FAS8300 NodeIfInErrorsWarnAlert Received
Applies to
- FAS8300/FAS8700/AFFA400
- ONTAP 9
- Cluster Switch
Issue
- Cluster alerts with
NodeIfInErrorsWarnAlert
are shown in EMS log file:
[vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif lif-name (node01) to cluster lif lif-name (node02).
Call home for CLUSTER NETWORK DEGRADED: Large MTU Packet Loss - Ping failures detected between Cluster01 (IP ADD) on Node01 and Cluster02 (IP ADD) on Node02
- This error can also be observed in
SYSTEM-HEALTH-ALERT.XML
:
The percentage of inbound packet errors of node "Node01" on interface "xxx" is above the warning threshold.
- Review cluster ports and switch logs to determine which ports are connected:
CLUSTER01::> network port show
Node: NODE01
Speed(Mbps) Health
Port IPspace Broadcast Domain Link MTU Admin/Oper Status
--------- ------------ ---------------- ---- ---- ----------- ---------
xxx Default Default up 9000 auto/- healthy
- Switch logs show switch side MTU size is incorrectly set:
Ethernetx/x is up
admin state is up, Dedicated Interface
Hardware: 40000 Ethernet, address: xxxx.xxxx.xxxx (bia xxxx.xxxx.xxxx)
MTU 1500 bytes, BW 40000000 Kbit , DLY 10 usec
- Running
ifstat -z
on the affected node check the related ports shows high CRC errors:
-- interface xxx
RECEIVE
Total frames: 468m | Frames/second: 227 | Total bytes: 114g
Bytes/second: 55454 | Total errors: 556k | Errors/minute: 16
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 2369k
Non-primary u/c: 0 | Errored frames: 0 | Unsupported Op: 0
CRC errors: 556k | Runt frames: 0 | Fragment: 0