CommServe HA Windows in place upgrade

Question

Hello Team,

We have Windows 2016 servers in 3DC(active-standby-standby) and CommServe LiveSync for High Availability(link below). We want to upgrade these servers to Windows 2022 with Windows in-place upgrade. As far as I know, Commvault software supports Windows in-place upgrade, but does it support it in HA structure? I couldn't find any information about this in the documentation.

If it supports it, would it make sense to upgrade standby first, then do production failover, and then do the other one?
Is production failover supported on different Windows versions, does it make sense to do it?

Thanks in advance!

https://documentation.commvault.com/2024e/expert/commserve_livesync_for_high_availability_disaster_recovery.html

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Hi @0ber0n ,

I have never done it, so I cannot talk from personal experience. But I cannot see why it won't work, for CS LiveSync the main factors are FR and SQL Server version. Windows version should be on a second place.

Your plan sounds sensible, update the OS on one of the standby nodes first, then failover to it so it can continue operations whilst then upgrading the other 2 nodes.

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Javier · Answer

Hi ​@0ber0n,I have never done it, so I cannot talk from personal experience. But I cannot see why it won't work, for CS LiveSync the main factors are FR and SQL Server version. Windows version should be on a second place.Your plan sounds sensible, update the OS on one of the standby nodes first, then failover to it so it can continue operations whilst then upgrading the other 2 nodes.

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