > "none": "0\/5", > "lockdep": "0\/0", > "context": "0\/0", > "crush": "0\/0", > "mds": "0\/0", > "mds_balancer": "0\/0", > "mds_locker": "0\/0", > "mds_log": "0\/0", > "mds_log_expire": "0\/0", > "mds_migrator": "0\/0", > "buffer": "0\/0", > "timer": "0\/0", > "filer": "0\/0", > "striper": "0\/1", > "objecter": "0\/0", > "rados": "0\/0", > "rbd": "0\/0", > "journaler": "0\/0", > "objectcacher": "0\/0", > "client": "0\/0", > "osd": "0\/0", > "optracker": "0\/0", > "objclass": "0\/0", > "filestore": "0\/0", > "journal": "0\/0", > "ms": "0\/0", > "mon": "0\/0", > "monc": "0\/0", > "paxos": "0\/0", > "tp": "0\/0", > "auth": "0\/0", > "crypto": "1\/5", > "finisher": "0\/0", > "heartbeatmap": "0\/0", > "perfcounter": "0\/0", > "rgw": "0\/0", > "hadoop": "0\/0", > "javaclient": "1\/5", > "asok": "0\/0", > "throttle": "0\/0", > "host": "cloud1-1268", > "fsid": "00000000-0000-0000-0000-000000000000", > "public_addr": "10.255.0.90:0\/0", > "cluster_addr": "10.255.0.90:0\/0", > "public_network": "10.255.0.1\/24", > "cluster_network": "10.255.0.1\/24", > "num_client": "1", > "monmap": "", > "mon_host": "", > "lockdep": "false", > "run_dir": "\/var\/run\/ceph", > "admin_socket": "\/var\/run\/ceph\/ceph-osd.0.asok", > "daemonize": "true", > "pid_file": "\/var\/run\/ceph\/osd.0.pid", > "chdir": "\/", > "max_open_files": "0", > "fatal_signal_handlers": "true", > "log_file": "\/var\/log\/ceph\/ceph-osd.0.log", > "log_max_new": "1000", > "log_max_recent": "10000", > "log_to_stderr": "false", > "err_to_stderr": "true", > "log_to_syslog": "false", > "err_to_syslog": "false", > "log_flush_on_exit": "true", > "log_stop_at_utilization": "0.97", > "clog_to_monitors": "true", > "clog_to_syslog": "false", > "clog_to_syslog_level": "info", > "clog_to_syslog_facility": "daemon", > "mon_cluster_log_to_syslog": "false", > "mon_cluster_log_to_syslog_level": "info", > "mon_cluster_log_to_syslog_facility": "daemon", > "mon_cluster_log_file": "\/var\/log\/ceph\/ceph.log", > "key": "", > "keyfile": "", > "keyring": "\/etc\/ceph\/osd.0.keyring", > "heartbeat_interval": "5", > "heartbeat_file": "", > "heartbeat_inject_failure": "0", > "perf": "true", > "ms_tcp_nodelay": "true", > "ms_tcp_rcvbuf": "0", > "ms_initial_backoff": "0.2", > "ms_max_backoff": "15", > "ms_nocrc": "false", > "ms_die_on_bad_msg": "false", > "ms_die_on_unhandled_msg": "false", > "ms_dispatch_throttle_bytes": "104857600", > "ms_bind_ipv6": "false", > "ms_bind_port_min": "6800", > "ms_bind_port_max": "7100", > "ms_rwthread_stack_bytes": "1048576", > "ms_tcp_read_timeout": "900", > "ms_pq_max_tokens_per_priority": "4194304", > "ms_pq_min_cost": "65536", > "ms_inject_socket_failures": "0", > "ms_inject_delay_type": "", > "ms_inject_delay_max": "1", > "ms_inject_delay_probability": "0", > "ms_inject_internal_delays": "0", > "mon_data": "\/var\/lib\/ceph\/mon\/ceph-0", > "mon_initial_members": "", > "mon_sync_fs_threshold": "5", > "mon_compact_on_start": "false", > "mon_compact_on_bootstrap": "false", > "mon_compact_on_trim": "true", > "mon_tick_interval": "5", > "mon_subscribe_interval": "300", > "mon_osd_laggy_halflife": "3600", > "mon_osd_laggy_weight": "0.3", > "mon_osd_adjust_heartbeat_grace": "true", > "mon_osd_adjust_down_out_interval": "true", > "mon_osd_auto_mark_in": "false", > "mon_osd_auto_mark_auto_out_in": "true", > "mon_osd_auto_mark_new_in": "true", > "mon_osd_down_out_interval": "300", > "mon_osd_down_out_subtree_limit": "rack", > "mon_osd_min_up_ratio": "0.3", > "mon_osd_min_in_ratio": "0.3", > "mon_stat_smooth_intervals": "2", > "mon_lease": "5", > "mon_lease_renew_interval": "3", > "mon_lease_ack_timeout": "10", > "mon_clock_drift_allowed": "0.05", > "mon_clock_drift_warn_backoff": "5", > "mon_timecheck_interval": "300", > "mon_accept_timeout": "10", > "mon_pg_create_interval": "30", > "mon_pg_stuck_threshold": "300", > "mon_osd_full_ratio": "0.95", > "mon_osd_nearfull_ratio": "0.85", > "mon_globalid_prealloc": "100", > "mon_osd_report_timeout": "900", > "mon_force_standby_active": "true", > "mon_min_osdmap_epochs": "500", > "mon_max_pgmap_epochs": "500", > "mon_max_log_epochs": "500", > "mon_max_osd": "10000", > "mon_probe_timeout": "2", > "mon_slurp_timeout": "10", > "mon_slurp_bytes": "262144", > "mon_client_bytes": "104857600", > "mon_daemon_bytes": "419430400", > "mon_max_log_entries_per_event": "4096", > "mon_health_data_update_interval": "60", > "mon_data_avail_crit": "5", > "mon_data_avail_warn": "30", > "mon_config_key_max_entry_size": "4096", > "mon_sync_trim_timeout": "30", > "mon_sync_heartbeat_timeout": "30", > "mon_sync_heartbeat_interval": "5", > "mon_sync_backoff_timeout": "30", > "mon_sync_timeout": "30", > "mon_sync_max_retries": "5", > "mon_sync_max_payload_size": "1048576", > "mon_sync_debug": "false", > "mon_sync_debug_leader": "-1", > "mon_sync_debug_provider": "-1", > "mon_sync_debug_provider_fallback": "-1", > "mon_debug_dump_transactions": "false", > "mon_debug_dump_location": "\/var\/log\/ceph\/ceph-osd.0.tdump", > "mon_sync_leader_kill_at": "0", > "mon_sync_provider_kill_at": "0", > "mon_sync_requester_kill_at": "0", > "mon_leveldb_write_buffer_size": "33554432", > "mon_leveldb_cache_size": "268435456", > "mon_leveldb_block_size": "65536", > "mon_leveldb_bloom_size": "0", > "mon_leveldb_max_open_files": "0", > "mon_leveldb_compression": "false", > "mon_leveldb_paranoid": "false", > "mon_leveldb_log": "", > "paxos_stash_full_interval": "25", > "paxos_max_join_drift": "100", > "paxos_propose_interval": "1", > "paxos_min_wait": "0.05", > "paxos_min": "500", > "paxos_trim_min": "500", > "paxos_trim_max": "1000", > "paxos_trim_disabled_max_versions": "108000", > "paxos_service_trim_min": "500", > "paxos_service_trim_max": "1000", > "clock_offset": "0", > "auth_cluster_required": "none", > "auth_service_required": "none", > "auth_client_required": "none", > "auth_supported": "none", > "cephx_require_signatures": "false", > "cephx_cluster_require_signatures": "false", > "cephx_service_require_signatures": "false", > "cephx_sign_messages": "true", > "auth_mon_ticket_ttl": "43200", > "auth_service_ticket_ttl": "3600", > "auth_debug": "false", > "mon_client_hunt_interval": "3", > "mon_client_ping_interval": "10", > "mon_client_max_log_entries_per_message": "1000", > "mon_max_pool_pg_num": "65536", > "mon_pool_quota_warn_threshold": "0", > "mon_pool_quota_crit_threshold": "0", > "client_cache_size": "16384", > "client_cache_mid": "0.75", > "client_use_random_mds": "false", > "client_mount_timeout": "300", > "client_tick_interval": "1", > "client_trace": "", > "client_readahead_min": "131072", > "client_readahead_max_bytes": "0", > "client_readahead_max_periods": "4", > "client_snapdir": ".snap", > "client_mountpoint": "\/", > "client_notify_timeout": "10", > "client_caps_release_delay": "5", > "client_oc": "true", > "client_oc_size": "209715200", > "client_oc_max_dirty": "104857600", > "client_oc_target_dirty": "8388608", > "client_oc_max_dirty_age": "5", > "client_oc_max_objects": "1000", > "client_debug_force_sync_read": "false", > "client_debug_inject_tick_delay": "0", > "fuse_use_invalidate_cb": "false", > "fuse_allow_other": "true", > "fuse_default_permissions": "true", > "fuse_big_writes": "true", > "fuse_atomic_o_trunc": "true", > "fuse_debug": "false", > "objecter_tick_interval": "5", > "objecter_timeout": "10", > "objecter_inflight_op_bytes": "104857600", > "objecter_inflight_ops": "1024", > "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_data": "\/var\/lib\/ceph\/mds\/ceph-0", > "mds_max_file_size": "1099511627776", > "mds_cache_size": "100000", > "mds_cache_mid": "0.7", > "mds_mem_max": "1048576", > "mds_dir_commit_ratio": "0.5", > "mds_dir_max_commit_size": "90", > "mds_decay_halflife": "5", > "mds_beacon_interval": "4", > "mds_beacon_grace": "15", > "mds_enforce_unique_name": "true", > "mds_blacklist_interval": "1440", > "mds_session_timeout": "60", > "mds_session_autoclose": "300", > "mds_reconnect_timeout": "45", > "mds_tick_interval": "5", > "mds_dirstat_min_interval": "1", > "mds_scatter_nudge_interval": "5", > "mds_client_prealloc_inos": "1000", > "mds_early_reply": "true", > "mds_use_tmap": "true", > "mds_default_dir_hash": "2", > "mds_log": "true", > "mds_log_skip_corrupt_events": "false", > "mds_log_max_events": "-1", > "mds_log_segment_size": "0", > "mds_log_max_segments": "30", > "mds_log_max_expiring": "20", > "mds_bal_sample_interval": "3", > "mds_bal_replicate_threshold": "8000", > "mds_bal_unreplicate_threshold": "0", > "mds_bal_frag": "false", > "mds_bal_split_size": "10000", > "mds_bal_split_rd": "25000", > "mds_bal_split_wr": "10000", > "mds_bal_split_bits": "3", > "mds_bal_merge_size": "50", > "mds_bal_merge_rd": "1000", > "mds_bal_merge_wr": "1000", > "mds_bal_interval": "10", > "mds_bal_fragment_interval": "5", > "mds_bal_idle_threshold": "0", > "mds_bal_max": "-1", > "mds_bal_max_until": "-1", > "mds_bal_mode": "0", > "mds_bal_min_rebalance": "0.1", > "mds_bal_min_start": "0.2", > "mds_bal_need_min": "0.8", > "mds_bal_need_max": "1.2", > "mds_bal_midchunk": "0.3", > "mds_bal_minchunk": "0.001", > "mds_bal_target_removal_min": "5", > "mds_bal_target_removal_max": "10", > "mds_replay_interval": "1", > "mds_shutdown_check": "0", > "mds_thrash_exports": "0", > "mds_thrash_fragments": "0", > "mds_dump_cache_on_map": "false", > "mds_dump_cache_after_rejoin": "false", > "mds_verify_scatter": "false", > "mds_debug_scatterstat": "false", > "mds_debug_frag": "false", > "mds_debug_auth_pins": "false", > "mds_debug_subtrees": "false", > "mds_kill_mdstable_at": "0", > "mds_kill_export_at": "0", > "mds_kill_import_at": "0", > "mds_kill_link_at": "0", > "mds_kill_rename_at": "0", > "mds_kill_openc_at": "0", > "mds_kill_journal_at": "0", > "mds_kill_journal_expire_at": "0", > "mds_kill_journal_replay_at": "0", > "mds_inject_traceless_reply_probability": "0", > "mds_wipe_sessions": "false", > "mds_wipe_ino_prealloc": "false", > "mds_skip_ino": "0", > "max_mds": "1", > "mds_standby_for_name": "", > "mds_standby_for_rank": "-1", > "mds_standby_replay": "false", > "osd_auto_upgrade_tmap": "true", > "osd_tmapput_sets_uses_tmap": "false", > "osd_max_backfills": "5", > "osd_backfill_full_ratio": "0.85", > "osd_backfill_retry_interval": "10", > "osd_uuid": "00000000-0000-0000-0000-000000000000", > "osd_data": "\/ceph\/osd.0\/", > "osd_journal": "\/dev\/disk\/by-partlabel\/journalosd0", > "osd_journal_size": "5120", > "osd_max_write_size": "90", > "osd_max_pgls": "1024", > "osd_client_message_size_cap": "524288000", > "osd_client_message_cap": "100", > "osd_pg_bits": "6", > "osd_pgp_bits": "6", > "osd_crush_chooseleaf_type": "1", > "osd_min_rep": "1", > "osd_max_rep": "10", > "osd_pool_default_crush_rule": "0", > "osd_pool_default_size": "2", > "osd_pool_default_min_size": "0", > "osd_pool_default_pg_num": "8", > "osd_pool_default_pgp_num": "8", > "osd_pool_default_flags": "0", > "osd_map_dedup": "true", > "osd_map_cache_size": "500", > "osd_map_message_max": "100", > "osd_map_share_max_epochs": "100", > "osd_op_threads": "2", > "osd_peering_wq_batch_size": "20", > "osd_op_pq_max_tokens_per_priority": "4194304", > "osd_op_pq_min_cost": "65536", > "osd_disk_threads": "1", > "osd_recovery_threads": "2", > "osd_recover_clone_overlap": "true", > "osd_backfill_scan_min": "64", > "osd_backfill_scan_max": "512", > "osd_op_thread_timeout": "15", > "osd_recovery_thread_timeout": "30", > "osd_snap_trim_thread_timeout": "3600", > "osd_scrub_thread_timeout": "60", > "osd_scrub_finalize_thread_timeout": "600", > "osd_remove_thread_timeout": "3600", > "osd_command_thread_timeout": "600", > "osd_age": "0.8", > "osd_age_time": "0", > "osd_heartbeat_addr": ":\/0", > "osd_heartbeat_interval": "6", > "osd_heartbeat_grace": "20", > "osd_mon_heartbeat_interval": "30", > "osd_mon_report_interval_max": "120", > "osd_mon_report_interval_min": "5", > "osd_pg_stat_report_interval_max": "500", > "osd_mon_ack_timeout": "30", > "osd_min_down_reporters": "1", > "osd_min_down_reports": "3", > "osd_default_data_pool_replay_window": "45", > "osd_preserve_trimmed_log": "false", > "osd_auto_mark_unfound_lost": "false", > "osd_recovery_delay_start": "0", > "osd_recovery_max_active": "5", > "osd_recovery_max_chunk": "8388608", > "osd_recovery_forget_lost_objects": "false", > "osd_max_scrubs": "1", > "osd_scrub_load_threshold": "0.5", > "osd_scrub_min_interval": "86400", > "osd_scrub_max_interval": "604800", > "osd_deep_scrub_interval": "604800", > "osd_deep_scrub_stride": "524288", > "osd_scan_list_ping_tp_interval": "100", > "osd_auto_weight": "false", > "osd_class_dir": "\/usr\/lib\/rados-classes", > "osd_check_for_log_corruption": "false", > "osd_use_stale_snap": "false", > "osd_rollback_to_cluster_snap": "", > "osd_default_notify_timeout": "30", > "osd_kill_backfill_at": "0", > "osd_pg_epoch_persisted_max_stale": "200", > "osd_min_pg_log_entries": "500", > "osd_max_pg_log_entries": "1500", > "osd_op_complaint_time": "30", > "osd_command_max_records": "256", > "osd_op_log_threshold": "5", > "osd_verify_sparse_read_holes": "false", > "osd_debug_drop_ping_probability": "0", > "osd_debug_drop_ping_duration": "0", > "osd_debug_drop_pg_create_probability": "0", > "osd_debug_drop_pg_create_duration": "1", > "osd_debug_drop_op_probability": "0", > "osd_debug_op_order": "false", > "osd_debug_verify_snaps_on_info": "false", > "osd_debug_verify_stray_on_activate": "false", > "osd_debug_skip_full_check_in_backfill_reservation": "false", > "osd_op_history_size": "20", > "osd_op_history_duration": "600", > "osd_target_transaction_size": "30", > "osd_failsafe_full_ratio": "0.97", > "osd_failsafe_nearfull_ratio": "0.9", > "osd_leveldb_write_buffer_size": "0", > "osd_leveldb_cache_size": "0", > "osd_leveldb_block_size": "0", > "osd_leveldb_bloom_size": "0", > "osd_leveldb_max_open_files": "0", > "osd_leveldb_compression": "true", > "osd_leveldb_paranoid": "false", > "osd_leveldb_log": "", > "osd_client_op_priority": "63", > "osd_recovery_op_priority": "50", > "osd_mon_shutdown_timeout": "5", > "filestore": "false", > "filestore_index_retry_probability": "0", > "filestore_debug_inject_read_err": "false", > "filestore_debug_omap_check": "false", > "filestore_xattr_use_omap": "false", > "filestore_max_inline_xattr_size": "512", > "filestore_max_inline_xattrs": "2", > "filestore_max_sync_interval": "5", > "filestore_min_sync_interval": "0.01", > "filestore_btrfs_snap": "true", > "filestore_btrfs_clone_range": "true", > "filestore_fsync_flushes_journal_data": "false", > "filestore_fiemap": "false", > "filestore_flusher": "true", > "filestore_flusher_max_fds": "512", > "filestore_flush_min": "65536", > "filestore_sync_flush": "false", > "filestore_journal_parallel": "false", > "filestore_journal_writeahead": "false", > "filestore_journal_trailing": "false", > "filestore_queue_max_ops": "500", > "filestore_queue_max_bytes": "104857600", > "filestore_queue_committing_max_ops": "5000", > "filestore_queue_committing_max_bytes": "104857600", > "filestore_op_threads": "2", > "filestore_op_thread_timeout": "60", > "filestore_op_thread_suicide_timeout": "180", > "filestore_commit_timeout": "600", > "filestore_fiemap_threshold": "4096", > "filestore_merge_threshold": "10", > "filestore_split_multiple": "2", > "filestore_update_to": "1000", > "filestore_blackhole": "false", > "filestore_dump_file": "", > "filestore_kill_at": "0", > "filestore_inject_stall": "0", > "filestore_fail_eio": "true", > "filestore_replica_fadvise": "true", > "filestore_debug_verify_split": "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", > "rbd_cache": "false", > "rbd_cache_writethrough_until_flush": "false", > "rbd_cache_size": "33554432", > "rbd_cache_max_dirty": "25165824", > "rbd_cache_target_dirty": "16777216", > "rbd_cache_max_dirty_age": "1", > "rbd_cache_block_writes_upfront": "false", > "rbd_concurrent_management_ops": "10", > "rbd_default_format": "1", > "rbd_default_order": "22", > "rbd_default_stripe_count": "1", > "rbd_default_stripe_unit": "4194304", > "rbd_default_features": "3", > "nss_db_path": "", > "rgw_data": "\/var\/lib\/ceph\/radosgw\/ceph-0", > "rgw_enable_apis": "s3, swift, swift_auth, admin", > "rgw_cache_enabled": "true", > "rgw_cache_lru_size": "10000", > "rgw_socket_path": "", > "rgw_host": "", > "rgw_port": "", > "rgw_dns_name": "", > "rgw_script_uri": "", > "rgw_request_uri": "", > "rgw_swift_url": "", > "rgw_swift_url_prefix": "swift", > "rgw_swift_auth_url": "", > "rgw_swift_auth_entry": "auth", > "rgw_keystone_url": "", > "rgw_keystone_admin_token": "", > "rgw_keystone_accepted_roles": "Member, admin", > "rgw_keystone_token_cache_size": "10000", > "rgw_keystone_revocation_interval": "900", > "rgw_admin_entry": "admin", > "rgw_enforce_swift_acls": "true", > "rgw_swift_token_expiration": "86400", > "rgw_print_continue": "true", > "rgw_remote_addr_param": "REMOTE_ADDR", > "rgw_op_thread_timeout": "600", > "rgw_op_thread_suicide_timeout": "0", > "rgw_thread_pool_size": "100", > "rgw_num_control_oids": "8", > "rgw_zone_root_pool": ".rgw.root", > "rgw_log_nonexistent_bucket": "false", > "rgw_log_object_name": "%Y-%m-%d-%H-%i-%n", > "rgw_log_object_name_utc": "false", > "rgw_usage_max_shards": "32", > "rgw_usage_max_user_shards": "1", > "rgw_enable_ops_log": "false", > "rgw_enable_usage_log": "false", > "rgw_ops_log_rados": "true", > "rgw_ops_log_socket_path": "", > "rgw_ops_log_data_backlog": "5242880", > "rgw_usage_log_flush_threshold": "1024", > "rgw_usage_log_tick_interval": "30", > "rgw_intent_log_object_name": "%Y-%m-%d-%i-%n", > "rgw_intent_log_object_name_utc": "false", > "rgw_init_timeout": "300", > "rgw_mime_types_file": "\/etc\/mime.types", > "rgw_gc_max_objs": "32", > "rgw_gc_obj_min_wait": "7200", > "rgw_gc_processor_max_time": "3600", > "rgw_gc_processor_period": "3600", > "rgw_s3_success_create_obj_status": "0", > "rgw_resolve_cname": "false", > "rgw_obj_stripe_size": "4194304", > "rgw_extended_http_attrs": "", > "rgw_exit_timeout_secs": "120", > "rgw_get_obj_window_size": "16777216", > "rgw_get_obj_max_req_size": "4194304", > "rgw_relaxed_s3_bucket_names": "false", > "rgw_list_buckets_max_chunk": "1000", > "mutex_perf_counter": "false", > "internal_safe_to_start_threads": "true"} > > > > Stefan > > >> -Sam >> >> On Thu, Aug 1, 2013 at 12:07 PM, Stefan Priebe <s.pri...@profihost.ag> >> wrote: >>> >>> Mike we already have the async patch running. Yes it helps but only helps >>> it >>> does not solve. It just hides the issue ... >>> Am 01.08.2013 20:54, schrieb Mike Dawson: >>> >>>> I am also seeing recovery issues with 0.61.7. Here's the process: >>>> >>>> - ceph osd set noout >>>> >>>> - Reboot one of the nodes hosting OSDs >>>> - VMs mounted from RBD volumes work properly >>>> >>>> - I see the OSD's boot messages as they re-join the cluster >>>> >>>> - Start seeing active+recovery_wait, peering, and active+recovering >>>> - VMs mounted from RBD volumes become unresponsive. >>>> >>>> - Recovery completes >>>> - VMs mounted from RBD volumes regain responsiveness >>>> >>>> - ceph osd unset noout >>>> >>>> Would joshd's async patch for qemu help here, or is there something else >>>> going on? >>>> >>>> Output of ceph -w at: http://pastebin.com/raw.php?i=JLcZYFzY >>>> >>>> Thanks, >>>> >>>> Mike Dawson >>>> Co-Founder & Director of Cloud Architecture >>>> Cloudapt LLC >>>> 6330 East 75th Street, Suite 170 >>>> Indianapolis, IN 46250 >>>> >>>> On 8/1/2013 2:34 PM, Samuel Just wrote: >>>>> >>>>> >>>>> Can you reproduce and attach the ceph.log from before you stop the osd >>>>> until after you have started the osd and it has recovered? >>>>> -Sam >>>>> >>>>> On Thu, Aug 1, 2013 at 1:22 AM, Stefan Priebe - Profihost AG >>>>> <s.pri...@profihost.ag> wrote: >>>>>> >>>>>> >>>>>> Hi, >>>>>> >>>>>> i still have recovery issues with cuttlefish. After the OSD comes back >>>>>> it seem to hang for around 2-4 minutes and then recovery seems to >>>>>> start >>>>>> (pgs in recovery_wait start to decrement). This is with ceph 0.61.7. I >>>>>> get a lot of slow request messages an hanging VMs. >>>>>> >>>>>> What i noticed today is that if i leave the OSD off as long as ceph >>>>>> starts to backfill - the recovery and "re" backfilling wents >>>>>> absolutely >>>>>> smooth without any issues and no slow request messages at all. >>>>>> >>>>>> Does anybody have an idea why? >>>>>> >>>>>> Greets, >>>>>> Stefan >>>>>> -- >>>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" >>>>>> in >>>>>> the body of a message to majord...@vger.kernel.org >>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>> >>>>> >>>>> -- >>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" >>>>> in >>>>> the body of a message to majord...@vger.kernel.org >>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>> >>> >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majord...@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html