The Online Redo page displays information regarding the size and status of the online redo logs. The Online Redo chart is a graphical representation of the size of the redo logs in megabytes.
To open the Online Redo page
Click Disk Storage | Online Redo.
 
The Grid
| Control | Description | 
|---|---|
| Sequence # | The system-allocated log sequence number. | 
| Group # | The log group number. | 
| Group status | The status of the group (unused, current, clearing, clearing_current, inactive). The information displayed in this column is derived from the 'v$log' table. | 
| Archived | This column shows the archive status (yes or no) of the log file. | 
| Member name | The name of the redo log member. | 
| Member status | The status of this member (invalid, stale, deleted, in use). The information displayed in this column is derived from 'v$logfile'. | 
| Size (MB) | The size of the log in megabytes. | 
| First change # | A system-allocated number (SCN) identifying the first time a change was recorded in this log. | 
| First time | The time at which the first SCN in the log was recorded. | 
| Log switch rate | The amount of time it takes for this log to be used up. |