Le 2013-01-29 16:44, Jim Henderson a écrit :
> On Tue, 29 Jan 2013 09:07:13 -0500, Francois Labreque wrote:
>
>> Le 2013-01-28 21:43, Jim Henderson a écrit :
>>> On Mon, 28 Jan 2013 17:16:16 -0500, Francois Labreque wrote:
>>>
>>>>> It's a new feature in Windows Server 2007 (?).
>>>>
>>>> A new feature that Novell had in Netware 3.10 back in 1990.
>>>
>>> I was thinking the same thing.  That was the migration feature IIRC.
>>> Migrated data from fast disk storage to slower optical storage.
>>
>> No, I was just thinking of the SALVAGE utility that allowed you to
>> restore previous copies of files.  (a bit similar to Norton's UNERASE,
>> but that would work on non-contiguous files)
>
> Oh, yes, that was also available on 2.x, I think.
>
> The difference, though, is that there was no guarantee that a prior
> version would still be there.  With SALVAGE, the blocks were marked as
> freeable and the DET entry was moved to DELETED.SAV if the directory were
> removed (I think in some cases it always was moved there, but at some
> point it was just marked in the DET in the directory as deleted until it
> was purged or the blocks were used).
>
> If the blocks the file was stored in were needed for storage, though,
> then the file would be permanently deleted.
>
> Or, obviously, if the PURGE utility were run.

Agreed.  Back in the days of servers with 120MB HDs, I had to purge them 
on a regular basis.



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