How to upgrade kernel in High Avalibility in SAP ECC6.0 EHP5

[Former Member]

Dear All

I Installed SAP ECC 6.0 EHP5 In High Availability In two nodes can any body please tell me on what directories I need to upgrade the Kernel, My Central Instance is in Local  Drive L: of Node A and Dialog Instance in Local L Dive of Node B  ASCS in on Shared Drive S:

I already upgraded the kernel on shared Drive S: where ASCS is installed after upgrading kernel from patch level 46 to 300 my instance are starting perfectly

the patch level of disp+work and sapstartsrv.exe at S:\usr\sap\PRD\SYS\exe\uc\NTAMD64 directory is 300

but when i am checking from sap gui through SM 51 the patch level of kernel is 46 is not showing latest kernel patch.

Please tell me what more to do.

Thanks

Regards

Nirvikar Saxena

[Former Member]

Hi,

Perform the following steps(valid for MSCS windows 2003 Netweaver 7.0 onwards)

Activities to be done at OS level

1. Stop all instances and take all the resource offline(including windows cluster service) in cluster administrator.

2. Unpack the archives to a working directory and take backup of usr\sap\<SAPSID>\SYS\exe\uc(nuc)\<Platform>:and replace all old files with the new one.

3. On all MSCS nodes, replace the SAP cluster dlls with those in NTCLUST.SAR

a) Copy ntcluster\saprc.dll %windir%\system32

b) Copy ntcluster\saprcex.dll %windir%\system32

4. On all MSCS nodes, replace the following dlls and exe in the

windir%\SapCluster folder with those in folder \usr\sap\<SAPSID>\SYS\exe\uc(nuc)\<Platform>:

sapevents.dll

sapntchk.exe

sapstartsrv.exe

sapxpg.exe

5. Bring cluster resources online and start the instances.

ALWAYS TAKE A BACKUP of the EXE before doing the kernel Upgrade.

Thanks and Regards,

Vimal

[Former Member]

Sir

My OS is Windows Server 2008 R2 Failover Cluster Manager

[Former Member]

Hi,

Not a problem. You can follow the above steps for kernel upgrade in your cluster environment...

Thanks and Regards,

Vimal

[Former Member]

Sir

where can i get NTCLUST.SAR

Thanks

Regards

Nirvikar Saxena

[Former Member]

Hi,

  During download of the two kernel files , one is SAPEXE file and other is SAPEXEDB.SAR file,

under database independent, you can also see NTCLUST******.SAR file.

Attached screenshot for your reference.

Thanks and Regards,

Vimal

[Former Member]

Dear Sir

I did all the steps as u described and start the instance but the new kernel patch is not showing.

I had one confusion also in your No 4 step u mention windir%\SapCluster folder all the files u mention i found in the directory C:\Windows\System32 and there is no SAPCluster folder there is one folder C:\Windows\Cluster but there is no files u mention.

[Former Member]

Hi,

   Is the system up and running or not???Thanks and Regards,

Kindly let us know the steps you did for kernel upgrade.

If the system is not up , please share the error you are getting.

Vimal

[Former Member]

Dear Sir

The System is up and running but the kernel patch level is not changed it is showing old patch level.

I did the steps

1. Stop all instances and take all the resource offline(including windows cluster service) in cluster administrator.

2. Unpack the archives to a working directory and take backup of I did on the Shared drive S:\ usr\sap\<SAPSID>\SYS\exe\uc(nuc)\<Platform>:and replace all old files with the new one.

I download the NTCLUST.SAR from the market place from where i downloaded the kernel same place

3. On all MSCS nodes, replace the SAP cluster dlls with those in NTCLUST.SAR

a) Copy ntcluster\saprc.dll %windir%\system32

b) Copy ntcluster\saprcex.dll %windir%\system32

4. On all MSCS nodes, replace the following dlls and exe in the

I replace the files in C:\Windows\System32

windir%\SapCluster folder with those in folder \usr\sap\<SAPSID>\SYS\exe\uc(nuc)\<Platform>:

sapevents.dll

sapntchk.exe

sapstartsrv.exe

sapxpg.exe

5. Bring cluster resources online and start the instances.

Thanks

Regards

Nirvikar Saxena

[Former Member]

Dear Sir

In the cluster 1 Service is failed but i am able to login attaching screenshot