- ONTAP 9.3P2 or lower
- ONTAP 9.1P13 or lower
- ONTAP lower than 9.4
- Emulex XE201
- All the intiator ports on AFF nodes were showing switchport as "?" due to which NDMP backups were failing.
slot 2: FC Host Adapter 2a (Emulex XE201 rev. 48, N-port, <UP>)
Board name: 111-02451
Serial Number: FC82668249
Firmware rev: 11.4.277.0
Host Port Id: 0x12800
FC Node Name: 2:000:00109b:486c0b
FC Port Name: 1:000:00109b:486c0b
SFP Vendor: EMULEX
SFP Part Number: AFBR-57F5MZ-ELX
SFP Serial Number: AA1813J024K
SFP Capabilities: 4, 8 or 16 Gbit
Link Data Rate: 16 Gbit
Switch Port: ?
porterrshowoutput shows all ports to which affected initiator ports are connected, reporting huge number of "link fail" and "loss sig".
- fabriclog shows evidence of port flapping for same switch ports.
- Link break was detected on the impacted port
Wed May 15 02:12:00 IST [stc8025: slifc_intrd: fci.link.break:error]: Link break detected on Fibre Channel adapter 2a.