FOR YOUR INFORMATION
ESIS and EPFAL are now part of Logica. The Internet email addresses of the staff has
changed to the following - [EMAIL PROTECTED] eg [EMAIL PROTECTED] Emails
using the old format will continue to be delivered until 30th June 2001.
>From the sites I have worked at recently RMAN seems to be the way to go. It
certainly seems a lot more robust and reliable than it was in its earliest
release.
The 'normal' way of operation I have seen is either
Use a 3 way mirror, shut down the database, start up then shutdown normal,
then split one mirror. The database can then be restarted (total outage less
than 20 minutes)
The backup then takes place against the 3rd mirror and is a cold backup and
can be written to tape. The 3rd mirror is then synced or re-silvered at your
convenience after the backup is complete (5 hours later?).
One advantage of using this method is that the 3rd mirror is kept un-synced
all day until just before the backup ( we used EMC BCVs) and then merged.
Therefore there is a good copy of the database almost immediately available
that only needs 1 day's set of archive log applying in the event of a
recovery.
The other option is for hot backups, again using RMAN. Perhaps back up to
disk and then archive to tape at your leisure. No downtime necessary
For the benefits of RMAn read an execllent essay by Tim Gorman of SageLogix
- Is RMAN really worth the trouble. A link can be found from
www.timonions.com <http://www.timonions.com> site
HTH
John
John Hallas
* +44 (0) 115 945 6643
* +44 (0) 115 945 6774
This e-mail and any files transmitted with it, are confidential to Logica and are
intended solely for the use of the individual or entity to whom they are addressed.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Hallas, John
INET: [EMAIL PROTECTED]
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from). You may
also send the HELP command for other information (like subscribing).
