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Recover from lost log volume

Recover from lost log volume

2007-01-29       - By David Lane

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How do I recover from total loss of my log volume? I can restore
database backups ok, but when, after restoring the backups, I try to
change the database to online mode (from dbmgui) I get

-24988 sql error [db_online -f] -902,I/O error.

In knldiag:

2007-01-29 14:23:20       0x14     11000 vattach
'/var/opt/sdb/data/MAXDB1/log/DISKL0001' T92 failed
2007-01-29 14:23:20       0x14 ERR    26 IOMan    Attach error on Log
volume 1: Could not open volume

/var/opt/sdb/data/MAXDB1/log/DISKL0001 is the lost log volume. I have
tried creating the file (just an empty file) and that makes no
difference. I found something in the mailing archive about 'util_execute
clear log' to reinit the log, but that crashes the database.

What am I missing?

Thanks

David Lane



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