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08-01-2008 07:51 AM - last edited on 10-27-2013 08:38 PM by Liuqing
08-01-2008 07:51 AM - last edited on 10-27-2013 08:38 PM by Liuqing
Restore sequence
I've been trying to figure out the logic to this restoring sequence. can someone shed some light on this. I am not trying to make short cuts but logically it doesn't make sense.
Tips and Tricks from Data Protector Express User's Guide and Technical Reference:
--//"Suppose in this example that the last full backup was done on Friday evening and that incremental
jobs were run on Monday and Tuesday evenings. To restore the volume as it appeared on Wednesday
morning, follow these steps.
a. Create a restore job, give it an identifying name, select the appropriate volume and then set the
Backup range to Friday’s date.
b. Copy the first restore job, rename it with an identifying name and change the Backup range date
to match Monday’s date. Repeat this step, changing the Backup range date of this third job to
Tuesday’s date.
c. Run the three jobs, being certain to run them in the correct order." --//
Q:
Why couldn't you do the friday's full backup and then do the Tuesday's backup to be able to restore Wednesday's volume. Why do you need to do Monday's Backup if it will already appear in Tuesday's backup????
P.S. This thread has been moved from Data Protector Support and News Forum to Tape Backup (Small and Medium Business).
-HP Forum Moderator
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08-05-2008 03:23 AM
08-05-2008 03:23 AM
Re: Restore sequence
Incremental:
Backup 1 (Friday) = full copy (base)
Backup 2 (Monday) = Monday - Friday
Backup 3 (Tuesday) = Tuesday - Monday
Differential:
Backup 1 (Friday) = full copy (base)
Backup 2 (Monday) = Monday - Friday
Backup 3 (Tuesday) = Tuesday - Friday
Look close at the difference and think it for a while