Ron and Jenny Hawkins wrote:
Yes, I chose the oldest unit that I recall you are using (I checked your
post of Jan1 last year and you did say HDS7700) to dress up the argument.
The Maintenance on 10TB of DASD more than two or three years old would still
be a damn site more expensive than 10TB of SATA disk.
Of course if your not paying for maintenance that's a different matter.
Otherwise I wouldn't take second hand units. BTW: It is possible to get
support from broker, much cheaper.
Regarding the licenses: *Some* of them are optional, but if you don't
have the licenses then you don't have all the features you described.
BTW: some disk vendors "tie" the license to the box, so it is possible
and legal to buy the box with the license for PPRC. HDS don't do it.
Last but not least: "Minus n" generation can be price effective, even
with the licenses.
The software is licensed and runs on the USP or NSC, not the SATA storage.
No-one is asking IBM or Innovation for a discount when you use their
utilities to copy from disk to tape, so why do you want it for SATA.
A 10TB licence for Shadowimage allows you to copy to and from any internal
and external drives as long as the sessions don't exceed 10TB. What you're
asking is to have three different prices for Shadowimage:
1) Internal <==> internal
2) Internal <==> SATA
3) SATA <==> SATA
What about if you are using a 7700E for external storage - should there be
another price structure? Anyway, I'll sit on this until DSS and FDR have a
cheap "Disk to Tape" licence.
I'm definitely not asking for any changes in licensing models, neither
expect anything from HDS. The only thing I did is economical analysis of
the solution and comparison to other solutions of the same problem/need.
The other solutions are worse, but they fulfill the basic needs at lower
price.
Mercedes is good car, but Hyundai is sometimes enough for simple
transportation.
Regards
--
Radoslaw Skorupka
Lodz, Poland
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