Parametrization of MFS

I want to use an Ab Initio parameter to control whether I am in serial or MFS mode. Basically, I will have an $AI_MFS_PARTS variable. If it is set to 1, then we are running serial. If it is set to 4, then we are running 4-way MFS. Will the data need to be located in physically different locations using different control files?

Questions by robmuza   answers by robmuza

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Its always better to use multiple file system instead of adhoc multifiles.So,physical allocation is a good idea for separation of mfs and serial.

Say,i have a physical allocation to path1 for mfs and have the

m_mkfs //host/abhi/mfs4

//host/delphi/a/mfs4-0

//host/delphi/b/mfs4-1

//host/delphi/c/mfs4-2
//host/delphi/d/mfs4-2

There are four directories been summed up and addressed in a control file in //host/abhi/mfs4 assigned as parameter $AI_MFS.

And i had physically assigned serial as  //host/abhi/serial assigned as parameter $AI_SERIAL.

Now we can add the logic for 1 - $AI_SERIAL and 4 - $AI_MFS for your question. 

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