Operating OnLine 3-61

Monitor OnLine Activity

Monitor OnLine Activity
Many OnLine structures can be monitored for more than one kind of infor-
mation. For example, you can monitor chunks for either fragmentation or
page usage.
OtherOnLine entities are too general to be researched directly. For example,
table information is too broad a category. What aspect of the table interests
you? Indexes? Number of data rows? Disk space usage by extent and page
type?
Forbackground information about internal OnLine structures mentioned in
this section, refer toChapter 2, “System Architecture.”

Monitor Archive History

DB-Monitor lists the archive tapes and logical log backup tapes needed to
perform a restore of the current OnLine system.
From DB-Monitor
FromDB-Monitor, select the Status menu, Archive option.
The display lists the archives that you would need to perform an OnLine
restore now. For this reason, after you create a new level-1 archive, earlier
level-2 archives no longer appear.
The following information displays for each archive:
Archive level (0, 1, or 2)
Date and time of the archive
IDnumber of the logical log that was current when the archive began