3Com VCX V7000 Maintenance Manual page 304

304 A D: D
PPENDIX OWNGRADING
VCX S S
ERVER OFTWARE
The examples in this procedure use the assumption that upgrading from
version 7.0 to 7.1 changed the operating system version from 4.2.1 to
5.1.3.
1 Log in as root.
2 To determine which operating system versions are available, enter this
command:
vcx-os-query
The output from this command appears:
OS Version
A 4.2.1 /dev/hda2
B 5.1.3 /dev/hda3
The operating system versions that you see may vary from the example
shown.
The order of the A and B versions may be reversed depending on the
upgrade history of the system.
When you are downgrading, use the earlier of the two operating system
versions in this command:
vcx-os-switch 4.2.1
To confirm that you have selected the operating system version that you
want, repeat the
"selected" appears in the Status column for the version that you want.
Example:
OS Version
A 4.2.1 /dev/hda2
B 5.1.3 /dev/hda3
Reboot the Server
Reboot the system using this command:
reboot
When the system reboots, it starts VCX 7.1.x services.
Partition
/A
/B
command. Verify that the word
vcx-os-query
Partition
/A
/B
Label
active
Label
selected
active
Status
Status