E-Series system New installation iSCSI port with Cisco SFP going down or disappears after configuration
Applies to
- E-Series
- E2860
Issue
- New E-Series system installation having iSCSI port with Cisco SFP goes down or disappears briefly after configuration.
Fig: We see the baseboard port 0a, 0b have disappeared. They re-appear for brief period after reseating cable/ SFP or reboot controller.
- During reboot of controller, we see in Event logs:
- NOTE: This may not trigger from start
B:11/20/23, 4:10:42 AM (04:10:42) 2126 2864 Host-side SFP unsupported - Shelf Unknown, Bay 0 <--CRITICAL
B:11/20/23, 4:06:14 AM (04:06:14) 2122 2864 Host-side SFP unsupported - Shelf Unknown, Bay 0 <--CRITICAL
- Under section Storage Array profile > Shelves: We see the Cisco vendor SFP settings show
Not Applicable
as compared to other vendor SFP
SFP status: Optimal Attached to: Host-side of controller B Location: Host port 0a Supported data rate(s): 10 Gbps Link length: Not applicable Connector: LC Transmitter type: Not applicable Transmission media: Not applicable Vendor: CISCO-OPLINK <--------- Unsupported SFP Vendor Date of manufacture: 7/11/21
SFP status: Optimal Attached to: Host-side of controller B Location: Host port 0f Supported data rate(s): 16 Gbps, 10 Gbps, 8 Gbps, 4 Gbps Link length: Short Connector: LC Transmitter type: Shortwave Laser w/o OFC Transmission media: TM Multi-mode 50m(M5) Vendor: AVAGO Date of manufacture: 11/9/22
Note - Before controller reboot, the SFP unsupported event might not been seen