A fix is available
APAR status
Closed as program error.
Error description
802.3ad link aggregation with a backup adapter defined where the switch port connected to the backup adapter is not configured as 802.3ad mode experiences etherchannel total failure if the below condition is met; 1) all main adapters get link down, 2) backup adapter becomes the active channel, 3) then later one of main adapters's link becomes up but LACP negotiation on this port is not completed
Local fix
Configure switch port of backup adapter as 802.3ad mode
Problem summary
In IEEE802.3ad mode, force failover from backup to primary channel may not work and hence backup will remain active until etherchannel is rebuild(rmdev/mkdev). This behavior will lead to total etherchannel failure when backup goes down while primary link is up.
Problem conclusion
Etherchannel driver code is fixed to allow force failover from backup to primary.
Temporary fix
Comments
6100-08 - use AIX APAR IV70151 6100-09 - use AIX APAR IV64034 7100-02 - use AIX APAR IV70271 7100-03 - use AIX APAR IV67318
APAR Information
APAR number
IV67318
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-11-27
Closed date
2015-02-21
Last modified date
2015-09-30
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
AIX V7.1
Fixed component ID
5765H4000
Applicable component levels
R710 PSY U865692
UP15/05/19 I 1000
PTF to Fileset Mapping
U865692 devices.common.IBM.ethernet.rte 7.1.3.45
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Document Information
Modified date:
30 September 2015