how much money do you want to spend?
If you are willing to spend a lot (like $5K for every 8 hours with a
minimum of 16 hours -- price might have gone up, it was that about 3
years ago)....
call Tech Support, ask to speak to someone in Field Support about Data
Unloader.
This is what it does perfectly -- mines the existing datafiles and
generates either sqlloader flat file input (if you don't have LONG
columns) or export dumps that can be imported.
You can restore using one of the old backups and truncate every table,
then use the Data Unloader outputs to recreate.
it will take time. Took me about 48 hours (some of which was spent
waiting for people to arrive) from the time my database crashed because
the redo logs were corrupted to the time we were back up and running.
if you want more details, email me offlist.
Rachel
- "Maser, Donna (SEA)" <Donna.Maser_at_sea.celltechgroup.com> wrote:
> HELP! I got hit with something or someone today and all the redologs
> for 2
> of my production databases disappeared. I have no idea how, and will
> leave
> it to the SysAdmin
> to figure out what happened and how to prevent it from happening
> again. I
> am not in archivelog mode and normally take nightly cold backups. If
> at all
> possible, I need to recover these databases. The other problem is
> that my
> backup script was broken and (during my absence, I should never have
> taken a
> 2 week honeymoon!) no backups were taken.
> So, I'm working with 2 week old cold backup, and wondered if anyone
> knows a
> way (unsupported, of course) to recover the tablespaces that hold
> data with
> the old system datafile?
> I have tried all methods of recovery I could come up with to get the
> database to start without the logfiles, (using "recover ... using
> backup
> controlfile", rebuilding controlfile) ... but always end up with a
> message
> that the system tablespace needs media recovery.
>
> I took a cold backup of the mess before I started tinkering with it,
> and I'm
> willing to try anything. Any ideas?
>
>
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> Author: Maser, Donna (SEA)
> INET: Donna.Maser_at_sea.celltechgroup.com
>
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Author: Rachel Carmichael
INET: wisernet100_at_yahoo.com
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Received on Tue Dec 18 2001 - 04:48:55 CST
