Cisco Cisco Email Security Appliance C190 Guía Del Usuario
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Cisco AsyncOS 9.5 for Email User Guide
Chapter 33 System Administration
Upgrading AsyncOS
Step 2
Click Upgrade Options.
The system analyzes historical data (up to three months) in the Status Logs to determine the health of
the appliance and provides recommendation on whether the appliance can be upgraded.
the appliance and provides recommendation on whether the appliance can be upgraded.
Note
For the system to perform this analysis, the Status Logs must contain a minimum of one month
of logging data.
of logging data.
Step 3
Depending on the result of the analysis, do one of the following:
•
If the analysis detected that the system has experienced one of the following problems in the last
few months, follow the displayed recommendation.
few months, follow the displayed recommendation.
–
Resource conservation mode
–
Delay in mail processing
–
High CPU usage
–
High memory usage
–
High memory page swapping
•
If the system is unable to perform the analysis (due to insufficient data in the Status Logs), no
recommendations are provided. In this scenario, consider upgrading the appliance only if the
appliance has not experienced any problems recently.
recommendations are provided. In this scenario, consider upgrading the appliance only if the
appliance has not experienced any problems recently.
•
Step 4
Choose an option:
Step 5
Unless you are installing a previously-downloaded installer, select an AsyncOS version from the list of
available upgrades.
available upgrades.
Step 6
If you are installing:
a.
Choose whether or not to save the current configuration to the
configuration
directory on the
appliance.
b.
Choose whether or not to mask the passwords in the configuration file.
To Do
This
Download and install the
upgrade in a single operation
upgrade in a single operation
Click Download and Install.
If you have already downloaded an installer, you will be prompted to
overwrite the existing download.
overwrite the existing download.
Download an upgrade installer Click Download only.
If you have already downloaded an installer, you will be prompted to
overwrite the existing download.
overwrite the existing download.
The installer downloads in the background without interrupting
service.
service.
Install a downloaded upgrade
installer
installer
Click Install.
This option appears only if an installer has been downloaded.
The AsyncOS version to be installed is noted below the Install
option.
option.