Power supply working fine but reporting NO_PSN_PRESENT_ instead of the serial number
Applies to
DS224C shelf power supplies
Issue
- The power supply is working fine but reports outputs similar to:
::> storage shelf show -shelf-id 11 -stack-id 4 -power Shelf Name: 4.11 Stack ID: 4 Shelf ID: 11 Shelf UID: 50:0a:09:80:03:78:c1:36 Serial Number: SHFHUXXXX000XXX Module Type: IOM6 Model: DS2246 Shelf Vendor: NETAPP Disk Count: 24 Connection Type: SAS Shelf State: Online Status: Normal Power Supply Units: Crest Power Reset PSU Operational ID Type Part# Serial# Power Rating Factor Drawn Capable Enabled Firmware Status --- ---- ------------ --------------- -------------- ------ ------- ------- ------- -------- --------------------- 1 00 PPP-PPPPP+XX NO_PSN_PRESENT_ - - - false true 0000 normal 2 9C 114-00065+B0 PSD041150272769 - - -false true 020F normal Voltage Sensors: Voltage Operational ID (V) Status --- ------- ---------------------- 1 - not-installed 2 - not-installed 3 5.70 normal 4 12.300 normal Current Sensors: Current Operational ID (mA) Status --- ------- ---------------------- 1 - not-installed 2 - not-installed 3 10890 normal 4 17610 normal Errors: ------ --
VPD fault may be seen in
storage fault show.
Vendor Unique Element 83-IOM12B: (SAS)
Element Status Status Bytes Status Descriptions
1 [IOM12B A] : NONCRITICAL 03,0C,00,20 BACKPLANE VPD FAULT, MASTER, RESERVED
2 [IOM12B B] : OK 01,00,00,A0 RESERVED, RESERVED
- Shelf logs may show VPD failures similar to:
General Service faults
13 component(s) registered with fault tracker
Local faults:
9: PCM 1 VPD: FAILED
10: PCM 2 VPD: FAILED
Remote faults:
9: PCM 1 VPD: FAILED
10: PCM 2 VPD: FAILED
- The issue follows the power supply, when swapped with another one working fine.