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Data Transfer to mainframe from CD

 
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yogeshpawar

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Joined: 01 Mar 2006
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Location: Sussex-UK

PostPosted: Mon Dec 22, 2008 10:41 pm    Post subject: Data Transfer to mainframe from CD
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Hi,

We are trying to get rid of old tapes and hence planning to ask Third parties to send data on CD instead of Tapes.

I think in this way somebody will have to manually FTP this data to mainframe box from PC. Then that data willl be dealt under VTS.

What are the possible prblems in this way from data format point of view if we take data from CD and upload it to mainframe? or is there any other way we can achieve this?
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dick scherrer

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Joined: 23 Nov 2006
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PostPosted: Mon Dec 22, 2008 10:54 pm    Post subject:
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Hello,

The data on cd will have basically the same considerations as files on a hard drive or file server (with the exception of loading the cd). What works for one will work fo the other.

What has presented the most challange for groups i've worked with is the format of the data. Only text should be transferred to the mainframe. This might be fixed length or "comma" delimited.

Why not ask these "third parties" to transmit the data rather than mailing a cd?
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superk

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Joined: 26 Apr 2004
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Location: Raleigh, NC, USA

PostPosted: Tue Dec 23, 2008 12:28 am    Post subject:
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dick scherrer wrote:
Why not ask these "third parties" to transmit the data rather than mailing a cd?


I second that!

But, for the sake of argument, there are CD devices that are attachable to a mainframe as a device. The question is: is it worth the cost of obtaining them?
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yogeshpawar

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PostPosted: Tue Dec 23, 2008 12:44 am    Post subject: Reply to: Data Transfer to mainframe from CD
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That's nice if we have CD devices which can be attached to mainframe.
Can you please any more info on this?

And according to earlier comment, does this mean we have limitation of only fixed lenght data which can be transferred?

What about variable length data?

Currently these external parties transfer data on Tapes which we want to get rid of and Connect-Direct link is not in place between our site and these parties.
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superk

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PostPosted: Tue Dec 23, 2008 12:57 am    Post subject: Reply to: Data Transfer to mainframe from CD
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See this previous topic.
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dick scherrer

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PostPosted: Tue Dec 23, 2008 1:29 am    Post subject:
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Hello,

Quote:
Currently these external parties transfer data on Tapes which we want to get rid of and Connect-Direct link is not in place between our site and these parties.
FTP works well . . .

Quote:
What about variable length data?
Very few Win-based programs create proper mainframe variable length data.

What i have done a few times (when the transfer volume is many gig) is to create 2 or 3 fixed-length files of different lengths. This can be especially helpful if the file has a long header and thousands of short detail records per header (say an 8k header record and 100 byte detail rcords). Once the files are uploaded, it is fairly simple to recombine them by merging them (so long as they were already in sequence).
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