PA-500 Ram Upgrade with no downtime

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L1 Bithead

PA-500 Ram Upgrade with no downtime

Hi All,

I need to perform a ram upgrade on a Cluster of PA-500's.  Is it possible to perform the upgrade in such a way that I will not incur an outage? 

Thanks!

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L7 Applicator

I don't believe that ram is a monitored parameter.  But it really would not matter.

I have upgraded secondary nodes and failed over to them for OS upgrades and the like.  They will still allow the traffic to work on the node while the other is updated and rebooted.

Steve Puluka BSEET - IP Architect - DQE Communications (Metro Ethernet/ISP)
ACE PanOS 6; ACE PanOS 7; ASE 3.0; PSE 7.0 Foundations & Associate in Platform; Cyber Security; Data Center

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L2 Linker

Hello,

Please refer to this document to upgrade PA 500 RAM.

PA-500 Management Memory Upgrade Procedure

Per document, you will need to power down the device to install new RAM. If you are in HA Cluster, then you can do a successful failover and then perform memory upgrade.

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L7 Applicator

Hello Sir,

RAM is not hot swapable on PAN firewall. As Hparikh said, we have to reboot the device after the upgrade.

Thanks

Highlighted
L7 Applicator

You should be able to power down the inactive cluster member and do the upgrade of RAM.

Then bring this back up and once it is a member of the cluster again failover to this member.

Then power down and upgrade the primary member and power this backup.

Steve Puluka BSEET - IP Architect - DQE Communications (Metro Ethernet/ISP)
ACE PanOS 6; ACE PanOS 7; ASE 3.0; PSE 7.0 Foundations & Associate in Platform; Cyber Security; Data Center
Highlighted
L1 Bithead

Thanks for the info guys.  Will the Cluster not have an issue when i reboot one member with more ram then the other member.  My concern is that the cluster will fail due to hardware mismatch.

Highlighted
L7 Applicator

I don't believe that ram is a monitored parameter.  But it really would not matter.

I have upgraded secondary nodes and failed over to them for OS upgrades and the like.  They will still allow the traffic to work on the node while the other is updated and rebooted.

Steve Puluka BSEET - IP Architect - DQE Communications (Metro Ethernet/ISP)
ACE PanOS 6; ACE PanOS 7; ASE 3.0; PSE 7.0 Foundations & Associate in Platform; Cyber Security; Data Center

View solution in original post

Highlighted
L7 Applicator

Yes, it will not cause any problem with the other cluster member, because, as per my understanding RAM is not a monitored object in HA.

Thanks

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