EHP5 - Uninstall all dialog instance before the downtime begins

Dear Friends
I am working on EHP5 Upgrade on PRD Server HA Environment, the Node B is also the Application Server.
What does means that "Before the downtime [page 82] begins, you uninstall all dialog instances, stop SAP Management Console (MMC) and Software Deployment Manager (SDM), stop jcmon and other standalone monitoring tools
Do i need to uninstall application server from the Node B ? or need to update the SAP Kernel and IGS manually ?
Regards
Anwer Waseem

Hi,
You need not to uninstall application server. But if your kernel directory of application server is different then please make sure that you update kernel and IGS as well.
Thanks
Sunny

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We are upgrading from NW04 (WAS 6.40) to NW04s (WAS 7.00) ABAP SR2 only on Windows 2003 with Oracle 9i. There is no JAVA stack in our environment and we don't need it.
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Hello All,
We intend to kick off the EHP4 PRD Downtime phase by Friday 10 PM.
Can you please provide me expert thoughts on the following:
1) When should we backup the PRD Database? (a) Anytime After the end of pre-processing phase when production operations are going on (b) after stopping of Application Servers and immediately before commencing the Downtime Phase
2) Is the online database backup fine or do we need a cold backup?
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Hi,
> 1) When should we backup the PRD Database? (a) Anytime After the end of pre-processing phase when production >operations are going on (b) after stopping of Application Servers and immediately before commencing the Downtime Phase
>
Once you will finish Pre-processing phase then it will ask you take backup of database, backup of upgrade directory and stop all productive operation. And then start downtime phase. At that phase you should take the backup. And this backup should be taken after stopping of application servers.
> 2) Is the online database backup fine or do we need a cold backup?
>
>
I would suggest you to take offline backup only because if you will take online backup then users will be there in the system which makes the backup inconsistent since productive operations will be on that time. Main idea to take backup is because if something goes wrong in downtime phase then you can restore the system at same stage before starting downtime. And if you will take online backup then users will be working that time so I think it defeats the purpose itself.
> 3) What steps specific to Dialog Instances are necassary like any profile parameter changes, explicit kernel upgrade on >Dialog Instances before and after the downtime phase?
>
For dialog instance, you can check SAP note 1245473 Add. Info. - SAP Enhancement Package Installer 7.00. Extract below from this note:
Updating Dialog Instances
After the enhancement package installation on the central instance, you
need to update the dialog instances accordingly. To do this, you install
the new dialog instances on top of the old dialog instances using the
tool SAPinst.
You can now also install more dialog instances, if necessary.
3. Save your dialog instance profiles, if you want to reuse them.
4. In case of a dual-stack system or a Java system, uninstall the old
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Thanks
Sunny

EHP5 - Uninstall all dialog instance before the downtime begins

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