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AIX errpt : ( E7A89C7D Local adapter disabled after unstable singleton for long time )


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# 1  
AIX errpt : ( E7A89C7D Local adapter disabled after unstable singleton for long time )

Code:
[Problems]
Medel : 9117-MMC 
OS: AIX 6.1
Patch level : 6100-07-04-1216
Hacmp version : HACMP v 6.1.0.8
Oracle : 11.2.0.3 RAC
Node : 2 node

Dear, my one node server has been restarted early this morning, So, i tried to start HA and Oracle database.
after that, the follow error appears at the node every four minutes. and Oracle service is working well.
I think there is no problem with the network configuration. en8 is set to etherchannel.
what shell i do?

Code:
[Error : errpt]
---------------------------------------------------------------------------
LABEL:          TS_UNS_SIN_TR
IDENTIFIER:     E7A89C7D

Date/Time:       Mon Jun 24 09:37:18 KST 2019
Sequence Number: 103582
Machine Id:      00C25B674C00
Node Id:         AAAAA
Class:           U
Type:            UNKN
WPAR:            Global
Resource Name:   topsvcs
Resource Class:  NONE
Resource Type:   NONE
Location:

Description
Local adapter disabled after unstable singleton for long time

Probable Causes
Adapter misconfigured
Adapter can receive broadcast but not unicast messages
Adapter's IP address used by another adapter

Failure Causes
Network problem

        Recommended Actions
        Verify adapter configuration
        Verify network connectivity

Detail Data
DETECTING MODULE
rsct,threephs.C,1.209.1.10,6251
ERROR ID
6xl7eb1yg/2R/BcS1/cU08....................
REFERENCE CODE

Adapter interface name
en8
Adapter offset
           0
Adapter IP address
10.50.10.212



[others data]
AAAAA#>lsattr -El en8
alias4                      IPv4 Alias including Subnet Mask              True
alias6                      IPv6 Alias including Prefix Length            True
arp           on            Address Resolution Protocol (ARP)             True
authority                   Authorized Users                              True
broadcast                   Broadcast Address                             True
monitor       off           Enable/Disable monitor attribute              True
mtu           1500          Maximum IP Packet Size for This Device        True
mtu_bypass    off           Enable/Disable largesend for virtual Ethernet True
netaddr       10.50.10.212  Internet Address                              True
netaddr6                    IPv6 Internet Address                         True
netmask       255.255.255.0 Subnet Mask                                   True
prefixlen                   Prefix Length for IPv6 Internet Address       True
remmtu        576           Maximum IP Packet Size for REMOTE Networks    True
rfc1323                     Enable/Disable TCP RFC 1323 Window Scaling    True
security      none          Security Level                                True
state         up            Current Interface Status                      True
tcp_mssdflt                 Set TCP Maximum Segment Size                  True
tcp_nodelay                 Enable/Disable TCP_NODELAY Option             True
tcp_recvspace               Set Socket Buffer Space for Receiving         True
tcp_sendspace               Set Socket Buffer Space for Sending           True
thread        off           Enable/Disable thread attribute               True




AAAAA#>ipconfig -a |grep en8

en8: flags=1e080863,c0<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,CHECKSUM_OFFLOAD(ACTIVE),LARGESEND,CHAIN>
        inet 10.50.10.212 netmask 0xffffff00 broadcast 10.50.10.255
        inet 10.50.10.214 netmask 0xffffff00 broadcast 10.50.10.255
         tcp_sendspace 131072 tcp_recvspace 65536 rfc1323 0



AAAAA#>entstat -d en8
-------------------------------------------------------------
ETHERNET STATISTICS (en8) :
Device Type: EtherChannel
Hardware Address: 5c:f3:fc:eb:9f:1a
Elapsed Time: 0 days 10 hours 36 minutes 57 seconds

Transmit Statistics:                          Receive Statistics:
--------------------                          -------------------
Packets: 18790445                             Packets: 26821544
Bytes: 9514818302                             Bytes: 15046574183
Interrupts: 0                                 Interrupts: 19620179
Transmit Errors: 0                            Receive Errors: 0
Packets Dropped: 0                            Packets Dropped: 0
                                              Bad Packets: 0
Max Packets on S/W Transmit Queue: 4
S/W Transmit Queue Overflow: 0
Current S/W+H/W Transmit Queue Length: 1

Broadcast Packets: 369                        Broadcast Packets: 105463
Multicast Packets: 252                        Multicast Packets: 4581
No Carrier Sense: 0                           CRC Errors: 0
DMA Underrun: 0                               DMA Overrun: 0
Lost CTS Errors: 0                            Alignment Errors: 0
Max Collision Errors: 0                       No Resource Errors: 0
Late Collision Errors: 0                      Receive Collision Errors: 0
Deferred: 0                                   Packet Too Short Errors: 0
SQE Test: 0                                   Packet Too Long Errors: 0
Timeout Errors: 0                             Packets Discarded by Adapter: 0
Single Collision Count: 0                     Receiver Start Count: 0
Multiple Collision Count: 0
Current HW Transmit Queue Length: 1

General Statistics:
-------------------
No mbuf Errors: 0
Adapter Reset Count: 0
Adapter Data Rate: 2000
Driver Flags: Up Broadcast Running
        Simplex 64BitSupport ChecksumOffload
        LargeSend DataRateSet

=============================================================
=============================================================

Statistics for every adapter in the EtherChannel:
-------------------------------------------------

Number of adapters: 2
Active channel: primary channel
Operating mode: Network interface backup mode

-------------------------------------------------------------

ETHERNET STATISTICS (ent6) :
Device Type: 2-Port 10/100/1000 Base-TX PCI-Express Adapter (14104003)
Hardware Address: 5c:f3:fc:eb:9f:1a

Transmit Statistics:                          Receive Statistics:
--------------------                          -------------------
Packets: 18790469                             Packets: 26766188
Bytes: 9514822434                             Bytes: 15040195702
Interrupts: 0                                 Interrupts: 19565138
Transmit Errors: 0                            Receive Errors: 0
Packets Dropped: 0                            Packets Dropped: 0
                                              Bad Packets: 0
Max Packets on S/W Transmit Queue: 4
S/W Transmit Queue Overflow: 0
Current S/W+H/W Transmit Queue Length: 12

Broadcast Packets: 369                        Broadcast Packets: 52546
Multicast Packets: 252                        Multicast Packets: 2169
No Carrier Sense: 0                           CRC Errors: 0
DMA Underrun: 0                               DMA Overrun: 0
Lost CTS Errors: 0                            Alignment Errors: 0
Max Collision Errors: 0                       No Resource Errors: 0
Late Collision Errors: 0                      Receive Collision Errors: 0
Deferred: 0                                   Packet Too Short Errors: 0
SQE Test: 0                                   Packet Too Long Errors: 0
Timeout Errors: 0                             Packets Discarded by Adapter: 0
Single Collision Count: 0                     Receiver Start Count: 0
Multiple Collision Count: 0
Current HW Transmit Queue Length: 12

General Statistics:
-------------------
No mbuf Errors: 0
Adapter Reset Count: 1
Adapter Data Rate: 2000
Driver Flags: Up Broadcast Running
        Simplex 64BitSupport ChecksumOffload
        LargeSend DataRateSet

2-Port 10/100/1000 Base-TX PCI-Express Adapter (14104003) Specific Statistics:
------------------------------------------------------------------------------
Link Status : Up
Media Speed Selected: Auto negotiation
Media Speed Running: 1000 Mbps Full Duplex
PCI Mode: PCI-Express X4
    Relaxed Ordering: Enabled
    TLP Size: 256
    MRR Size: 4096
Jumbo Frames: Disabled
TCP Segmentation Offload: Enabled
TCP Segmentation Offload Packets Transmitted: 1497088
TCP Segmentation Offload Packet Errors: 0
Transmit and Receive Flow Control Status: Disabled
Transmit and Receive Flow Control Threshold (High): 40960
Transmit and Receive Flow Control Threshold (Low): 20480
Transmit and Receive Storage Allocation (TX/RX): 4/44

-------------------------------------------------------------
Backup adapter - ent0:
======================

ETHERNET STATISTICS (ent0) :
Device Type: 2-Port 10/100/1000 Base-TX PCI-Express Adapter (14104003)
Hardware Address: 5c:f3:fc:eb:9f:1a

Transmit Statistics:                          Receive Statistics:
--------------------                          -------------------
Packets: 0                                    Packets: 55365
Bytes: 0                                      Bytes: 6379797
Interrupts: 0                                 Interrupts: 55049
Transmit Errors: 0                            Receive Errors: 0
Packets Dropped: 0                            Packets Dropped: 0
                                              Bad Packets: 0
Max Packets on S/W Transmit Queue: 0
S/W Transmit Queue Overflow: 0
Current S/W+H/W Transmit Queue Length: 1

Broadcast Packets: 0                          Broadcast Packets: 52917
Multicast Packets: 0                          Multicast Packets: 2412
No Carrier Sense: 0                           CRC Errors: 0
DMA Underrun: 0                               DMA Overrun: 0
Lost CTS Errors: 0                            Alignment Errors: 0
Max Collision Errors: 0                       No Resource Errors: 0
Late Collision Errors: 0                      Receive Collision Errors: 0
Deferred: 0                                   Packet Too Short Errors: 0
SQE Test: 0                                   Packet Too Long Errors: 0
Timeout Errors: 0                             Packets Discarded by Adapter: 0
Single Collision Count: 0                     Receiver Start Count: 0
Multiple Collision Count: 0
Current HW Transmit Queue Length: 1

General Statistics:
-------------------
No mbuf Errors: 0
Adapter Reset Count: 1
Adapter Data Rate: 2000
Driver Flags: Up Broadcast Running
        Simplex 64BitSupport ChecksumOffload
        LargeSend DataRateSet

2-Port 10/100/1000 Base-TX PCI-Express Adapter (14104003) Specific Statistics:
------------------------------------------------------------------------------
Link Status : Up
Media Speed Selected: Auto negotiation
Media Speed Running: 1000 Mbps Full Duplex
PCI Mode: PCI-Express X4
    Relaxed Ordering: Enabled
    TLP Size: 256
    MRR Size: 4096
Jumbo Frames: Disabled
TCP Segmentation Offload: Enabled
TCP Segmentation Offload Packets Transmitted: 0
TCP Segmentation Offload Packet Errors: 0
Transmit and Receive Flow Control Status: Disabled
Transmit and Receive Flow Control Threshold (High): 40960
Transmit and Receive Flow Control Threshold (Low): 20480
Transmit and Receive Storage Allocation (TX/RX): 4/44

# 2  
i found it out.
i don't know why, but i just sync hacmp and the error has disappeared since then.
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