The sp_logmon monitoring script helps prevent situations where you must resynchronize your data because the Oracle redo logs wrapped before Capture was finished reading them. It monitors the redo log group to which Oracle currently is writing and determines which log SharePlex is reading.
If Capture loses pace by a specified number of logs, sp_logmon generates a warning in the logmon.log file and in an e-mail message, if that option is enabled. This gives you time to correct the cause of the delay and restore the archive logs, if necessary.
Before running the script, perform the following tasks.
See Requirements for using the monitoring scripts before you use this script. Note: The script must be run in the ksh shell.
To use the e-mail notification feature, define the e-mail address(es) in the script before running it.
Add any number of address strings after the MailUserName= variable. Use the full e-mail and/or pager address. Separate multiple entries with a comma, as shown in the following example:
MailUserName=scott@company.com,12345678910@pageservice.com
Important! If the person modifying the script is someone other than a SharePlex user, he or she needs to have these Oracle privileges:
Run the script from the util sub-directory of the SharePlex product directory, not from app-modules. When you run it from the util directory, you actually make a soft link that runs a utility which first sets up the correct environment before running the script itself.
Syntax
nohup sp_logmon -p port -t interval -l integer [-m ] [/dev/null] &
Table 4: Required arguments
| Argument | Description |
|---|---|
| nohup sp_logmon | Directs the script to continue running in the background if the user logs out. This ensures continuous monitoring. The sp_logmon component runs the script. |
| -p port | Sets the port number for the instance of sp_cop that you are monitoring. You can monitor different SharePlex instances by running sp_logmon for each one, using different values for this argument. |
| -t interval | Sets the time interval between scans in seconds. The value can be any positive integer. |
| -l integer | Sets the maximum permissible number of redo logs between where Oracle is writing and where Capture is reading. This value triggers the warning generated by sp_logmon. Valid values are positive integers from 1 to the number of redo logs in the group. |
| & | Runs the script in the background. |
Table 5: Optional arguments
| Argument | Description |
|---|---|
| /dev/null | Redirects the notification output to the /dev/null device on the local system so that the monitoring process continues to run in the background and generate output. To have the output appear on screen, omit this argument. |
| -m | Enables the e-mail/paging option. Without this parameter, sp_logmon only logs errors to the log file. |
The sp_eventmon monitoring script monitors the SharePlex Event Log (event_log) at set intervals for entries relating to key replication events. You can define the scan interval and the error messages you want the script to detect. Each scan starts where the previous one stopped to keep the impact on the system minimal and prevent duplicate warnings.
The sp_eventmon script takes the following actions after each scan of the Event Log:
Before running the script, perform the following tasks.
See Requirements for using the monitoring scripts before using this script. Note: The script must be run in the ksh shell.
The sp_eventmon script scans for events listed in the error_list file, located in the util sub-directory of the SharePlex product directory. View that file for more information about the supported errors. You can add custom error strings to the error_list file by editing it in any ASCII text editor. Open the file and place each error string on a separate line.
The IW_HOME variable in the script must be set to the correct value on each machine. This variable must point to the directory in which the monitoring scripts and iwgrep reside.
If the path is not correct:
Set the path as shown in the following example:
IW_HOME=/export/home/splex/monscripts
To use the e-mail notification feature, define the e-mail address(es) in the script before running it.
Add any number of address strings after the MailUserName= variable. Use the full e-mail and/or pager address. Separate multiple entries with a comma, as shown in the following example:
MailUserName=scott@company.com,12345678910@pageservice.com
NoteS:
Use the truncate log command in sp_ctrl to truncate the Event Log frequently when you are running the sp_eventmon script. If the log grows too large, the iwgrep program cannot grep from it properly. When you issue the truncate log command, remove the username.mrk file. The next time you run sp_eventmon it will create a new file. See the SharePlex Reference Guide for more information about the truncate log command.
When there is an existing Event Log with errors in it and the script is running, issue the truncate log command and then delete the sp_cop_name.mrk file, where sp_cop_name is the value used in the -s argument when the script was run. This file is in the util sub-directory of the SharePlex product directory.
To run sp_eventmon
Run the script from the util sub-directory of the SharePlex product directory, not from app-modules. When you run it from the util directory, you actually make a soft link that runs a utility which first sets up the correct environment before running the script itself.
Syntax
nohup sp_eventmon -s 'sp_copname' -t interval -p path [-n name ] [-m] /dev/null &
Table 6: Required arguments
| Component | Description |
|---|---|
| nohup sp_eventmon |
Directs the script to continue running in the background if the user logs out. This ensures continuous monitoring. The sp_eventmon component runs the script. |
|
-s 'sp_copname' |
Sets the name of sp_cop that was used when sp_cop was started with the -u option. The name of sp_cop must be enclosed within single quote marks. You can use this parameter more than once to monitor multiple sp_cop instances on a system. Without this parameter, sp_eventmon will not start. |
| & |
Runs the script in the background. |
| -t interval |
Sets the time interval between scans in seconds. The value can be any positive integer. |
Table 7: Optional Components
| Component | Description |
|---|---|
| -p path | Sets the path to the SharePlex variable-data directory. Without this variable, sp_eventmon assumes the default path. |
| /dev/null | Redirects the notification output to the /dev/null device on the local system so that the monitoring process continues to run in the background and generate output. To have the output appear on screen, omit this argument. |
| -n name | Sets the name of the Event Log if it is something other than the default name “event_log.” |
| -m | Enables the e-mail/paging option. Without this option, sp_eventmon only logs errors to the log file. |
The sp_ps monitoring utility monitors all SharePlex processes, including child processes, associated with a specified sp_cop instance. It scans the processes at regular intervals and reports abnormal conditions to one or more log files. It can monitor multiple installations of SharePlex on one or more systems, and it supports uni-directional and bi-directional (peer-to-peer) configurations.
Before running the script, perform the following tasks.
See Requirements for using the monitoring scripts before using this script. Note: The script must be run in the ksh shell.
The scan interval specifies how long the sp_ps program waits between checks. The default is 2,000 seconds. To specify a different scan interval, follow these steps.
Set the interval= parameter to the required scan interval. Use any positive integer, for example:
interval=1500
To use the e-mail notification feature, define the e-mail address(es) in the script before running it.
Add any number of address strings after the MailUserName= variable. Use the full e-mail and/or pager address. Separate multiple entries with a comma, as shown in the following example:
MailUserName=scott@company.com,12345678910@pageservice.com
Note: The e-mail/paging option is enabled by default for sp_ps, but confirm that it was not changed. In the script, MAILOPTION=TRUE enables e-mail notifications and MAILOPTION=FALSE disables them.
Run the script from the util sub-directory of the SharePlex product directory.
Syntax
nohup sp_ps ['sp_cop -u name'] CONFIGURATION [> /dev/null] [ &]
Table 8: Required arguments
| Argument | Description |
|---|---|
| nohup sp_ps | Directs the script to continue running in the background if the user logs out. This ensures continuous monitoring. The sp_ps component runs the script. |
| 'sp_cop -u name' | Use this parameter if you are running more than one sp_cop process. Use it to specify each one of those processes that you want to monitor. This argument must reflect exactly the same name that was used when sp_cop was started with the -u option. It must be enclosed within single quote marks.Without the -uname option, sp_ps assumes you want to monitor the sp_cop that uses the default SharePlex port of 2100. |
| CONFIGURATION |
Specifies the type of configuration of the SharePlex instance being monitored. This value must be entered in CAPITAL letters. Valid values: SOURCE — Use for uni-directional replication to monitor the Capture, Read and Export processes on the source system. TARGET — Use for uni-directional replication to monitor the Import and Post processes on the target system. MULTI-SOURCE — Use for peer-to-peer replication. It directs the script to monitor the Capture, Read, Export, Import and Post processes on each system. Note: If replicating between source and target tables on the same system, there are no Export or Import processes. |
| > /dev/null | Redirects the notification output to the /dev/null device on the local system so that the monitoring process can continue to run in the background and generate output. To have the output appear on screen, omit this argument |
| & | (Ampersand) Runs the script in the background. |
The sp_qstatmon script monitors the status of the capture and post queues for message backlogs. You can configure the script to alert you if the number of messages in a queue exceeds a defined threshold (limit), indicating that there is a potential data, system or network problem. This gives you time to correct the problem before the queues exceed their allocated space on the filesystem.
After each analysis of the queues, the sp_qstatmon script prints a notice in the capstat.log file for the capture queue or the poststat.log file for the post queue, as well as an e-mail message if that option is enabled.
Before running the script, perform the following tasks.
See Requirements for using the monitoring scripts before using this script. Note: The script must be run in the ksh shell.
The script creates some temporary files in the util sub-directory of the SharePlex product directory. Assign write permission to that directory to the sp_qstatmon module.
To execute sp_qstatmon with e-mail notification, you must first must define the e-mail address(es) in the script. Notification messages are sent to all addresses coded in the script. Unless email notification is enabled, sp_qstatmon only logs errors to the log file.
You can specify as many addresses as you want.
Add the address strings after the MailUserName= variable. Use the full e-mail and/or pager address. Separate multiple entries with a comma, as shown in the following example.
scott@company.com, 12345678910@pageservice.com
Run the script from the util sub-directory of the SharePlex product directory, not from app-modules. When you run it from the util directory, you actually make a soft link that runs a utility which first sets up the correct environment before running the script itself.
Syntax
nohup sp_qstatmon -v path -t n -p port_number [-c integer ] [-d integer ] [-m] > /dev/null &
Table 9: Required arguments
| Argument | Description |
|---|---|
| nohup sp_qstatmon | Directs the script to continue running in the background if the user logs out. This ensures continuous monitoring. The sp_qstatmon component runs the script. |
| -v path | Sets the path to the SharePlex variable data directory for the instance of sp_cop that you want to monitor. Without this variable, sp_qstatmon fails and prints an error message requesting a valid path. |
| -t n | Sets the time interval between scans in seconds. This value can be any positive integer. |
| -p port | Sets the port number for the instance of sp_cop that you are monitoring. You can monitor different SharePlex instances by running sp_qstatmon for each one, using different values for this argument. |
| & | Runs the script in the background. |
Table 10: Optional arguments
| Argument | Description |
|---|---|
| /dev/null | Redirects the notification output to the /dev/null device on the local system so that the monitoring process continues to run in the background and generate output. To have the output appear on screen, omit this argument. |
| -c integer | Sets the number of messages in the capture queue at which the script issues a warning message. This value can be any positive integer. Without this parameter, sp_qstatmon defaults to 100 messages. |
| -d integer | Sets the number of messages in the post queue at which the script issues a warning message. This value can be any positive integer. Without this parameter, sp_qstatmon defaults to 100 messages. |
| -m | Enables the e-mail/paging option. Without this parameter, sp_qstatmon only logs errors to the log file. |
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