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How to recover an old copy of a member in a PDS


IBM Mainframe Forums -> TSO/ISPF
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Paul1983

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Joined: 08 Jul 2008
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Location: bangy

PostPosted: Tue Jul 29, 2008 2:33 pm
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Hi,

I have 2 PDS A and B.Both A and B contains a member with name Mem1 with same code.I changed the Mem1 in A.But accidently while doing something I copied the Mem1 in B(without changes) to PDS A.So the Mem1 in A got replaced with Mem1 in B(with no changes).Is there any way to recover the Mem1 in A where I made changes ?

Thanks,
Paul
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expat

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Joined: 14 Mar 2007
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PostPosted: Tue Jul 29, 2008 2:57 pm
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My initial guess would be NO

Was this all done on the same day, or some work done on a previous day where you may have an overnight backup of any changes made up to that point.
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Paul1983

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PostPosted: Tue Jul 29, 2008 3:00 pm
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It's all done on the same day
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expat

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PostPosted: Tue Jul 29, 2008 3:04 pm
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Oh well, back to the drawing board then icon_biggrin.gif
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Paul1983

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PostPosted: Tue Jul 29, 2008 4:54 pm
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so there is no way to recover?
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expat

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PostPosted: Tue Jul 29, 2008 4:58 pm
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Unless you specifically took your own backups during the edit process - NO.
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Bill Dennis

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Joined: 17 Aug 2007
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Location: Iowa, USA

PostPosted: Tue Jul 29, 2008 7:09 pm
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There are utilities to recover members in a PDS (not PDSe!). If the library has not been compressed, the data still exists but has no 'pointer' to it.

You can probably find something on the CBT tape Use [URL] BBCode for External Links such as 'PDS' on file 182.
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anaresh

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Joined: 01 Aug 2008
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Location: Hyderabad

PostPosted: Fri Aug 01, 2008 12:28 pm
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You can try following command:
HLIST DATASET('xx.xxxx.xxxxx') BCDS which gives you different versions of back ups taken by the system(If it has the back-ups)

Then you can recover the version of your PDS by giving following command:
HRECOVER 'xx.xxxx.xxxxx' newname('xx.xxx.xxxxx.xxx') gen(0)

gen can be 0, 1, 2 etc depending upon version. icon_cool.gif
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gcicchet

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Joined: 28 Jul 2006
Posts: 1702
Location: Australia

PostPosted: Fri Aug 01, 2008 12:47 pm
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Hi,

see link http://www.ibmmainframes.com/about20761.html


Gerry
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nevilh

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Joined: 01 Sep 2006
Posts: 262

PostPosted: Fri Aug 01, 2008 3:38 pm
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As Bill said there is no problem recovering a member that has been deleted as long as the library has not been compressed. try doin a search with google using the following keywords. revive pds gas kimu This will give you hit on the CBT tape . I have used this utility in times of need with great success
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mmwife

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Joined: 30 May 2003
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PostPosted: Tue Aug 05, 2008 6:37 pm
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If the member was a pgm and you copiled/assembled it, you could use the listing to recover your changes. It'll take some work, but it can be done.
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dbzTHEdinosauer

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Joined: 20 Oct 2006
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Location: porcelain throne

PostPosted: Tue Aug 05, 2008 7:29 pm
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I have rebuild complete source libraries from xpeditor ddio files - use print option, then parse the listing with a rexx (or by hand if you only have a few).

would be the same process that mmwife suggested, incase you don't save your listings (I have worked at many sites that did not have a panvelet or endevor at the development level - only pds's)
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