open bck files

dont know
July 11, 2008 at 10:05:27
Specs: openvms, dont know
I replied to a year old post but maybe noone saw it since it didn't go to the top of the list, so i'm reposting it here.
I need to open a bck file. Is there any tool out there that works in either windows, ubuntu or mac that can open a bck file?
I really need to open this file.

can anyone help?

thanx



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#1
July 11, 2008 at 11:28:12

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#2
July 15, 2008 at 05:45:01
sofia,

A BCK file on OpenVMS is often, but not always, created using the BACKUP utility. Offhand, I do not know of any up to date programs that can process these files on non-OpenVMS systems.

However, file types are merely a convention, not a guarantee. I strongly suggest dumping the first few blocks of the file in hexadecimal/ASCII to verify that the file was, indeed, produced by BACKUP.

If that is the case, there are a variety of solutions including: VAX/ALPHA simulators, friendly OpenVMS sites, or one of the public access sites on the Internet that may be of assistance; depending upon size, costs, and other considerations.

- Bob Gezelter, http://www.rlgsc.com


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#3
July 25, 2008 at 14:08:18

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Related Solutions

#4
June 5, 2010 at 03:06:17
Hopefully no-one minds me just cutting + pasting my other response...

Hi, I ran into the same issue, but have a few answers.

Firstly, I've actually gone ahead and written my own:

http://www.megatony.pwp.blueyonder....
which I use quite extensively (source code + pre-compiled Windows binaries are available). I've also built it under OSX and Solaris, so it should be pretty portable.

Additionally, to not just shill my own solution, here's another I found:

http://www.eskimo.com/~nickz/vms/bc...

Also try googling for vmsbackup.c.

Hope this helps!


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#5
June 8, 2010 at 02:46:22

Have a look at VMSBACKUP,
read the writeup at hoffmanlabs, it contains the download of the actual version as well.

Joseph Huber, http://www.huber-joseph.de
ITRC


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#6
June 8, 2010 at 11:52:37
Ah, seems my googling let me down! Very interesting
thanks, mines was mostly reverse engineered based upon
backup sets available to me (I did find a couple of header files
which helped me out with certain structures), so it'll be
interesting to see what I missed.

The only nicety mine does is optional post-file conversions
which I heavily rely upon, which is fine for the average text
files etc, but for alot of types I imagine it won't really make
too much sense (database records, that sort of thing).


*edit* Just realised I used the VMS time conversion algorithm from that site... oops! Just a pity I didn't explore further.


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