RE: Shadow Image....
- From: John Kanagaraj <john.kanagaraj@xxxxxxx>
- To: "'mehra_us@xxxxxxxxx'" <mehra_us@xxxxxxxxx>, oracle-l@xxxxxxxxxxxxx
- Date: Fri, 8 Oct 2004 09:50:26 -0700
Manish,
>Has any one of you configured a workable solution using
>Hitachi shadow image and 9205 for duplicate database creation? I am
looking for
>some reference on doing it without putting the source database in hot
backup mode?
Regardless of whether you use Hitachi ShadowImage or EMC SnapCopy (or
similar), you _will_ need to place the whole Database in Hot Backup mode
prior to splitting the mirror. There is a definite time period between start
to finish of the various behind-the-scenes operations and any DB level
changes that occur during this period would otherwise result in a fuzzy
backup that can be avoided only by a Hot backup. In any case, the whole
point of using a ShadowImage is to reduce the time taken to backup an online
database while the tablespaces are in hot backup mode (which otherwise would
lead to a large amount of redo generation). Sorry buddy - needs to be done!
[And we have been using this for a 300Gb Apps database for the past 4 years
with no issues - one of my fellow DBAs did try a non-hotbackup recovery test
and ended up with fuzzy files].
Hth,
John Kanagaraj <><
DB Soft Inc
Phone: 408-970-7002 (W)
Fear connects you to the Negative, but Faith connects you to the Positive! I
Jn 4:18
** The opinions and facts contained in this message are entirely mine and do
not reflect those of my employer or customers **
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