Let me say before I even start, that I know I am not an expert, but this is 
what I have learned and, hopefully, it is correct, from my time with working 
with VistA on the two platforms. 

I see no reason at all that you cannot be supported remotely and the 
contracting I am referring to is to help correct what sound like relatively 
small problems with running VistA on GTM/Linux.  If surgery can be done 
remotely, surely computer support of virtually any sort, even hardware 
support, is not impossible give some ingenuity. The GT.M folks, like those 
with Intersystems, already provide support in many areas of the world quite 
successfully.  

Besides, I doubt it is GT.M that is the problem.

Because of the way VistA is programmed, the problems are almost certainly in 
the infrastructure routines which are the ones that allow VistA to work with 
varying operating systems and devices. They are likely VistA issues, not GT.M  
issues.  You need to identify them and if the Hardhats don't give you an 
answer, you will likely only need to hire one expert for a limited time to fix 
them.  VA programmers will likely fix them eventually, but it might not be on 
your timetable.

VistA is heavily used in VA hospitals with Cache and almost every stone has 
been turned for their particular platforms including their particular brands 
of machines with the particular version of the operating system they are 
using.  Now you are turning stones for VistA used with GT.M/Linux that have 
either not been turned or solutions have not been shared for any number of 
reasons.  

The work done by the Hui project and others has been wonderful for the 
community, but VistA is vast and to expect those who have contributed to have 
turned over every stone is unrealistic.  In addition, we are always pushing 
the envelope, using different flavors of Linux, different machines, etc., 
than they have used.

Despite the heavy VA use of VistA, the community has managed to turn a few 
stones the VA has not even in their relatively controlled environment and the 
cooperation in solving the problems identified between the folks at the VA 
and those in the community outside of the VA has been wonderful to see.  As 
the use of VistA increases outside of the VA, more of these sorts of problems 
will be uncovered.

Have you a list of problems that you have identified where Cache/Windows works 
fine and GT.M does not?  Perhaps you should catalogue them for us so we can 
seen what these problems are you are referring to. So far I recall one HL7 
issue that you have identified where Cache/Windows works and GT.M/Linux does 
not .  As I understand it, the GTM/Linux specific infrastructure routines 
that deal with devices are known to need improvement.  I think that dealing 
with devices is a perennial problem with any system and any program. 

A side by side comparison of differences in the behavior of VistA between 
GT.M/Linux and Cache/Windows would almost certainly vastly speed up the 
process of fixing the problems and keep the cost of hiring an expert down.   
Someone with expertise could probably solve them very quickly given that sort 
of presentation.  I found that to be true when getting help from volunteers 
helping to work through the porting of he VA Demos from Cache to 
GT.M.  One I asked about one just the other day turned out to be due to the 
terminal that I was using - not a fault of GT.M. 


On Saturday 03 June 2006 10:52, Joseph Puthooran wrote:
While responding to people like Nancy or Kevin, I do so with a
great degree of reverence and admiration. They have set high
standards for transparency and helpfulness that many of us have
greatly benefited from. You have infinite patience and no newbie
would ever feel uncomfortable interacting with you. My
programmers and I have found your responses so very helpful.
Others in the Hardhats community are not far behind and we are
indeed grateful.

But there are issues that we should not shy away from
discussing. Nancy spoke about the pros and cons in choosing
Cache or GT.M. I would always prefer GT.M as most of my target
clients cannot afford expensive systems. But I struggle to
understands the why there is an almost exclusive preference for
Cache by most vendors there. But what are these pros & cons in
the context of VistA?

The robustness of GT.M is unquestioned, but the issue here is
the completeness with which the Hui did the porting. In the
final analysis, would it prove cheaper to use Cache rather than
the free OpenSource GT.M, if there have been serious problems
with the porting. If the limitations are documented, it may be
easier to better understand the pros & the cons. If it proves to
be a truly comparable solution technically, I am sure that
people will be willing to buy support for GT.M. The only problem
is that while Cache has a dealer in Delhi, GT.M as far as I know
will need to be supported from the US. I am sure that once we do
get some clients using GT.M, Bhaskar may not mind visiting his
old homeland once again. Perhaps he could help build the really
Indian "Indian Health Service" here.

I am in full agreement with Nancy’s that we will need to
“….contract with someone with a great depth of expertise in this
area …”. . But with the ground realities in India and the kind
of prices that are acceptable to the Voluntary hospitals that I
am targeting, such support will have to be heavily be
complemented by our own local team. I am working on building
such a team and when we do get an order, we will certainly
contract with some of those who have so generously helped us.



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