The EMC CDL is running FalconStor software through some kind of license 
agreement between EMC and FalconStor. I really don't know all the specifics of 
this agreement.  FlaconStor has proven to be one of the best if not the best 
VTL software.  Both IBM and STK resold their disk with FalconStor software but 
EMC's inclusion of this Software with their hardware made it an attactive offer 
to its customers.
   
  IBM one up'd EMC by purchasing the FlaconStor source code and that is what is 
used on the TS7510. You will notice that past the first splash screen on either 
the CDL or TS7510 all the rest of the screens look the same.  They are infact 
the same configuration screens you will see if you purchase the FalconStor 
software directly from FalconStore I believe. So if you know how to configure 
an EMC CDL you will be able to configure an IBM TS7510 without any problems.  
The fact that IBM now owns the source code we don't have to rely on a 
partnership between FalconStor and IBM to be maintaned in order for the product 
to be enhanced.
   
  I also believe the IBM SATA disk is beter than EMC PATA disk so what you get 
with the IBM solution is the same software features from a VTL perspective but 
better disk.  I know I'm asking for an argument from someone but the main point 
is that you don't need to worry about how long IBM has had the TS7510 in the 
market because the underlying software that is running had been around for 
quite some time.
   
  
"Dearman, Richard" <rdearm1 AT UIC DOT EDU> wrote:
  Anyone out there have any good or bad experiences with VTL solutions. I
was thinking about budgeting for 1 or 2 in order to phase out the
current san file system I am using for TSM disk storage. There are
several vendors out there with VTL solutions most notably IBM and EMC.
My first choice would be to choose IBM but it is a new product and EMC
has been in the market longer.



Any comment or recommendation appreciated.



Thanks


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