HP3000-L Archives

March 1996, Week 2

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Bruce Toback <[log in to unmask]>
Reply To:
Bruce Toback <[log in to unmask]>
Date:
Tue, 12 Mar 1996 12:46:18 -0700
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At 12:21 PM 3/12/96 -0700, Jerry Fochtman wrote:
>At 12:09 PM 3/12/96 -0500, Randy Smith wrote:
>>One of our analysts would like to know what the mechanism for that is;
>
>A new internal procedure called 'DBQuiesce' was implemented by the HP IMAGE
>Lab team to help facilitate true on-line backup...
>Transactions which are in-progress are allowed to complete while any that
>are started after the 'DBQuiesce' are suspended.  Once all the in-progress
>transactions have completed, the backup product can proceed to copy the
                                                                ^^^^
>database.  After the copying is finished, the backup process DBUNQuiesce's
                      ^^^^^^^
>the database
 
I hope this means that the data base is held up only long enough to attach
it to TurboSTORE's logging mechanism, not to copy the entire data base to
tape!
 
-- Bruce
 
 
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Bruce Toback    Tel: (602) 996-8601| My candle burns at both ends;
OPT, Inc.            (800) 858-4507| It will not last the night;
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Phoenix AZ 85028                   | It gives a lovely light.
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