Backup Error through db13

Dear Experts,

We are taking backup through db13 ECC Deve Server but getting following error--

Job started

Step 001 started (program RSDBAJOB, variant &0000000000029, user ID BASIS)

Execute logical command BRBACKUP On host sapeccdev

Parameters:-u / -jid TAPIN20091130155408 -i force -c force -n 1 -v SCRATCH

BR0051I BRBACKUP 7.00 (32)

BR0055I Start of database backup: becaipbs.tib 2009-11-30 15.54.08

BR0484I BRBACKUP log file: /oracle/DEV/sapbackup/becaipbs.tib

BR0280I BRBACKUP time stamp: 2009-11-30 15.54.09

BR0301W SQL error -27140 at location BrDbConnect-2, SQL statement:

'CONNECT /'

ORA-27140: attach to post/wait facility failed

BR0310W Connect to database instance DEV failed

BR0205I Backup volume initialization

BR0058I BRBACKUP action ID: becaipbs

BR0059I BRBACKUP function ID: tib

BR0102I Following backup device will be used: /dev/rmt/2mn

BR0131I All volumes get the name SCRATCH

BR0129I Force option set - no label checking during initialization

BR0134I Unattended mode with 'force' active - no operator confirmation allowed

BR0207I Volume in device: /dev/rmt/2mn will be initialized with name: SCRATCH

BR0280I BRBACKUP time stamp: 2009-11-30 15.54.09

BR0226I Rewinding tape volume in device /dev/rmt/2m ...

BR0202I Copying /oracle/DEV/sapbackup/.tape.hdr0

BR0203I to /dev/rmt/2mn ...

BR0209I Volume in device /dev/rmt/2mn has name SCRATCH

BR0280I BRBACKUP time stamp: 2009-11-30 15.54.16

BR0226I Rewinding tape volume in device /dev/rmt/2m ...

BR0280I BRBACKUP time stamp: 2009-11-30 15.54.18

BR0301E SQL error -27140 at location BrDbConnect-2, SQL statement:

'CONNECT /'

ORA-27140: attach to post/wait facility failed

BR0310E Connect to database instance DEV failed

BR0206I End of backup volume initialization

BR0280I BRBACKUP time stamp: 2009-11-30 15.54.18

BR0054I BRBACKUP terminated with errors

External program terminated with exit code 3

BRBACKUP returned error status E

Job finished

Kindly revert with helful suggestion.

Regards,

Ajit