Re: Any product to undelete file?





"McKown, John" <JMckown@xxxxxxxxxxxxxxxxx> wrote in message
news:<A6B9336CDB62BB46B9F8708E686A7EA003EBEEB0EF@xxxxxxxxxxxxxxxxxxxxx>.
...
-----Original Message-----
From: IBM Mainframe Discussion List
[mailto:IBM-MAIN@xxxxxxxxxxx] On Behalf Of shai hess
Sent: Thursday, July 09, 2009 2:52 AM
To: IBM-MAIN@xxxxxxxxxxx
Subject: Re: Any product to undelete file?

HI,

I want to develop an automatic process which will keep the
old VTOC entries
of files which were deleted. Using the undelete request, will
recreate
the VTOC DSCB1 record automatically.

I heard about many cases of wrong deleting of files.


Any value?

Shai

I had another reply to this, but it was a bit of a rant. So, I'll tone
it down. How are people supposed to learn "don't do that" if we make it
so that nothing that they do can cause them any harm? Implementing this
would cause more overhead in the DASD farm and CPU to "checkpoint" the
information. How is this better than simply using DFHSM to take nightly
incremental HBACKUPs? If we are going to protect people from accidental
deletion, then what about accidental updates (i.e. ran a job against the
wrong file, but it "worked" because the two files had the same
attributes)?

I really don't like the idea, personally. But then I'm a great
believer in "personal responsibility" too.

--
John McKown

I agree, mainly for the overhead versus usefulness ratio.

A feature like a Recycle Bin could be useful without introducing too
much overhead. If a dataset is deleted, just keep it, but hide it by
administrating it in a Recycle Bin per volume. HSM could periodically
delete data from the Recycle based on age or size of the Recycle Bin.
The user could then be given an Undelete function, because the data is
still there.
This would also solve the problem that you can restore last night's
backup, but still have to redo today's updates.

Kees.
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