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AFF A70 Fans running at high RPM and loud

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hw
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Applies to

  • AFF A70
  • ONTAP 9

Issue

  • Fans are running at high speed and are loud
  • from SP-IPMI-Latest , we see
Sysfan4 F1 Speed         normal         21840 RPM    3120 RPM    4030 RPM   28990 RPM   32500 RPM
Sysfan4 F2 Speed         normal         19110 RPM    3120 RPM    4030 RPM   27950 RPM   31070 RPM
Sysfan5 Status           normal            25          --          --          --          --
Sysfan5 Present                         PRESENT
Sysfan5 F1 Speed         normal         21840 RPM    3120 RPM    4030 RPM   28990 RPM   32500 RPM
Sysfan5 F2 Speed         normal         18850 RPM    3120 RPM    4030 RPM   27950 RPM   31070 RPM
Sysfan6 Status           normal            25          --          --          --          --
Sysfan6 Present                         PRESENT
 
IO2 Status               normal            57          --          --          --          --
IO2 25G CX7 Temp         disabled          -- C         0 C         5 C       100 C       105 C       ==>disabled
IO2 25G P1 Temp          disabled          -- C        -5 C        -1 C        70 C        75 C
IO2 25G P2 Temp          disabled          -- C        -5 C        -1 C        70 C        75 C
IO2 25G P3 Temp          disabled          -- C        -5 C        -1 C        70 C        75 C
IO2 25G P4 Temp          disabled          -- C        -5 C        -1 C        70 C        75 C
 
  • From above section, notice that sensors of  Card in Slot 2 are unreadable , checking sysconfig -a we see unsupported cable connected
slot 2: Quad 10G/25G Ethernet Controller CX7
e2a MAC Address:    d0:39:ea:bf:e5:57 (auto-unknown-fd-up)
SFP Vendor:         Amphenol
SFP Part Number:    606780010  ===> unsupported cable
SFP Serial Number:  APF15240105FHD
 

 

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