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"OFW transfer timed out" error report in event log

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Category:
ontap-9
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hw
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Applies to

ONTAP 9

Issue

cf.ic.xferTimedOut errors reported in EMS:
 
[?] Sat Apr 22 12:33:45 +0800 [node0: cf_firmware: cf.ic.xferTimedOut:error]: HA interconnect: OFW transfer timed out.
[?] Sat Apr 22 12:33:45 +0800 [node0: kernel: netif.linkDown:info]: Ethernet e0b: Link down, check cable.
[?] Sat Apr 22 12:33:45 +0800 [node0: nvmm_error: rdma.rlib.event.error:debug]: QP wafl event error: client disconnect.
[?] Sat Apr 22 12:33:45 +0800 [node0: cf_main: cf.fsm.takeoverByPartnerDisabled:error]: Failover monitor: takeover of node0 by node1 disabled (unsynchronized log).
[?] Sat Apr 22 12:33:46 +0800 [node0: cf_main: cf.fsm.takeoverOfPartnerDisabled:error]: Failover monitor: takeover of node1 disabled (unsynchronized log).
[?] Sat Apr 22 12:33:48 +0800 [node0: kernel: netif.linkUp:info]: Ethernet e0b: Link up.
 

IFSTAT-A:

-- interface  e0b  (50 days, 14 hours, 0 minutes, 55 seconds) --

RECEIVE
Total frames:     9028k | Frames/second:       2  | Total bytes:     13074m
Bytes/second:     2992  | Total errors:    94864  | Errors/minute:       1
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:  9028k
Non-primary u/c:     0  | Errored frames:      0  | Unsupported Op:      0
 CRC errors:      86184  | Runt frames:         0  | Fragment:          455
 Long frames:         0  | Jabber:              0  | Length errors:       0
 Alignment errors:    0  | No buffer:           0  | Pause:               0
 Jumbo:               0  | Error symbol:     8225  | Bus overruns:        0
 Queue drops:         0  | LRO segments:        0  | LRO bytes:           0
 LRO6 segments:       0  | LRO6 bytes:          0  | Bad UDP cksum:       0
 Bad UDP6 cksum:      0  | Bad TCP cksum:       0  | Bad TCP6 cksum:      0
 Mcast v6 solicit:    0  | Lagg errors:         0  | Lacp errors:         0
 Lacp PDU errors:     0
TRANSMIT
Total frames:     4514k | Frames/second:       1  | Total bytes:      6538m
Bytes/second:     1496  | Total errors:        0  | Errors/minute:       0
 Total discards:      0  | Queue overflow:      0  | Multi/broadcast:  4514k
Collisions:          0  | Pause:               0  | Jumbo:           82742k
Cfg Up to Downs:     1  | TSO segments:        0  | TSO bytes:           0
 TSO6 segments:       0  | TSO6 bytes:          0  | HW UDP cksums:    4299k
HW UDP6 cksums:      0  | HW TCP cksums:       0  | HW TCP6 cksums:      0
 Mcast v6 solicit:    5  | Lagg drops:          0  | Lagg no buffer:      0
 Lagg no entries:     0
DEVICE
Mcast addresses:     8  | Rx MBuf Sz:       9216
LINK INFO
Speed:           25000M | Duplex:            full | Flowcontrol:       full
Media state:     active | Up to downs:          7 | HW assist:        5655

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