I'm trying to come up with a sort of matrix of the various logging settings and I've come across a few oddities:
for example:
1) Does it make sense to use Mirrored Log Volumes *with* Overwrite = ON?
It is certainly possible to do this, but I'm afraid it just seems like extra overhead to me. Is this the case? How does MaxDB behave in this case? Does it continue to write to both, and then overwrite the information in both?
2) You can recover a damaged LOG volume with recover_volume, but can you use recover_volume to recover a damaged mirror volume? Apparently you can recover the mirror volume with commands like:
util_execute RESTORE LOG VOLUME 'LOG_M_001'
But recover_volume only seems to work when restoring /from/ the mirrored copy.
Any thoughts?
Cheers, JLS
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