Copyright © Cloud Software Group, Inc. All Rights Reserved
Copyright © Cloud Software Group, Inc. All Rights Reserved


Chapter 6 Monitoring TIBCO Object Service Broker : Option B – Segment/DASD
Option B – Segment/DASD
Option B (Segment/DASD) displays segment and disk statistics. The following screens display this information:
•
Segment Statistics
•
DASD Statistics
•
DASD Stats by Page Type
•
Change Segment Status
Segment Statistics Screen
The Segment Statistics screen displays all segments known to the Data Object Broker as defined in the install_path/database/dbdef file.
 
HRNADMB1 OSTARSRV SEGMENT STATISTICS 2012AUG09 15:57:04
SEG NAME TYPE STATUS JRN PAGES USED FREE READS WRITES
0 METASTOR TDS ONLINE Y 27000 23803 3197 611 16
1 SEG01 TDS ONLINE Y 5000 299 4701 1 0
99 AUDITLOG TDS ONLINE Y 1200 53 1147 1 0
ENTER-REFRESH PF2-DASD STATISTICS PF7-BACK PF8-FORWARD PF11-MODIFY
 
Information Displayed
 
Column
Function
SEG
Segment number.
NAME
Segment name.
TYPE
Type of data stored.
STATUS
Online or offline.
JRN
Whether (YES or NO) journaling is active.
PAGES
Total number of pages in all data sets within the segment.
USED
Number of pages in use.
FREE
Number of pages that are currently free. This value is in limited output seven-digit format.
READS
Current number of physical reads.
WRITES
Current number of physical writes.
Key Commands
 
PF1
Access help information about the current screen.
PF2
Display the DASD Statistics screen.
PF3
Return to the main menu.
PF6
Print the current screen.
PF7
Scroll backward.
PF8
Scroll forward.
PF11
Display the Change Segment Status screen.
PF12
Exit from the Administration menu.
DASD Statistics Screen
The DASD Statistics screen displays statistical data for each page data file within a given segment.
 
HRNADMB2 OSTARSRV DASD STATISTICS FOR SEGMENT 0:METASTOR 2012AUG09 15:57:19
DS# VOLUME PAGES USED FREE READ WRITTEN MAXC ERRORS
1 PAGE1 9000 8078 922 225 5 0 0
2 PAGE2 9000 7834 1166 179 5 0 0
3 PAGE3 9000 7891 1109 207 5 0 0
ENTER-REFRESH PF2-BY PAGE TYPE PF4-SEG STATUS PF7-BACK PF8-FORWARD
 
DASD Statistics Fields
 
Column
Function
DS#
The relative page file numbers (the actual filenames are PAGEds#).
VOLUME
The name of the page file.
PAGES
The total page capacity of the page file. If the number of free pages is less than 15 percent of the total, the free value is highlighted.
USED
Number of used pages in the file.
FREE
Number of free pages in the file. If the number of free pages is less than 15 percent of the total, its value is highlighted.
READ
The current number of physical reads.
WRITTEN
The current number of physical writes as of the last checkpoint.
MAXC
Not used.
ERRORS
Not used.
Key Commands
 
PF1
* 
The DASD Statistics screen uses the same data as the DASD Statistics By Page Type screen. The data is refreshed only if you press Enter to refresh or PF3 and B to redisplay the Segment Status screen.
DASD Stats by Page Type Screen
The Pagestore contains several page types, each with a specific purpose. The DASD Stats By Page Type screen shows physical reads and writes for three page types: data, index, and other.
 
HRNADMB3 OSTARSRV DASD STATS BY PAGE TYPE, SEG 0:METASTOR 2012AUG09 15:57:44
D A T A I N D E X O T H E R
DS# READ WRITTEN READ WRITTEN READ WRITTEN
1 0 3 0 0 225 2
2 0 2 0 0 179 3
3 0 1 0 1 207 3
 
 
ENTER-REFRESH PF2-DASD STATS PF4-SEGMENT STATUS PF7-BACK PF8-FORWARD
 
Page Types Displayed
 
DATA
These pages contain the actual data rows.
INDEX
These pages contain index structures used to navigate indexes and data pages below them. There are a number of index types, including primary data index, secondary index, and parameterized table index.
OTHER
These pages are a catchall for pages not used for the above purposes. They are primarily internal control pages.
Key Commands
 
PF1
Access help information about the current screen.
PF2
Display the DASD Statistics screen.
PF3
Return to the main menu.
PF4
Redisplay the Segment Status screen.
PF6
Print the current screen.
PF7
Scroll screen backward.
PF8
Scroll screen forward.
PF12
Exit the Administration menu.
* 
The DASD Stats By Page Type screen uses the same data as the DASD Statistics screen. The data is refreshed only if you press PF4 to redisplay the Segment Status screen.
Change Segment Status Screen
The Change Segment Status screen allows authorized users (operators) to modify TIBCO Object Service Broker segments.
 
HRNADMB4 OSTARSRV CHANGE SEGMENT STATUS 2012AUG09 14:26:37
 
SEGMENT 0:METASTOR TYPE=TDS
 
STATUS CURRENT REQUESTED
 
ONLINE
 
 
 
 
 
PF9 SCHEDULE SEGMENT OFFLINE REQUEST
PF10 SCHEDULE SEGMENT ONLINE REQUEST
 
 
 
 
PF4-SEGMENT STATUS PF11-ISSUE STATUS CHANGE REQUEST
 
Displaying the Change Segment Status Screen
If you have authority to control segments, tab your cursor to the desired segment number and press PF11 to display the Change Segment Status screen.
Key Commands
 
PF1
Access help information about the current screen.
PF3
Return to the main menu.
PF4
Return to the Segment Status screen without issuing a change request.
PF6
Print the current screen.
PF9
Schedule segment offline request; the segment status must be online.
PF10
Schedule segment online request.
PF11
Request that the status change be sent to the Data Object Brokers.
PF12
Exit the Administration menu.
Copyright © Cloud Software Group, Inc. All Rights Reserved
Copyright © Cloud Software Group, Inc. All Rights Reserved