Problems With The Vem Upgrade - Cisco Nexus 1000V Troubleshooting Manual

Chapter 5 Upgrades

Problems with the VEM Upgrade

The following are symptoms, possible causes, and solutions for problems with VEM software upgrade.
Table 5-2 Problems with the VEM Upgrade
Symptom
After starting a VEM upgrade
from the VSM console, the
VMware Upgrade Manager
(VUM) skips upgrading the
hosts with the new VEM.
VEM upgrade fails.
After upgrading, the host is
not added to the VSM.
A message on the ESX/ESXi
command line shell and
VMkernel logs notifies you
that the loading and
unloading of modules failed.
OL-31593-01
Possible Causes
One or more of the following
are enabled on the host
cluster.
VMware high
•
availability (HA)
VMware fault tolerance
•
(FT)
Vmware Distributed
•
Power Management
(DPM)
An incorrect VUM version is
in use.
An incorrect VEM software
version is installed on the
host.
The modules were not placed
in maintenance mode (all
VMs VMotioned over) before
starting the upgrade.
The host does not have
enough memory to load new
modules.
A host requires a minimum of
2 GB of physical RAM. If it
also hosts a Cisco Nexus
1000V VSM VM, it needs a
minimum of 4 GB of physical
RAM. If it also hosts the
vCenter Server VM,
additional memory might be
needed.
Solution
Verify the upgrade failure.
1.
show vmware vem upgrade status
From vCenter Server, disable HA, FT, and DPM for the
2.
cluster.
Restart the VEM software upgrade using the instructions
3.
in the Cisco Nexus 1000V Installation and Upgrade
Guide.
Identify the VUM version required for the upgrade using
1.
the Cisco Nexus 1000V Compatibility Information.
Upgrade to the correct VUM version.
2.
Restart the software upgrade using the instructions in
3.
the Cisco Nexus 1000V Installation and Upgrade Guide.
Identify the VEM software version required for the
1.
upgrade using the Cisco Nexus 1000V Compatibility
Information.
Proceed with the upgrade using the correct VEM
2.
software version and the instructions in the Cisco Nexus
1000V Installation and Upgrade Guide.
Place the host in maintenance mode.
1.
Proceed with the upgrade using the instructions in the
2.
Cisco Nexus 1000V Installation and Upgrade Guide.
Verify that the host has sufficient memory to load the
1.
new modules.
For more information about allocating RAM and CPU,
see the Cisco Nexus 1000V Installation and Upgrade
Guide.
Proceed with the upgrade using the instructions in the
2.
Cisco Nexus 1000V Installation and Upgrade Guide.
Cisco Nexus 1000V Troubleshooting Guide, Release 5.2(1)SV3(1.1)
Problems with the VEM Upgrade
5-5