I guess FDR/ABR vs. DSS/HSM is a little like politics and religion, 
everyone has an opinion and they have strong feelings regarding those 
opinions.  Sometimes the opinions are based on facts and sometimes they 
are not.  And sometimes our opinion are based on things that happened a 
long time ago, so maybe a new look is in order.

I prefer FDR/ABR based on my experiences with DSS/HSM in the late 90's.  
It was my first exposure to DSS/HSM.  I didn't have any formal training in 
using DSS/HSM.  I had used DSS by itself previously.  The 
problems/inadequacies that I ran into were probably due more to my lack of 
understanding than anything else.  Since this was a new shop preparing to 
go into production, I felt it was necessary to put in place procedures 
that I knew worked.  I was tired of telling the programming staff that a 
file they needed from such and such a day wasn't backed up or migrated.  
Again, probably my fault more than HSM/DSS.  

In the end, whatever you use, the key is to be able to restore data on 
a "as needed basis"  and to provide for the recovery of your DASD farm in 
the event of disaster in a timely manner.  How much time and media the 
backups take is also a consideration.  And even if it isn't the proper 
thing to base one's choice on, cost is a factor.  

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