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TNS:could not resolve the connect identifier specified
Backtrace message unwound by exceptions
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resource busy and acquire with NOWAIT specified
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archiver error. Connect internal only, until freed
snapshot too old
unable to extend temp segment by string in tablespace
Credential retrieval failed
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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

Re: Restoring 64 bit database to 32 bit Server

Jared Still

2006-09-12

Replies:
On 9/8/06, MacGregor, Ian A. <ian@slac.stanford.edu> wrote:
Are you positive the 32-bit server has permission to see the files backed up on your 64-bit server?  If does do you need to tell it to look in the 64-bit machine "area"?  I'm unfamiliar with NETBACKUP but with Tivoli Data Protection for Oracle in the TDPO option file for the 32-bit machine one would need to to  replace


Not a permissions problem.

RMAN DUPLICATE can restore the files to a 32 bit server, but the RECOVER
fails with the archive logs:

ORA-00354: corrupt redo log block header

ORA-00353: log corruption near block 124471 change 1554268051 time 08/25/2006 07:03:32

ORA-00334: archived log: '/u01/oradata/ts01/archive/ts01_0001_0000001453.arc'


The same log files worked when restored to a 64 bit server.

ML Note 62290.1 claims that data,undo and redo do not differ between 32 bit and 64 bit platforms.

Interestingly though, the MD5 checksums differ when the file is restored to a 32 bit platform.
Even more interesting, cksum and sum do not differ:

64 BIT

$ md5sum /u01/oradata/ts01/archive/ts010001_0000001453.arc

d02c4252bba65fa8f026944a0e440451  /u01/oradata/ts01/archive/ts010001_0000001453.arc

 

$ sum /u01/oradata/ts01/archive/ts010001_0000001453.arc

09390 102400

 

$ cksum /u01/oradata/ts01/archive/ts010001_0000001453.arc

426663138 104857088 /u01/oradata/ts01/archive/ts010001_0000001453.arc

 

32 BIT

$ md5sum /u01/oradata/ts01/archive/ts01_0001_0000001453.arc

a363e3f709739bdbec5cc8976f437012  /u01/oradata/ts01/archive/ts01_0001_0000001453.arc

 

$ sum /u01/oradata/ts01/archive/ts01_0001_0000001453.arc

09390 102400

 

$ cksum /u01/oradata/ts01/archive/ts01_0001_0000001453.arc

426663138 104857088 /u01/oradata/ts01/archive/ts01_0001_0000001453.arc


--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist