Symptom
Build: C9800-CL-universalk9.16.12.02.SPA.bin
After standby reload with scale 3k APs and 30K clients, I see the HA state stuck in the following state.
Log @ /ws/aslingam-bgl/logs/stby_reload/ WLC_trace_archive-20191120-002124.tar
WLC#sh redundancy
Redundant System Information :
------------------------------
Available system uptime = 1 day, 2 hours, 29 minutes
Switchovers system experienced = 1
Standby failures = 1
Last switchover reason = user forced
Hardware Mode = Duplex
Configured Redundancy Mode = sso
Operating Redundancy Mode = sso
Maintenance Mode = Disabled
Communications = Up
Current Processor Information :
-------------------------------
Active Location = slot 2
Current Software state = ACTIVE
Uptime in current state = 2 hours, 44 minutes
Image Version = Cisco IOS Software [Gibraltar], C9800-CL Software (C9800-CL-K9_IOSXE), Version 16.12.02, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2019 by Cisco Systems, Inc.
Compiled Sat 16-Nov-19 14:10 by mcpre
BOOT = bootflash:C9800-CL-universalk9.16.12.02.SPA.bin,12;bootflash:C9800-CL-universalk9.BLD_V1612_2_THROTTLE_LATEST_20191110_192127.SSA.bin,12;
CONFIG_FILE =
Configuration register = 0x102
Peer Processor Information :
----------------------------
Standby Location = slot 1
Current Software state = in progress to standby cold-bulk
Uptime in current state = 41 minutes
After ~45mins, standby reloaded with reason:
Press RETURN to get started.
Chassis 1 reloading, reason - Notification timer Expired for RF Client: BINOS_BULKSYNC_CLIENT(33010)
Nov 20 00:42:17.857: %PMAN-5-EXITACTION: F0/0: pvp: Process manager is exiting:
