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Kernel Patch Advice

We have typical DV1-> QS1-> PR1 landscape (ECC6) installed on window 2003 server with SQL Server as backend.

We also have high availibility system HA1 which is coupled with PRD with SQL transaction log.

We patched kernel of DV1 server from level 159 to 201. Also applied plugin ST-A/PI and ST-PI, and patched SPAM and SAINT .

Moving forward we are planning to first apply this kernel patch to HA1 server before patching PR1.

For that we will first bring HA1 live, apply the kernel patch and then again put it in sync with PR1 .

Following are my concerns :

1> Do I need to apply plugins ST-A/PI and ST-PI, and patch SPAM and SAINT on HA1 server or will it be automatically transferred from PR1 as part of SQL Transaction Logs.

2>After patching kernel on HA1 will there be any problem making database in sync with PR1 (as PR1 will still be at level 159).



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