The Redo Archive Performance collection provides redo and archive activity information.
The Redo Instances Miscellaneous collection provides Redo Log Switches information.
| The number of redo Logs switches during the specified time range | 
The Redo Logs Member Storage is a list of Redo log members and their properties.
| The redo log group member status is one of the following: 
 
 
 
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The Redo Log Storage collection provides a list of all Redo log groups and their overall properties.
| The archive status of the log file: 
 
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| A system-allocated number (SCN), identifying the first time a change was recorded in this log. | |||||||||
| The status of the group is one of the following: 
 
 
 
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