In this procedure, you upgrade one Chassis at a time. The other Chassis continues to handle traffic.
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Step
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Action
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Command
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1.1
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Make sure that all SGMs and SSMs are up to date and that system is configured correctly.
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# asg diag verify
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1.2
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Copy the R76SP.20 snapshot to /var/log/ on SMO
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1.3
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copy minor_upgrade script to /var/log/
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1.4
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Set execution permissions.
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# chmod +x /var/log/minor_upgrade
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1.5
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Run the minor_upgrade script.
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# /var/log/minor_upgrade pre r76sp_20_t_60.tar
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1.6
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Make sure that the snapshot is correctly installed on al SGMs.
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> show snapshots
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2.1
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Set Chassis B to DOWN
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> asg chassis_admin -c <chassis_B_id> down
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2.2
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Make sure that Chassis B is in the Admin Down state.
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> asg monitor -all
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2.3
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Revert Chassis B to the snapshot
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# g_snapshot –b <chassis_B> revert r76sp_20_t_60
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2.4
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Make sure that all SGMs complete the revert operation successfully and can enforce policies.
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# asg monitor -all
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3
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3.1
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Connect a console to one of the SGMs on Chassis B
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3.2
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From the console, upgrade the firmware on all Chassis B SSMs.
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# asg_ssm_upgrade ssm all
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4.1
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Set Chassis B to Admin UP.
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> asg chassis_admin -c <chassis_B_id> up
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4.2
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Run diagnostics for verification
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# /var/log/minor_upgrade during
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Important - You must correct all errors shown by the diagnostics before you continue to the next step.
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5.1
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Set Chassis A to Admin DOWN.
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> asg chassis_admin -c <chassis_A_id> down
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5.2
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Make sure that all SGMs are UP and that traffic flows normally on Chassis B.
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> asg monitor -vs all
> asg perf -vs all
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Important - You must make sure that the newly upgraded Chassis B works correctly before you upgrade Chassis A.
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6.1
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Do steps 2.2 through 4.2 to upgrade Chassis A.
Replace 'Chassis B' with 'Chassis A' in all applicable actions and commands.
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7.1
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For R76SP to R76SP.20 Upgrades only:
Run the Post Upgrade script.
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# /var/log/minor_upgrade post R76SP
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7.2
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Make sure all SGMs and SSMs are up to date and that the system is configured correctly.
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# asg diag verify
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