Year: 2008

V$transaction notes for finding XID composition.

10-Jul-2008 Admin No Comments

Notes on v$transaction The information here contains the view description from the Oracle9i documentation Earlier versions of Oracle may not include all columns. The v$transaction view lists the active transactions in the system. Column Datatype Description ————- ————– ————————————– ADDR RAW(4) Address of transaction state object XIDUSN NUMBER Undo segment number XIDSLOT NUMBER Slot number…

Oracle, SQL scripts

telnet listening

09-Jul-2008 Admin No Comments

if you are trying following $ telnet remote-server port and you are getting error, this means no one is listening on that port on remote server. Start the listening application ( like listener ) & then do telnet. it will work if firewall is not blocking it.

Linux/Unix, shell

Find total file sizes

07-Jul-2008 Admin No Comments

sunflower1/800L>./vrm3 | awk ‘{tot+=$5} END {print “TOTAL ” tot/1024}’ TOTAL 52662552 sunflower1/800L>cat vrm3 ls -rlt /EMCdb21/oradata/800P/800P_misc_index31.dbf ls -rlt /EMCdb21/oradata/800P/800P_emp_data23.dbf ls -rlt /EMCdb21/oradata/800P/800P_emp_index55.dbf ls -rlt /EMCdb21/oradata/800P/ORD_SCRPAD_INDEX_06.dbf ls -rlt /EMCdb21/oradata/800P/800P_emp_index56.dbf ls -rlt /EMCdb21/oradata/800P/800P_misc_data_3_04.dbf ls -rlt /EMCdb21/oradata/800P/800P_SAS_DATA_1.dbf ls -rlt /EMCdb24/oradata/800P/800P_ord_index42.dbf ls -rlt /EMCdb24/oradata/800P/800P_misc_index32.dbf ls -rlt /EMCdb24/oradata/800P/800P_phone_index22.dbf ls -rlt /EMCdb24/oradata/800P/800P_atlas_index57.dbf ls -rlt /EMCdb14/oradata/800P/800P_atlas_data34.dbf ls -rlt /EMCdb14/oradata/800P/800P_emp_index57.dbf ls -rlt /EMCdb14/oradata/800P/800P_ord_data29.dbf…

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Linux/Unix, shell

Clean up

06-Jul-2008 Admin No Comments

* re-format /dev/sdb /dev/sdc once * drop crs home * drop oraInventory * set the time on both boxes

Oracle, RAC

UTL_FILE test program

03-Jul-2008 Admin No Comments

Declare v_filehandle UTL_FILE.FILE_TYPE; file_dir VARCHAR2(50) :=’/db3/oracle/utlfiles’; begin t_file_name :=’Vatti_test.dat’; v_filehandle := UTL_FILE.FOPEN(file_dir, t_file_name, ‘w’); UTL_FILE.PUT_LINE(v_filehandle, ‘Hello TEST’); UTL_FILE.FCLOSE(v_filehandle); exception when others then dbms_output.put_line(sqlcode || ‘ ‘ || sqlerrm); end; /

Oracle, SQL scripts

V$CONTROLFILE_RECORD_SECTION reference notes.

02-Jul-2008 Admin No Comments

TYPE VARCHAR2(17) Identifies the type of record section: DATABASE, CKPT PROGRESS, REDO THREAD, REDO LOG, DATAFILE, FILENAME, TABLESPACE, LOG HISTORY, OFFLINE RANGE, ARCHIVED LOG, BACKUP SET, BACKUP PIECE, BACKUP DATAFILE, BACKUP REDOLOG, DATAFILE COPY, BACKUP CORRUPTION, COPY CORRUPTION, DELETED OBJECT, or PROXY COPY RECORD_SIZE NUMBER Record size in bytes RECORDS_TOTAL NUMBER Number of records allocated…

Oracle, SQL scripts

metalink all dynamic view reference notes.

02-Jul-2008 Admin No Comments

V$ View Definitions Library Doc ID: Note:220021.1

Oracle, SQL scripts

how to find VIP from ifconfig

27-Jun-2008 Admin No Comments

As u see in front of VIP, “:1” will be there. sunlight1/800P>ifconfig -a lo0: flags=2001000849 mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 hme0: flags=1000843 mtu 1500 index 2 inet 192.168.9.36 netmask ffffff00 broadcast 192.168.9.255 hme0:1: flags=1000843 mtu 1500 index 2 inet 192.168.9.10 netmask ffffff00 broadcast 192.168.9.255 hme1: flags=1000843 mtu 1500 index 3 inet 192.168.9.38…

Linux/Unix, shell

ORA-00064: object is too large to allocate on this O/S during startup

25-Jun-2008 Admin No Comments

(1) When you attempt to set the ‘Processes’ parameter to high value (for example> 14000), the instance startup fails with ORA-00064: object is too large to allocate on this O/S ORA-00064: object is too large to allocate on this O / S. Solution: Change PROCESSES parameter. or The workaround to bypass this limit is to…

Oracle, SQL scripts

standard Monitoring – 1

04-Jun-2008 Admin No Comments

ALL DB = Primary + DR databases. -> Implement checkfile concept so script will not page for planned maitenance. (1) Connect and update all Primary db for hang check. (2) Check for pmon for all db. (3) Check Alert log for ORA error for Primary database. (4) Purge Alert log of Primary and keep backup…

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Oracle, SQL scripts