Loss of Host-side connection redundancy detected on iSCSI host interface card after controller replacement
Applies to
- E5700/ EF570 and E2800/ EF280 having 25GB iSCSI HIC with E-series controller OS 11.60.2 or newer
- Host interface cards (HIC)
- AutoCode Sync (ACS)
- Replacement controller has 11.60.1 or older firmware.
Issue
- Autosupport triggered below alerts on iSCSI HIC after both controllers replaced
E-Series Notification (Loss of host-side connection redundancy detected) CRITICAL
E-Series Notification (Host multipath driver configuration error detected) CRITICAL
Storage Array
Profile
shows MAC addresses used by the controllers having only two unique MAC addresses for all eight ports.
Example as below:
Controller in Shelf 99, Bay A
Host interface: iSCSI
Host Interface Card(HIC): 1
Channel: 5
Port: 0e
Link status: Connected
MAC address: be:ef:de:ad:be:ef
This behavior was not observed prior to replacement of controllers:
Controller in Shelf 99, Bay A
Host interface: iSCSI
Host Interface Card(HIC): 1
Channel: 5
Port: 0e
Link status: Connected
MAC address: 00:a0:98:d5:44:c8