Monday, November 25, 2013

RESIZE TEST TABLESPACE DATAFILES


SQL> alter database datafile '/test/test01.dbf' autoextend off;


SQL> column file_name format a20
SQL> column tablespace_name format a10
SQL> select
  2              tablespace_name,
  3              file_id,
  4              file_name,
  5              dfsizeMB,
  6              hwmMB,
  7              dffreeMB,
  8              trunc((dffreeMB/dfsizeMB)*100,2) "% Free",
  9              trunc(dfsizeMB-hwmMB,2) "Resizeble"
 10     from
   (
 11   12        select
 13             df.tablespace_name tablespace_name,
 14             df.file_id file_id,
 15             df.file_name file_name,
 16             df.bytes/1024/1024 dfsizeMB,
 17             trunc((ex.hwm*(ts.block_size))/1024/1024,2) hwmMB,
 18             dffreeMB
 19        from
 20             dba_data_files df,
 21             dba_tablespaces ts,
 22        (
 23             select file_id, sum(bytes/1024/1024) dffreeMB
 24             from dba_free_space
 25             group by file_id
 26        ) free,
 27        (
 28             select file_id, max(block_id+blocks) hwm
 29             from dba_extents
           group by file_id
 30   31        ) ex
 32        where df.file_id = ex.file_id
 33        and df.tablespace_name = ts.tablespace_name
 34        and df.file_id = free.file_id (+)
 35        order by df.tablespace_name, df.file_id
 36      )
 37  /

TABLESPACE    FILE_ID FILE_NAME              DFSIZEMB      HWMMB   DFFREEMB     % Free  Resizeble
---------- ---------- -------------------- ---------- ---------- ---------- ---------- ----------
SYSAUX              3 /opt/oracle/oradata/        240      237.5        2.5       1.04        2.5
                      NMS/sysaux01.dbf

SYSTEM              1 /opt/oracle/oradata/        490     481.07        9.5       1.93       8.93
                      NMS/system01.dbf

TEST                6 /test/test01.dbf         3.9375        .69     3.3125      84.12       3.24

UNDOTBS1            2 /opt/oracle/oradata/         30      26.07    18.6875      62.29       3.93
                      NMS/undotbs01.dbf

USERS               4 /opt/oracle/oradata/          5        .44     4.5625      91.25       4.56
                      test/users01.dbf




SQL> alter database datafile '/test/test01.dbf' resize 3m;

Database altered.

SQL>
SQL> alter database datafile '/test/test01.dbf' autoextend on;

Database altered.

SQL>

About the Author : Anurag Pandey | Database cloud Architect | Oracle | SQL Server | PostgreSQL | AI and Data Platform Enthusiast

Anurag Pandey is a Database Architect with expertise in Oracle, PostgreSQL, SQL Server, Linux, and enterprise database platforms and specializes in database architecture, performance tuning, high availability, disaster recovery, cloud modernization, and operational excellence. With extensive experience in enterprise-scale environments, Anurag is passionate about leveraging AI, automation, and modern data platforms to improve reliability, scalability, and business outcomes. He actively contributes to technical communities through knowledge sharing, architecture guidance, and thought leadership in database and data engineering domains.

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Friday, November 1, 2013

ORA-01157: cannot identify/lock data file 6 - see DBWR trace file ORA-01110: data file 6: '/opt/oracle/db02/nms_index.dbf'

SQL> startup
ORACLE instance started.

Total System Global Area  167772160 bytes
Fixed Size                  1279120 bytes
Variable Size             104860528 bytes
Database Buffers           58720256 bytes
Redo Buffers                2912256 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/opt/oracle/db02/nms_index.dbf'


SQL>
SQL>
SQL> shut abort
ORACLE instance shut down.
SQL>
SQL> startup mount
ORACLE instance started.

Total System Global Area  167772160 bytes
Fixed Size                  1279120 bytes
Variable Size             104860528 bytes
Database Buffers           58720256 bytes
Redo Buffers                2912256 bytes
Database mounted.
SQL> alter database datafile '/opt/oracle/db02/nms_index.dbf' offline drop;

Database altered.

SQL>
SQL>
SQL> shut abort
ORACLE instance shut down.
SQL>
SQL>
SQL> startup
ORACLE instance started.

Total System Global Area  167772160 bytes
Fixed Size                  1279120 bytes
Variable Size             104860528 bytes
Database Buffers           58720256 bytes
Redo Buffers                2912256 bytes
Database mounted.
Database opened.
SQL>
SQL>
SQL>

About the Author : Anurag Pandey | Database cloud Architect | Oracle | SQL Server | PostgreSQL | AI and Data Platform Enthusiast

Anurag Pandey is a Database Architect with expertise in Oracle, PostgreSQL, SQL Server, Linux, and enterprise database platforms and specializes in database architecture, performance tuning, high availability, disaster recovery, cloud modernization, and operational excellence. With extensive experience in enterprise-scale environments, Anurag is passionate about leveraging AI, automation, and modern data platforms to improve reliability, scalability, and business outcomes. He actively contributes to technical communities through knowledge sharing, architecture guidance, and thought leadership in database and data engineering domains.

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Thursday, October 31, 2013

TO MOUNT USB STORAGE IN SOLARIS 10 OS

plug usb storage

iostat -En (its give information about usb storage)


/etc/init.d/volmgt stop

rmformat (give information about path)

mount -F pcfs /dev/dsk/c0t0d0s2:c /mnt

check at /mnt  your usb storage mount


df -h

About the Author : Anurag Pandey | Database cloud Architect | Oracle | SQL Server | PostgreSQL | AI and Data Platform Enthusiast

Anurag Pandey is a Database Architect with expertise in Oracle, PostgreSQL, SQL Server, Linux, and enterprise database platforms and specializes in database architecture, performance tuning, high availability, disaster recovery, cloud modernization, and operational excellence. With extensive experience in enterprise-scale environments, Anurag is passionate about leveraging AI, automation, and modern data platforms to improve reliability, scalability, and business outcomes. He actively contributes to technical communities through knowledge sharing, architecture guidance, and thought leadership in database and data engineering domains.

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