由于丢失 ACP 通信而重新启动 SP

适用场景

• ONTAP 9
• 服务处理器 (SP)

问题描述

• 清除 ACP 警报问题描述后， SP 重新启动。EMS 日志 示例：

[node_name-01: dsa_worker1: ses.status.ACPError:alert]: DS2246 (S/N SHFHU0123456789) shelf 0 on channel 0a ACP Processor error for SAS shelf ACP processor 2: critical status   ; Alternate Control Path hardware failed This module is on the rear of the shelf at the top right, on shelf module B.
[node_name-01: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
[node_name-01: monitor: monitor.globalStatus.critical:EMERGENCY]: Disk shelf fault.
[node_name-01: dsa_worker2: ses.status.ACPError:alert]: DS2246 (S/N SHFHU0123456789) shelf 0 on channel 0a ACP Processor error for SAS shelf ACP processor 1: critical status   ; Alternate Control Path hardware failed This module is on the rear of the shelf at the top left, on shelf module A.
[node_name-01: dsa_worker2: ses.status.ACPInfo:info]: DS2246 (S/N SHFHU0123456789) shelf 0 on channel 0a ACP Processor information for SAS shelf ACP processor 2: normal status.
[node_name-01: splog_main: splog.running.normally:info]: Process splogd is operating normally.
[node_name-01: dsa_worker1: ses.status.ACPInfo:info]: DS2246 (S/N SHFHU0123456789) shelf 0 on channel 0a ACP Processor information for SAS shelf ACP processor 1: normal status.
[node_name-01: statd: monitor.shelf.fault.ok:notice]: Fault previously reported on disk storage shelf attached to channel 0a has been corrected.
[node_name-01: monitor: monitor.globalStatus.ok:notice]: The system's global status is normal.

[node_name-02: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
[node_name-02: monitor: monitor.globalStatus.critical:EMERGENCY]: Disk shelf fault.
[node_name-02: dsa_worker1: ses.status.ACPError:alert]: DS2246 (S/N SHFHU0123456789) shelf 0 on channel 0a ACP Processor error for SAS shelf ACP processor 1: critical status   ; Alternate Control Path hardware failed This module is on the rear of the shelf at the top left, on shelf module A.
[node_name-02: splog_main: splog.running.normally:info]: Process splogd is operating normally.
[node_name-02: dsa_worker3: ses.status.ACPInfo:info]: DS2246 (S/N SHFHU0123456789) shelf 0 on channel 0a ACP Processor information for SAS shelf ACP processor 2: normal status.
[node_name-02: dsa_worker2: ses.status.ACPInfo:info]: DS2246 (S/N SHFHU0123456789) shelf 0 on channel 0a ACP Processor information for SAS shelf ACP processor 1: normal status.
[node_name-02: statd: monitor.shelf.fault.ok:notice]: Fault previously reported on disk storage shelf attached to channel 0a has been corrected.
[node_name-02: monitor: monitor.globalStatus.ok:notice]: The system's global status is normal.

• SP 自动重新启动并显示事件消息 示例：

Record 833: Tue Oct 13 18:20:19 2020 [SP.critical]: Rebooting SP due to loss of ACP comms

• ACP 状态正常且工作正常。
• 通过管理 e0M 端口传输的帧数和每秒字节数较高： 

   -- interface  e0M  (30 days, 20 hours, 46 minutes, 42 seconds) --
   RECEIVE
   …
   TRANSMIT
>>>Total frames:    2992m | Frames/second:   1122  | Total bytes:    4523g
   Bytes/second:    1696k | Total errors:     0  | Errors/minute:     0
   Total discards:    0  | Queue overflow:    0  | Multi/broadcast: 90594
   …
 
   -- interface  e0M  (30 days, 20 hours, 44 minutes, 31 seconds) --
   RECEIVE
   …
   TRANSMIT
>>>Total frames:    216m | Frames/second:    81  | Total bytes:     322g
   Bytes/second:    120k | Total errors:     0  | Errors/minute:     0
   Total discards:    0  | Queue overflow:    0  | Multi/broadcast: 90526
   …

• 节点管理 LIF 和集群间 LIF 共享同一广播域。