Re: Onarchive, logging, and dbspace restores
Posted in 1996
Melvin Mariney (melvin.mariney2@bridge.bellsouth.com) wrote: : Mark Christmas <mchristmas@crosskeys.com> wrote: : >We would like to create a very large table (20Gb) that is fragemented. : >The database that this table would be in does not log transactions. This : >means that there are no issues with large loads or purges. : >One of the features we would like to use, is the ablility archive and : >restore a single DBspace at a time. : >Using the archiving a single DBspace ability would allow us to create a : >new table with a new DBspace, load it, archive it, then attach the new : >table to the very large table. At some point, we could then purge that : >data and be able to restore it. : >My question is - can we actually archive and restore these tables, that : >get attached to a large fragemented table, without requiring the logs. : >When transaction logging is off, there is still log activity when we : >perform an attach, which leads me to believe that the logs might be : >required. : Mark, : : In order to restore an individual dbspace, you must use transaction : logging and back up your logical log files. If you restore a : noncritical dbspace using the last 0 level archive, the chunk(s) for : that dbspace will come up in 'PI' status until you do a roll forward : of the logical logs also. : : -- Informix Tech Support can call into the system and mark up the dbspace to indicate that it is not in an "inconsistent" state. Joe : : Melvin Mariney, Informix DBA : e-mail: melvin.mariney2@bridge.bellsouth.com -- --------------------------------------------------------------------------- Joe Lumbley(jlumbley@netcom.com) ---------------------------------------------------------------------------