Hi all,
We are receiving huge number of "Receive Errors" on our database server on AIX. Any pointers to troubleshoot would be really appreciated.
oslevel:
AIX 5.3.0.0
ifconfig -a
en6: flags=4e080863,c0<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,PSEG,LARGESEND,CHAIN>
entstat -d en6
-------------------------------------------------------------
ETHERNET STATISTICS (en6) :
Device Type: EtherChannel
Hardware Address: 00:21:5e:35:95:3c
Elapsed Time: 0 days 2 hours 51 minutes 16 seconds
Transmit Statistics: Receive Statistics:
-------------------- -------------------
Packets: 305520704 Packets: 306458688
Bytes: 76710233534 Bytes: 41768019918
Interrupts: 0 Interrupts: 24345283
Transmit Errors: 0 Receive Errors: 36464020
Packets Dropped: 2 Packets Dropped: 0
Bad Packets: 0
Max Packets on S/W Transmit Queue: 68
S/W Transmit Queue Overflow: 0
Current S/W+H/W Transmit Queue Length: 3
Elapsed Time: 0 days 0 hours 0 minutes 0 seconds
Broadcast Packets: 130 Broadcast Packets: 303
Multicast Packets: 0 Multicast Packets: 0
No Carrier Sense: 0 CRC Errors: 0
DMA Underrun: 0 DMA Overrun: 275113
Lost CTS Errors: 0 Alignment Errors: 0
Max Collision Errors: 0 No Resource Errors: 36188907
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: 3
General Statistics:
-------------------
No mbuf Errors: 0
Adapter Reset Count: 2
Adapter Data Rate: 2000
Driver Flags: Up Broadcast Running
Simplex 64BitSupport PrivateSegment
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 (ent2) :
Device Type: 2-Port 10/100/1000 Base-TX PCI-X Adapter (14108902)
Hardware Address: 00:21:5e:35:95:3c
Transmit Statistics: Receive Statistics:
-------------------- -------------------
Packets: 305521031 Packets: 306458851
Bytes: 76710340536 Bytes: 41768059187
Interrupts: 0 Interrupts: 24345014
Transmit Errors: 0 Receive Errors: 36464020
Packets Dropped: 0 Packets Dropped: 0
Bad Packets: 0
Max Packets on S/W Transmit Queue: 66
S/W Transmit Queue Overflow: 0
Current S/W+H/W Transmit Queue Length: 1
Broadcast Packets: 103 Broadcast Packets: 99
Multicast Packets: 0 Multicast Packets: 0
No Carrier Sense: 0 CRC Errors: 0
DMA Underrun: 0 DMA Overrun: 275113
Lost CTS Errors: 0 Alignment Errors: 0
Max Collision Errors: 0 No Resource Errors: 36188907
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 PrivateSegment
LargeSend DataRateSet
2-Port 10/100/1000 Base-TX PCI-X Adapter (14108902) Specific Statistics:
------------------------------------------------------------------------
Link Status: Up
Media Speed Selected: Auto negotiation
Media Speed Running: 1000 Mbps Full Duplex
PCI Mode: PCI-X (100-133)
PCI Bus Width: 64-bit
Latency Timer: 144
Cache Line Size: 128
Jumbo Frames: Disabled
TCP Segmentation Offload: Enabled
TCP Segmentation Offload Packets Transmitted: 1815779
TCP Segmentation Offload Packet Errors: 0
Transmit and Receive Flow Control Status: Disabled
Transmit and Receive Flow Control Threshold (High): 49152
Transmit and Receive Flow Control Threshold (Low): 24576
Transmit and Receive Storage Allocation (TX/RX): 8/56
-------------------------------------------------------------
Backup adapter - ent4:
======================
ETHERNET STATISTICS (ent4) :
Device Type: 2-Port 10/100/1000 Base-TX PCI-X Adapter (14108902)
Hardware Address: 00:21:5e:35:95:3c
Transmit Statistics: Receive Statistics:
-------------------- -------------------
Packets: 125 Packets: 275
Bytes: 11906 Bytes: 20563
Interrupts: 0 Interrupts: 275
Transmit Errors: 0 Receive Errors: 0
Packets Dropped: 2 Packets Dropped: 0
Bad Packets: 0
Max Packets on S/W Transmit Queue: 2
S/W Transmit Queue Overflow: 0
Current S/W+H/W Transmit Queue Length: 0
Broadcast Packets: 27 Broadcast Packets: 204
Multicast Packets: 0 Multicast Packets: 0
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: 0
General Statistics:
-------------------
No mbuf Errors: 0
Adapter Reset Count: 2
Adapter Data Rate: 2000
Driver Flags: Up Broadcast Running
Simplex 64BitSupport PrivateSegment
LargeSend DataRateSet
2-Port 10/100/1000 Base-TX PCI-X Adapter (14108902) Specific Statistics:
------------------------------------------------------------------------
Link Status: Up
Media Speed Selected: Auto negotiation
Media Speed Running: 1000 Mbps Full Duplex
PCI Mode: PCI-X (100-133)
PCI Bus Width: 64-bit
Latency Timer: 144
Cache Line Size: 128
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): 49152
Transmit and Receive Flow Control Threshold (Low): 24576
Transmit and Receive Storage Allocation (TX/RX): 8/56