管理网关守护进程（mgwd）因 SIGABRT 崩溃

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Category:: ontap-9

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适用于

AFF/ASA/FAS
ONTAP 9
已启用自动卷重新平衡的系统

问题

集群中的多个节点反复出现管理网关守护进程（mgwd）崩溃，日志条目如下：
示例 EMS 输出：

Tue Sep 08 23:01:05 -0700 [Node-03: mgwd: ucore.error:error]: Could not dump core for process ID 40606 (mgwd). Reason: WRITE failed (error 4) after 5.493996 secs (321843200 of 512737280 bytes).
Tue Sep 08 23:01:05 -0700 [Node-03: mgwd: ucore.error:error]: Could not dump core for process ID 40606 (mgwd). Reason: coredump "/mroot/etc/.usercores/mgwd.40606.0538074189.1788933661.ucore" failed: error

MGWD 因看门狗而崩溃：

Tue Sep 08 18:09:40 -0700 [Node-03: mgwd: mhost.svc.watchdog:debug]: "RPC service thread held > 600 (sec) by application for function DSMDB_CREATE_IMP - collect_disk_stats"
Tue Sep 08 19:38:52 -0700 [Node-03: mgwd: mhost.svc.watchdog:debug]: "RPC service thread held > 600 (sec) by application for function DSMDB_CREATE_IMP - collect_disk_stats"
Tue Sep 08 20:17:55 -0700 [Node-03: mgwd: mhost.svc.watchdog:debug]: "RPC service thread held > 600 (sec) by application for function DSMDB_CREATE_IMP - queue_disk_stats_collector"

MGWD.GZ:

0000001b.255eee3b 0540e542 Tue Sep 08 2026 15:55:48 -07:00 [kern_mgwd:info:40606] 0x84f2c8800: 0: ERR: MGWD::NSLIBC: NSLIBC: _wrapped_yp_dobind(), ../../../../../../src/lib/libc/yp/yplib.c:956, Vsid = 9 Port Binding Failed: Invalid argument (errno = 22)
0000001b.255eee3c 0540e542 Tue Sep 08 2026 15:55:48 -07:00 [kern_mgwd:info:40606] 0x84e75d100: 0: ERR: MGWD::NSLIBC: NSLIBC: _wrapped_yp_dobind(), ../../../../../../src/lib/libc/yp/yplib.c:956, Vsid = 9 Port Binding Failed: Invalid argument (errno = 22)
0000001b.255eee3d 0540e542 Tue Sep 08 2026 15:55:48 -07:00 [kern_mgwd:info:40606] 0x84e75d100: 0: ERR: MGWD::NSLIBC: NSLIBC: wrapped_nis_netgroup_byhost(), ../../../../../../netapp/lib/libc/netgroups.c:1756, Vsid = 9 NIS error is NS_ERROR_NONE for netgroup pdx-admin, retval for key pdx1-sim-h44-020.* is 5
0000001b.255eee3e 0540e542 Tue Sep 08 2026 15:55:48 -07:00 [kern_mgwd:info:40606] 0x82280d600: 0: ERR: MGWD::NSLIBC: NSLIBC: _wrapped_yp_dobind(), ../../../../../../src/lib/libc/yp/yplib.c:956, Vsid = 9 Port Binding Failed: Invalid argument (errno = 22)
0000001b.255eee3f 0540e542 Tue Sep 08 2026 15:55:48 -07:00 [kern_mgwd:info:40606] 0x82280d600: 0: ERR: MGWD::NSLIBC: NSLIBC: wrapped_nis_netgroup_byhost(), ../../../../../../netapp/lib/libc/netgroups.c:1756, Vsid = 9 NIS error is NS_ERROR_NONE for netgroup pdx-admin, retval

高管理延迟、重复的 mgwd 重启、不完整或失败的核心转储以及 vol0 上的性能降低。