Cisco Cisco Email Security Appliance C160 Mode D'Emploi
Chapter 8 Centralized Management
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Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
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command. You can have two separate clusters running while you upgrade
machines to the same version. You can also upgrade clustered machines on the
GUI Upgrades page.
machines to the same version. You can also upgrade clustered machines on the
GUI Upgrades page.
Note
If you use the upgrade command before disconnecting the individual machine
from the cluster, AsyncOS disconnects all the machines in the cluster. IronPort
Systems recommends that you disconnect each machine from the cluster before
upgrading it. Then, other machines can continue working as a cluster until each is
disconnected and upgraded.
from the cluster, AsyncOS disconnects all the machines in the cluster. IronPort
Systems recommends that you disconnect each machine from the cluster before
upgrading it. Then, other machines can continue working as a cluster until each is
disconnected and upgraded.
To upgrade the machines in a cluster via the CLI:
Step 1
On a machine in the cluster, use the
disconnect
operation of
clusterconfig
. For
example, to disconnect the machine
losangeles.example.com
, type
clusterconfig
disconnect
losangeles
.example.com
. No
commit
is
necessary.
Step 2
Optionally, use the
suspendlistener
command to halt acceptance of new
connections and messages during the upgrade process.
Step 3
Issue the
upgrade
command to upgrade AsyncOS to a newer version.
Note
Disregard any warnings or confirmation prompts about disconnecting all
of the machines in the cluster. Because you have disconnected the
machine, AsyncOS does not disconnect the other machines in the cluster
at this point.
of the machines in the cluster. Because you have disconnected the
machine, AsyncOS does not disconnect the other machines in the cluster
at this point.
Step 4
Select the version of AsyncOS for the machine. The machine will reboot after the
upgrade is complete.
upgrade is complete.
Step 5
Use the
resume
command on the upgraded machine to begin accepting new
messages.
Step 6
Repeat steps 1 - 5 for each machine in the cluster.
Note
After you disconnect a machine from the cluster, you cannot use it to
change the configurations of other machines. Although you can still
modify the cluster configuration, do not change it while machines are
disconnected because settings can become unsynchronized.
change the configurations of other machines. Although you can still
modify the cluster configuration, do not change it while machines are
disconnected because settings can become unsynchronized.