What are the correct steps upgrading a HA cluster (M1 is active, M2 is passive) using Multi-Version Cluster(MVC)Upgrade?
A.
1) In SmartConsole, change the version of the cluster object 2) Upgrade the passive node M2 to R81.20 3) Enable the MVC mechanism on the upgraded R81.20 Cluster Member M2 in CLISH: set cluster member mvc on 4) Install the Access Control Policy and make sure that the installation will not stop if installation on one cluster member fails 5) After examine the cluster states upgrade node M1 to R81.20 6) On each Cluster Member, disable the MVC mechanism and Install the Access Control Policy SmartConsole, change the version of the cluster object,
B.
1) Enable the MVC mechanism on both cluster members #cphaprob mvc on 2) Upgrade the passive node M2 to R81.20 3) In SmartConsole, change the version of the cluster object 4) Install the Access Control Policy 5) After examine the cluster states upgrade node M1 to R81.20 6) On each Cluster Member, disable the MVC mechanism and Install the Access Control Policy
C.
1) Enable the MVC mechanism on both cluster members in CLISH: set cluster member mvc on 2) Upgrade the passive node M2 to R81.20 3) In SmartConsole, change the version of the cluster object 4) Install the Access Control Policy and make sure that the installation will not stop if installation on one cluster member fails 5) After examine the cluster states upgrade node M1 to R81.20 6) On each Cluster Member, disable the MVC mechanism
D.
1) Upgrade the passive node M2 to R81.20 2) Enable the MVC mechanism on the upgraded R81.20 Cluster Member M2 #cphaconf mvc on 3) In SmartConsole, change the version of the cluster object 4) Install the Access Control Policy 5) After examine the cluster states upgrade node M1 to R81.20 6) On each Cluster Member, disable the MVC mechanism and Install the Access Control Policy upgrade the passive node M2 to R81.20
Looking at this again, C is missing a second policy push for M1.
So this is not totally correct either.
Out of the two A would seem to have all the steps required (with the exception setting the cluster object version in step 6 which is not required as this was set in Step1).
I would have sad A, however step 6 makes no sense ie. change the "version of the cluster object". This was done in step1.
So I believe C is the correct answer here. Please feel free to correct me with the explanation as to why you would need to change the version to R81.20 'twice'.
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