Dick,

Couldn't she just

"Alter database open reset logs"   - wouldn't this create a new set of redo
logs?

Beth - you didn't say whether you lost all of your redo logs - please do NOT
do the above right away.  I've never faced this, and am guessing a bit.

Tom Mercadante
Oracle Certified Professional


-----Original Message-----
Sent: Wednesday, February 20, 2002 9:03 AM
To: Multiple recipients of list ORACLE-L


Beth,

    This is one of those conditions where not backing up everything gets one
in
trouble, on occasion.  What I believe you'll have to do, which would be true
in
any case, is rebuild the control file.  Now I'm not absolutely certain, but
I do
believe you can issue a "alter database backup controlfile to trace" command
on
a mounted database.  That will at least give you the script you'll need.

Dick Goulet

____________________Reply Separator____________________
Author: "Seefelt; Beth" <[EMAIL PROTECTED]>
Date:       2/20/2002 5:28 AM


Hi everybody,

This all started with the halon firing in our data center last night around
10pm
so you can imagine my condition.

I lost a disk that contained only redo logs.

When I try to open the database I get 

ORA-00313: open failed for members of log group 1 of thread 1
ORA-00312: online log 1 thread 1: 'F:\ORACLE\ORADATA\OWBREPOS\REDO01.LOG'
ORA-27041: unable to open file
OSD-04002: unable to open file

I thought what I needed to do was switch the log files, drop the members
that
are on the bad disk, and then I'd be able to open the database.

So I mounted the database and did 

        alter system switch logfile;

and its telling me ORA-01109: database not open

I thought I could swicth logfile with the database mounted?

Could someone suggest the right steps I should take to recover?

Many TIA,

Beth
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