ILO5 - Proxmox - Debian 12 - Zabbix snmp monitor

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Advisory: Linux - HPE Gen10 System Running Agentless Management Service (iLO 5) for Linux (amsd) Displays Multiple Messages in /var/log/messages With AMSD 2.3.1:[ERR ]: Failed on Receiving OPEN_PDU Response From iLO,"CCB Has Error Try Next BM
Extract - 
RESOLUTION
This does not occur with amsd 2.4.1 (or later).

ProxMox Systems (DL380s).
This very issue seems to have returned since that advisory, with an occasional blip about once per week post ILOv3.04.
From versions ILO5 v 3.10 / AMSD version 3.5 and beyond this has become more frequent requiring a reset of the ILO and a stop/start of SAMD
and AMSD every couple of days, one system, however rarely stays connected more than an hour or two.

We have updated the AMSD to the latest available from "https://downloads.linux.hpe.com/SDR/repo/mcp/debian/pool/non-free/" and both Proxmox and Zabbix are up to date.

Server Log Extract:
Mar 24 19:29:51 servername smad[1584622]: [INFO ]: Got a new socket connection
Mar 24 19:29:51 servername smad[2028652]: [NOTICE]: Init iLO Socket in Regular mode with CCB
Mar 24 19:29:51 servername smad[2028652]: [INFO ]: BMC device is /dev/hpilo/d0ccb0
Mar 24 19:29:51 servername smad[2028652]: [NOTICE]: iLO5: 3.11 (2025/2/25)
Mar 24 19:29:51 servername smad[2028652]: [INFO ]: Reset iLO AgentX session
Mar 24 19:29:51 servername smad[2028652]: [INFO ]: Open iLO AgentX session in Regular Mode
Mar 24 19:29:51 servername smad[2028652]: [NOTICE]: 'AMS Linux AgentX sub-agent' connected to AgentX master in regular mode
Mar 24 19:29:51 servername smad[2028652]: [NOTICE]: Session initialized with ID: 0
Mar 24 19:29:51 servername smad[2028652]: [ERR ]: ccb has error, try next
Mar 24 19:29:51 servername smad[2028652]: [INFO ]: BMC device is /dev/hpilo/d0ccb1
Mar 24 19:29:51 servername smad[2028652]: [NOTICE]: iLO5: 3.11 (2025/2/25)
Mar 24 19:29:51 servername smad[2028652]: [INFO ]: Reset iLO AgentX session
Mar 24 19:29:51 servername smad[2028652]: [INFO ]: Open iLO AgentX session in Regular Mode
Mar 24 19:29:51 servername smad[2028652]: [ERR ]: Timeout for receiving OPEN_PDU after socket connected


Windows System (DL360)
A very similar disconnect on ILO v 3.10/3.11 however the AMS stays up, the SNMP connection fails inexplicably at the same time every day.

To rule out any local connectivity issues, the ILOs have been moved onto a dedicated network switch, no improvement.

Are there any fixes for this and is anyone else experienceing similar issues?

Thanks,

[MV3]

Hello,

We haven't observed the error in the latest version of the AMS.

We kindly request that you log a support case with HPE for a detailed analysis of the issue.

Cheers..