Salvaging Logical-log files using ontape

인포믹스 엔진이 내려간 상태에서 logical log를 백업할 수 있는데 이를 log salvage라고 부른다.

이는 ontape -r 명령을 수행할 때도 확인하는데 logical log를 백업받지 않았을 때 사용한다.

직접 수행하려면 ontape -S 명령을 수행한다.

예제)

/data/skjeong/ids115fc8/backup$ ontape -S

Do you want to back up the logs? (y/n)y

Please mount tape 1 on /data/skjeong/ids115fc8/backup/ontape.lbak and press Return to continue ...

Would you like to back up any of logs 24 - 26? (y/n) y

Logical logs 24 - 26 may be backed up.

Enter the id of the oldest log that you would like to backup? 24

Read/Write End Of Medium enabled: blocks = 7

Please label this tape as number 1 in the log tape sequence.

This tape contains the following logical logs:

    24 - 26

Program over.

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