ONTAP集群节点意外重新启动：进程mgwd无响应11515秒(mgwd启动："(2282)")、正在处理nodewdogg

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Category:: ontap-9

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适用场景

ONTAP 9

问题描述

节点意外重新启动：

Process mgwd unresponsive for 11515 seconds (mgwd startup: "(2282)") in process nodewatchdog on release 9.7P22

在节点重新启动之前、事件日志会显示SVM根卷已满：

Wed Aug 21 12:19:40 +0900 [Node-01: wafl_exempt04: wafl.vol.full:alert]: Insufficient space on volume svm1_root@vserver:vserver-uuid to perform operation. 116MB was requested but only 75.0MB was available. Wed Aug 21 12:29:40 +0900 [Node-01: wafl_exempt00: wafl.vol.full:alert]: Insufficient space on volume svm1_root@vserver:vserver-uuid to perform operation. 4.00KB was requested but only 1.00KB was available. Wed Aug 21 12:39:40 +0900 [Node-01: wafl_exempt05: wafl.vol.full:alert]: Insufficient space on volume svm1_root@vserver:vserver-uuid to perform operation. 4.00KB was requested but only 1.00KB was available. Wed Aug 21 12:45:29 +0900 [Node-01: wafl_exempt03: wafl.memory.statusLowMemory:notice]: WAFL is running low on memory, with 938MB remaining. Wed Aug 21 14:29:50 +0900 [Node-01: wafl_exempt06: wafl.vol.full:alert]: Insufficient space on volume svm1_root@vserver:vserver-uuid to perform operation. 4.00KB was requested but only 1.00KB was available. Wed Aug 21 14:39:53 +0900 [Node-01: wafl_exempt06: wafl.vol.full:alert]: Insufficient space on volume svm1_root@vserver:vserver-uuid to perform operation. 4.00KB was requested but only 1.00KB was available. Thu Aug 22 00:44:02 +0900 [Node-01: wafl_exempt02: wafl.memory.statusVeryLowMemory:alert]: WAFL is running very low on memory, with 634MB remaining. Thu Aug 22 00:56:25 +0900 [Node-01: wafl_exempt05: wafl.memory.statusVeryLowMemory:alert]: WAFL is running very low on memory, with 636MB remaining.

DF 显示SVM根卷中没有可用空间：

Filesystem kbytes used avail capacity Mounted on /vol/svm1_root/ 72525891504 70495801660 2030089844 97% /vol/svm1_root/ /vol/svm1_root/.snapshot 3817152184 10975695064 0 288% /vol/svm1_root/.snapshot

cifs-share 显示SVM根卷已共享给用户：

Vserver Share CIFS Server NetBIOS Name Path svm1 01UserDataServer1 SH001084 /share/01UserDataServer1 svm1 02UserDataServer2 SH001084 /share/02UserDataServer2 ...