One issue that you may encounter with going to a new storage system on a z9 
processor is the speed of the ficon cards and whether the new unit can z9 
cards.  I am not sure the new Hitachi's can work with 4GB ficon.

I would make sure that if you replace it, with whichever vendor, that the new 
unit can work with those old z9 cards.

Thanks

Bill Bishop
Consultant, Mainframe Engineer
Mainframe and Scheduling | Infrastructure Technology Services 
Toyota Motor North America
 bill.bis...@toyota.com
Office:  (469) 292-5149
Cell:      (502) 316-4386

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Grant Taylor
Sent: Friday, June 26, 2020 10:05 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [EXTERNAL] DASD migration -- Re: Hitachi RAID box going out of support

On 6/26/20 3:16 AM, R.S. wrote:
> 3. 18 months is close to half of typical service contract for new dasd 
> array. Still we don't know how sure is 18 months - maybe it would be 
> 36 months? Even 12 months means the dasd array would have some residual value.

n00b questions:

1)  Is it possible to migrate from old DASD to new DASD?

2)  How disruptive would this be to the day-to-day operation of the existing 
mainframe?

3)  What sort of prerequisites exist for this?

I have some experience with this in the Open Systems environment, but I'd like 
to know more about how such a storage migration would be done in the mainframe 
world.



--
Grant. . . .
unix || die

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