sir we are have db2 on linux db2 version 7.2
linux version 6.2
while create table space on raw device we are facing problems.

create tablespace kalatab managed by database using (device '/dev/raw/raw2' 20480)
DB21034E The command was processed as an SQL statement because it was not a
valid Command Line Processor command. During SQL processing it returned:
SQL0298N Bad container path. SQLSTATE=428B2

create tablespace kalatab managed by database using (device '/dev/raw/raw1' 20480)
DB21034E The command was processed as an SQL statement because it was not a
valid Command Line Processor command. During SQL processing it returned:
SQL0902C A system error (reason code = "2") occurred. Subsequent SQL
statements cannot be processed. SQLSTATE=58005

pl give me solutions.

What does Messages and Codes manual say about that error?

create tablespace kalatab managed by database using (device '/dev/raw/raw2' 20480)

ERRORS

DB21034E The command was processed as an SQL statement because it was not a
valid Command Line Processor command. During SQL processing it returned:
SQL0298N Bad container path. SQLSTATE=428B2

create tablespace kalatab managed by database using (device
'/dev/raw/raw1' 20480)

EROORS

DB21034E The command was processed as an SQL statement because it was not a
valid Command Line Processor command. During SQL processing it returned:
SQL0902C A system error (reason code = "2") occurred. Subsequent SQL
statements cannot be processed. SQLSTATE=58005

The Messages and Codes manual has information about error messages, including probable cause and possible resolution. The manual can be accessed on the IBM website (see Useful DB2 Stuff thread for link).