OPERATIONAL DEFECT DATABASE
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Document VersionRelease DateDetails401/28/2021Updated the Resolution with firmware version 2.1.2 for HPE Virtual Connect SE 100Gb F32 Module for Synergy that prevents this issue.312/02/2020Updated the Title and Description for issue conditions.211/05/2020Updated the Resolution to clarify workaround instructions.110/15/2020Original Document Release.Network connectivity is affected for Synergy compute modules connected to the HPE Virtual Connect SE 100Gb F32 Module for Synergy via the Interconnect Link Modules (ILM) in a two or three Logical Enclosure (LE) when the following conditions are met:A new compute module containing a HPE Synergy 4820C 10/20/25Gb Converged Network Adapter (CNA) is inserted into an HPE Synergy 12000 Frame that is part of the two or three "Frame" LE.The Logical Interconnect (LI) associated with this LE is set for 50 Gbps downlink port speed.The firmware on the Virtual Connect modules has been updated using the HPE OneView Orchestrated activation method, and the interconnect modules have not been rebooted, reset, or power-cycled since the firmware update.While the Virtual Connect (VC) module will continue to receive traffic from the compute module's network adapter, it willnotbe able to transmit any traffic back to that CNA adapter. All the packets transmitted on the interconnect module's control plane (including stacking link heartbeat transmission) will be accumulated in the interconnect module, and eventually, this will cause connectivity interruption for the other compute modules in the same LE. In addition, this may cause a VC multi-active scenario that will trigger a OneView multi-active recovery procedure, and possible cause an outage in some circumstances.When the issue occurs, the S-Channel of downlink port will show an "Unlinked" state in the OneView User Interface:The severity of the issue is affected by the placement of the newly inserted compute module relative to the location of the VC Interconnect Modules (ICM) and is triggered by NIC's physical link establishment and flex-operation with the VC ICM ports extended via Interconnect Link Modules (ILM). VC ICM will not be able to transmit any traffic back to the newly inserted server. All the packets transmitted on the control plane of the VC ICM will be accumulated in the interconnect module. Details of the scope's impact are described below:Server LocationImpact of ScopeLocal or connected via ILM to VC ICM in 2 or 3 frame LEImpact from scope depends on whether the compute module is directly connected to a Virtual Connect (VC) Interconnect Modules (ICM) or connected via Interconnect Link Modules (ILM) to a VC ICM. Inserting a compute module that is connected via a ILM causes this error on the VC module it is connected to. All the ports of the ICM will eventually fail to transmit frames because the failed port will not drain the incoming packets, and will continue to accumulate memory cells inside the switch.Single frame LEThe issue doesnotaffect single frame logical enclosures as all of the ports are local to the VC ICMs.Four or five frame LEThis issue doesnotaffect four or five frame LEs since those must be configured for 25 Gbps downlink port speed.
Any versions of HPE Virtual Connect SE 100Gb F32 Module for Synergy with the conditions described above.
This issue has been resolved in HPE Virtual Connect SE 100Gb F32 Module for Synergy firmware version 2.1.2 (or later). This firmware version is included in the HPE Synergy Custom SPP 2021.01.01 (or later), and can be found in theHPE Synergy Software Releases page.As a workaround to prevent connection loss, it is necessary to power reset both of the Virtual Connect Interconnect Modules (ICM) immediately after the ICM firmware upgrade AND before inserting the new server. The module reset is required after a firmware upgrade before inserting the first new server, and not for each subsequent server inserts.After the connections are lost, contact HPE Customer Support and reference document a00106815en_us before performing the power reset.Click the following URL to locate the HPE Customer Support phone number in your country:TECHNICAL SUPPORT PHONE NUMBERSRECEIVE PROACTIVE UPDATES: Receive support alerts (such as Customer Advisories), as well as updates on drivers, software, firmware, and customer replaceable components, proactively in your e-mail through HPE Subscriber's Choice. Sign up for Subscriber's Choice at the following URL:Proactive Updates Subscription Form.NAVIGATION TIP:For hints on navigating HPE.com to locate the latest drivers, patches and other support software downloads to ProLiant servers and options, refer to theNavigation Tips document.SEARCH TIP:For hints on locating similar documents on HPE.com, refer to theSearch Tips document.
Operating Systems Affected:Not Applicable
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