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TNS:could not resolve the connect identifier specified
Backtrace message unwound by exceptions
invalid identifier
PL/SQL compilation error
internal error
missing expression
table or view does not exist
end-of-file on communication channel
TNS:listener unknown in connect descriptor
insufficient privileges
PL/SQL: numeric or value error string
TNS:protocol adapter error
ORACLE not available
target host or object does not exist
invalid number
unable to allocate string bytes of shared memory
resource busy and acquire with NOWAIT specified
error occurred at recursive SQL level string
ORACLE initialization or shutdown in progress
archiver error. Connect internal only, until freed
snapshot too old
unable to extend temp segment by string in tablespace
Credential retrieval failed
missing or invalid option
invalid username/password; logon denied
unable to create INITIAL extent for segment
out of process memory when trying to allocate string bytes
shared memory realm does not exist
cannot insert NULL
TNS:unable to connect to destination
remote database not found ora-02019
exception encountered: core dump
inconsistent datatypes
no data found
TNS:operation timed out
PL/SQL: could not find program
existing state of packages has been discarded
maximum number of processes exceeded
error signaled in parallel query server
ORACLE instance terminated. Disconnection forced
TNS:packet writer failure
see ORA-12699
missing right parenthesis
name is already used by an existing object
cannot identify/lock data file
invalid file operation
quoted string not properly terminated

backup of offline dropped datafile

Koen Van Langenhove

2005-12-23

Replies:
Hi,
First things first:
- 9.2.0.4 2-node RAC
- solaris 8 / sun cluster 3.0
- VxVM 3.2
- production system, rather urgent

we have this little situation where someone dropped a datafile using
'offline drop'. This was apparently not the best solution for its
problem and we don't have archivelogs available to recover the datafile
(only the archivelogs created during the backup are kept .. don't ask ..).

As I understand it right now, there's no way we can "undrop" this
datafile, our only option is to drop the tablespace and recreate it,
which is what we'll do eventually. To get out of this situation we would
like to continue for a while with this datafile dropped, while adding
another datafile to make up for the lost space.

Now, the question is, is this a good idea ? My main concern is
backup/recovery, but any other hints would be highly appreciated.

TIA,
Koen

PS the original problem:
- added a datafile
- the second node didn't have its symlink to the new vxvm volume
- adding the datafile worked, everything fine on node 1
- on node 2, got ORA-01157 on the new datafile
- created symlink but the instance did not pick up the datafile
- offline drop the datafile to bring the db into service again (while a
'alter system check datafiles' would have fixed it)

--
Regards,
Koen

Siemens COM
COM D MN A

Email : Koen.Van_Langenhove@(protected)
 -  -  -  -  -  -  -    
Unix IS user-friendly .., it's just quite picky about its friends.

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