Hi,

I spoke with someone at CA yesterday, and they said that within the next couple 
of months, CA will replace the ESD files with something else.

Now we just have to see what they replace it with.

Gadi

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Tony 
Harminc
Sent: Monday, February 04, 2008 8:21 PM
To: [email protected]
Subject: Re: CA ESD files

On Sun, 3 Feb 2008 07:56:17 +0200, גדי בן  
&#1488;&#1489;&#1497; <[EMAIL PROTECTED]> wrote:
 
>Does anyone know of a way to extract files from a CA ESD file without 
>using
a tape drive.

This gets discussed from time to time. The answer seems to be that there is no 
supported (i.e. from CA) program to do what you want. However you could write 
your own program to read the ESD file, and split out the file(s) you want. The 
format is, of course, undocumented, but as a quick browse would show you, it's 
clearly not rocket science to parse out the headers. The ESD files are 
conceptually like an AWS file, i.e. they represent an entire tape, rather than 
a dataset. So there is a volume header, and a file header for each file. There 
is also some kind of basic run-length compression.

Best bet is to submit a requirement to CA. I've often enough wanted to restore 
just one file from one of their tapes, and having to use a physical tape for 
this is ridiculous. 

Or maybe one of the virtual tape vendors, or the MFNetDisk guy could make it 
happen without a real tape.

Tony H.

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