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HBA port encountered a device timeout on Disk device

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117
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Category:
ontap-9
Specialty:
san
Last Updated:

Applies to

ONTAP 9

Issue

  • Show “fci.device.timeout” in EMS  log

Wed Jul 19 10:17:12 +0800 [nodeB: isp2400_timeout_3: fci.device.timeout:debug]: HBA 1a encountered a device timeout on Disk device switch_901:22.126 (0x03051600) LUN 30 cdb 0x2a:c418a493:01f7 retry: 0
Wed Jul 19 10:18:00 +0800 [nodeB: isp2400_timeout_3: fci.device.timeout:debug]: HBA 1a encountered a device timeout on Disk device switch_901:22.126 (0x03051600) LUN 28 cdb 0x8a:00000001a3c1bb6e:00000249 retry: 0

  • Tx and RX power are well within the recommended range: 

=============
Port 20:
=============
RX Power:    -2.0    dBm (636.6uW) 
TX Power:    -3.2    dBm (482.8 uW) 

  • PCS error is observed on Brocade switch
/fabos/cliexec/porterrshow :
          frames     enc    crc    crc    too    too    bad    enc   disc   link   loss   loss   c3timeout   pcs   uncor
       tx     rx     in    err    g_eof  shrt   long   eof     out   c3    fail    sync   sig    tx    rx     err    err         

20:  276    165      0      3      2      0      0      1      0      0      2      0      2       0    0     89.7m   0

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