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High CPU observed on Brocade switch (FabOS 8.2.3)

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Category:
metrocluster
Specialty:
MetroCluster
Last Updated:

Helpful 

Applies to

  • MetroCluster FC
  • Brocade FC Switches
  • ONTAP 9

Issue

  • Log in to the switch takes quite a long time
  • Command outputs take a very long time
  • Observed high CPU usage on all 4 Brocade FC Switches when running the command top

Cpu(s): 83.9%us, 15.1%sy,  0.0%ni,  0.0%id,  0.0%wa,  1.0%hi,  0.0%si,  0.0%st
Mem:   1024012k total,   800440k used,   223572k free,    42140k buffers
Swap:        0k total,        0k used,        0k free,   489864k cached
  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 1658 0         16   0  103m  18m  13m S 96.1  1.9  32709:36 snmpd
 1578 0         16   0  126m  26m  14m S  1.0  2.6 688:42.94 mdd0
 1633 0         15   0  122m  16m  11m S  1.0  1.6 659:22.04 nsd0
 6245 7003      16   0  2816 1304 1036 R  1.0  0.1   0:00.24 top

 

2021/12/01-07:34:12:275938, [MAPS-1002], 14131470/4797, FID 128, ERROR, SANSW02, Chassis, Condition=CHASSIS(CPU>80.00),
 Current Value:[CPU, 99.00 %], RuleName=CHASSIS_CPU_UTILIZATION, Dashboard Category=Switch Resource., raslogAction.c, 
 line: 170, comp:md, ltime:2021/12/01-07:34:12:275169

2021/12/01-07:54:12:258987, [MAPS-1002], 14131882/4798, FID 128, ERROR, SANSW02, Chassis, Condition=CHASSIS(CPU>80.00), 
Current Value:[CPU, 100.00 %], RuleName=CHASSIS_CPU_UTILIZATION, Dashboard Category=Switch Resource., raslogAction.c, 
line: 170, comp:md, ltime:2021/12/01-07:54:12:257628

 

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