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18. MultiUser Techgroup – Veranstaltung NetScaler 10.5 / 11.0
Vorstellung und Bewertung neuer Technologien - Infrastruktur - Wolfgang Ruttscheidt 0172/
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Kleines „Update“ 18. MUTG
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Once downloaded, upload the new firmware file in /var/install/ on all the appliances using WinSCP.
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DISABLE HA SYNC Connect to the secondary appliance via SSH.
Disable HA sync on the secondary node: set node -hasync disable 18. MUTG
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Backup Connect to the primary NetScaler, save the configuration:
save ns config 18. MUTG
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Step 1: secondary NetScaler node
shelltar cvzf /var/tmp/<span class="skimlinks-unlinked">backup.tgz</span> /flash/nsconfig 18. MUTG
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show version 18. MUTG
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Switch to shell mode and navigate to the /var/install/ folder on the appliance
cd /var/install/ tar -zxvf yourfile 18. MUTG
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This will uncompress the firmware data in the same folder.
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To install the firmware, type: 1./installns
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nach der Installation Make sure that the HA sync is still disabled:
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show ha nodes Force failover
Now that the secondary appliance is updated, we need to move the primary role from the first node to the secondary node. To do that, type the command below: 18. MUTG
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1force ha failoverStep 2: primary NetScaler node
Repeat Step 1 on the first NetScaler. Force failover again Now that the first appliance is updated, we need to revert the HA primary role to this appliance. To do that, type the command below: 18. MUTG
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1force ha failoverEnable HA Sync
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set node -hasync enabled
Enable HA Sync 1 set node -hasync enabled 18. MUTG
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You can also review the full configuration, type the command below on the primary node:
1show ns runningconfig That’s all for the upgrade. In the next post, we will discuss how to save, backup and restore NetScaler configuration. 18. MUTG
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