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断电后延迟过长

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适用场景

  • FAS2750
  • ONTAP 9.7P3
  • 断电

问题描述

  • 发生导致两个节点重新启动的断电后、系统上会出现过多延迟
  • 集群出现高延迟

Workload       ID   Latency   Network   Cluster     Data     Disk   QoS Max   QoS Min    NVRAM 
--------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- 
volume1      17347   36.05ms   106.00us   35.09ms   641.00us    5.09ms     0ms     0ms   25.00us 
volume2      20282   34.12ms   90.00us   33.41ms   420.00us    3.41ms     0ms     0ms   11.00us

  • 其中一个控制器集群端口显示多个CRC和符号错误
-- interface e0b (0 hours, 10 minutes, 30 seconds) -- RECEIVE Total frames: 839k | Frames/second: 1332 | Total bytes: 3980m Bytes/second: 6318k | Total errors: 20924 | Errors/minute: 1993 Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 50 Non-primary u/c: 0 | CRC errors: 20877 | Runt frames: 0 Fragment: 0 | Long frames: 0 | Jabber: 45 Length errors: 2 | No buffer: 0 | Xon: 0 Xoff: 0 | Pause: 0 | Jumbo: 483k Noproto: 0 | Error symbol: 319 | Illegal symbol: 66 Bus overruns: 0 | Queue drops: 0 | LRO segments: 571k LRO bytes: 3925m | LRO6 segments: 0 | LRO6 bytes: 0 Bad UDP cksum: 0 | Bad UDP6 cksum: 0 | Bad TCP cksum: 0 Bad TCP6 cksum: 0 | Mcast v6 solicit: 0 | Lagg errors: 0 Lacp errors: 0 | Lacp PDU errors: 0

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