10/10/2015
SAP Basi s Tutor ia ial s/ s/ Tr ai ai ni ni ng ng : Ker ne nel Upg ra rade Inter vi ew ew Questi on ons 0
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Kernel Upgrade Interview Questions
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1)What is your present patch level? A: 710 2)From which patch level did you upgrade it? A: 720 3) Why do you go for kernel patch upgrade? A: we usually do it when there is a problem with the exis ting k erne ernell files & When we go for latest functionality like support packs implementation or add-ons or plug-in implementation. When sap recommends in early watch alerts we go for the kernel patch upgrade. 4)What are the files do you downloaded downloaded from service mar ket ket place? A: 1) sapex sapexe e file (db independent) independent) & sapexedb sapexedb file (db dependent)…… dependent)…… 5)How many ways do you know the current patch level? A: At os lev level el -> login with s idadm and use the c om ommand mand disp+work At sap lev level el -> sys tem -> s tatus. 6)What are the problems do you faced while kernel patch upgrade? PROBLEM 1:we generally forgot about file permissions PROBLEM2: we should stop saposcol & listener otherwise it give problems. 7)What are the prerequisites for kernel patch upgrade? A: we should t ake the back up of old kernel & check for the exis ting patch version to down download load latest version. 8)how do you uncar the downloaded car files? A: By using c ommand SAPCAR -xvf 9)Why do you overwrite the old kernel instead of replace? A: Because lates t kernel consist only updated k ernel files only so to use the remaining files we use to overwrite the kernel. 10)What are the post requisites for kernel patch upgrade and why? A: run the scripts saproot.sh for the permissions in non windows environment & check for the kernel patch version whether it is updated or not? 11)What is default kernel location A: Usually it is located in: /
. it might also be located in /usr/sap/SID/SYS/exe/run
Ex.
Posted by Kapil Patil at 23:43
http://sapbasiskapi lpati l .blog sp spot.in/2013/08/ker nel- upg ra rade- i nter view- q ue uesti ons.html
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7 comments: srikanth 8 October 2013 at 11:55 regarding question no 6 u said "PROBLEM 1:we generally forgot about file permissions" what do mean by file permissions can u please be precise about this thanks in advance Reply Replies MaxMunus 22 October 2014 at 01:31 MaxMunus provides SAP Online training in all modules. We have successfully completed 500+ batches in SAP and trained 1500+ candidates. Most of our candidates are from Asia, Africa, North America, South America, European and Australia. We give online training for all SAP modules including SAP BASIS, SAP EWM, SAP GTS, SAP TM, SAP BPC, SAP CRM , SAP HCM, SAP GRC, SAP Studen t Life Cycle Management, SAP SAP MDM, SAP SRM SAP ABAP, SAP BASIS, SAP FICO, SAP PP, SAP MM , SAP QM Reach us at [email protected] +91‐9035888988 www.maxmunus.com Reply
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Shamshuddin 16 July 2015 at 02:12 @Srikanth, File permissions means in OS side (Any unix flavor) all files will have particular permissions like read/Write/Execute. If we have proper permissions for kernel files then only application can start with out any issues. If you run saproot.sh file then it will set the permissions as required. Example kernel files are: brrestore/brtools/brarchive etc... Reply
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