What is the size of oracle redo log file and what is the use
of oraarch directory in oracle?
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Answer Posted / rahul gupta
oraarch
Offline redo log files are written to the oraarch directory;
their names are specified with help of Oracle instance
configuration parameters, so the name <DBSID>arch1_<LSN>.dbf
is just an example. Moreover, offline redo log files should
be stored on a mirrored disk to prevent loss of redo
information. A RAID system can be used for this purpose.
If u loose a disk containing offline redo logs and data
files,
complete recovery is no longer possible. Therefore, offline
redo
logs and data files should be on different disks!
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