Tolong caranya ya, saya menemukan kejadian aneh di server Oracle sbb:

1. Krn kelupaan di monitor, ada 2 disk logical yang full. Satu berisi 
archive, satunya lagi berisi undo tablespace dan temp.

2. Akibat no (1), server gak bisa create archive (mandek), ketahuan 
pas hang dilihat archive log full di disk tsb, terpaksa archive log 
dihapus semua sementara

3. Tanpa disadari, disk satunya yang berisi temp dan undo tablespace 
juga penuh sehingga mandek kembali. Pas dicek (kirain archive lagi), 
eh ternyata nggak. Pas disk dikosongkan, server tidak bisa restart 
krn minta recover --> kondisi hot backup (di-offline-kan 
tablespacenya)

4. Dicoba recover, krn archive log keburu dihapus, gak bisa complete 
recovery, jadilah incomplete pakai backup controlfile dan direset.

5. Temp berhasil recover, tapi undo table space nggak bisa. Akhirnya 
sementara diset manual, kemudian diset offline, create undo 
tablespace baru, terus drop yang lama. Sama sini masih OK.

6. Pas restart error, ternyata ada 1 rollback segment yang corrupt, 
yang letaknya ada di undotablespace yg pertama. Terpaksa dijalankan 
pakai init paramater: _offline_rollback_segments=<segment yang rusak>

7. Jalan sih jalan,terus coba create undo tbs2, ganti init.ora 
undotbs ke sini, terus restart, jalan sih.

8. Tapi problemnya sekarang di alert log selalu muncul sbb setiap 5 
menit:

Sat Aug 12 10:12:46 2006
SMON: about to recover undo segment 13
SMON: mark undo segment 13 as needs recovery
Sat Aug 12 10:12:46 2006
Completed: alter tablespace undotbs1 online
Sat Aug 12 10:17:53 2006
SMON: about to recover undo segment 13
SMON: mark undo segment 13 as needs recovery
Sat Aug 12 10:22:51 2006
SMON: about to recover undo segment 13
SMON: mark undo segment 13 as needs recovery
Sat Aug 12 10:27:58 2006
SMON: about to recover undo segment 13
SMON: mark undo segment 13 as needs recovery
Sat Aug 12 10:33:05 2006
SMON: about to recover undo segment 13
SMON: mark undo segment 13 as needs recovery

Tentu efeknya jadi lambat. Mau coba drop undo tablespace pertama gak  
bisa, keluar internal error ORA-00600: internal error code, 
arguments: [ktssdrp1], [1], [2], [97], [], [], [], []

Objective/Tanya:
1. Bagaimana supaya di alert.log tidak keluar pesan recover undo 
segment 13 (yg corrupt)
2. Undo Tablespace 1 bagaimana supaya bisa didrop (kalau didrop 
selalu keluar error ORA-00600: internal error code, arguments: 
[ktssdrp1], [1], [2], [97], [], [], [], []
3. Bagaimana supaya bisa start tanpa dipancing init ora-nya pakai 
_offline_rollback_segments

4. Solusi seharusnya dan antisipasinya?

Terima kasih atas bantuannya ...

Rgds,

Ervin L
ygnginapdikantorgaragaracorrupt







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