> On 04/04/2012 10:14, Vlad Khorsun wrote:
>>> Getting half-crypted DB copy is something too exotic :-)
>>
>> Physical backup is "physical backup", i.e. page-level copy of a
>> database. It have
>> nothing common with encryption state, and i see no problem if physical
>> backup of
>> half-encrypted database is also half-encrypted. For the paranoid admins we
>> can make
>> option in nbackup to encrypt pages before writting them into backup (of
>> course file
>> system copy will be half-encrypted, but admins are informed and have a
>> choice).
>>
>> I see no reason to disallow backup's while encryption is in progress.
>>
>>
> And what about the contrary?
>
> If database is in backup-mode and you start encryption, original
> database will be maintained unencrypted
Yes
> and it will be rewritten encrypted in the delta file?
Delta file will contain encrypted pages, yes. And at the merge step they
will go to
database file.
> Then whole delta file will be rewritten to the database when backup ends?
At merge step - sure.
> Sounds not wise.
What the problem ? While "encryption in progress" state we anyway have part
of
database encrypted and other part non-encrypted. Why physical backup confused
you ?
Regards,
Vlad
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