WAN停止中のSMB2_COM_SESSION_SETUP操作のNblade.CifsOperationTimedOut
環境
- ONTAP 9
- CIFS
問題
- タイムアウトしたCIFS処理に対してONTAP EMSイベントが生成される
[node1:Nblade.CifsOperationTimedOut:error]: Detected a timed out CIFS operation. SMB command for this operation: SMB2_COM_SESSION_SETUP, Number of times this command was suspended: 1, Number of times this command was restarted: 0, Last CSM error during this operation: CSM_OK, Remote blade UUID: 00000000-0000-0000-0000-000000000000, Is QoS enabled: QoS_disabled, Last nBlade error during this operation: SPINNP_NO_FO_ERROR, Client IP address: 10.1.1.1, Local IP address: 10.1.1.2, Target Vserver ID: 1, Target disk's DSID: 0, Target Vserver Name: svm1- SecDログで、別のスレッドがまだドメイン検出中であることが報告され、42秒間待機します。
例：[000.000.282] ERR : RESULT_ERROR_SECD_IN_DISCOVERY:6938 in lock() at src/utils/secd_lock_maps.cpp:109
[000.000.291] ERR : RESULT_ERROR_SECD_IN_DISCOVERY:6938 in reserveServer() at src/server_discovery/secd_service_list.cpp:1873
[000.000.300] ERR : RESULT_ERROR_GENERAL_INVALID_PTR:4 in unlock() at src/include/secd_lock_utils.h:130
[000.000.306] debug: Another thread is doing discovery for vserver 1 in reserveServer() at src/server_discovery/secd_service_list.cpp:1940 }
[042.255.631] debug: Created service key: 0000000e.domain.MS_NETLOGON { in makeServiceKey() at src/server_discovery/secd_service_list.cpp:186 }
[042.275.284] CRIT : _maxConnectionSem held for 42 seconds for cache ref ID 1448140603, conn type NetLogon { in semaphoreReleased() at src/include/secd_thread_data_manager.h:219 }