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Change Auditor for EMC 7.4 - User Guide

Introduction

You can create custom search definitions to search for file and/or folder changes to a specific EMC file, folder or volume. You will use the Search Properties tabs across the bottom of the Searches page to define new custom searches.

 

Create custom EMC searches

The following scenarios explain how to use the What tab to create custom EMC searches.

To search for all file system events including EMC events:
* 
NOTE: If you wanted to, you can use the other search properties tabs to define additional criteria:
•
Who - allows you to search for events generated by a specific user, computer or group
•
Where - allows you to search for events captured by a specific agent or within a specific domain or site
•
When - allows you to search for events that occurred within a specific date/time range
•
Origin - allows you to search for events that originated from a specific workstation or server
1
Open the Searches page.
2
In the explorer view (left pane), expand and select the folder where you want to save your search.
Selecting the Private folder will create a search that only you can run and view, whereas selecting the Shared folder will create a search which can be run and viewed by all Change Auditor users.
3
Click New at the top of the Searches page.
This enables the Search Properties tabs across the bottom of the Searches page.
4
On the Info tab, enter a name and description for the search.
5
Open the What tab, expand Add and select Subsystem | File System.
6
On the Add File System Path dialog, select All File System Paths.
7
Review the Actions section and select those that are to be included in the search.
By default, All Actions is selected meaning that all of the actions associated with the file system path will be included in the search.
8
Click OK to save your selection and close the dialog.
9
Once you have defined your search criteria, click Run to save and run the search.
10
When this search runs, Change Auditor searches for all file system events including EMC events and display the results in a new search results page.
To search for events performed against a specific EMC file or folder:
1
Open the Searches page.
2
In the explorer view (left pane), expand and select the folder where you want to save your search.
Selecting the Private folder will create a search that only you can run and view, whereas selecting the Shared folder will create a search which can be run and viewed by all Change Auditor users.
3
Click New at the top of the Searches page.
This enables the Search Properties tabs across the bottom of the Searches page.
4
On the Info tab, enter a name and description for the search.
5
Open the What tab, expand Add and select Subsystem | File System.
6
On the Add File System Path dialog, select one of the following scope options:
•
This Object - select to search only the selected object.
•
This Object and Child Objects Only - select to search the selected object and its direct child objects.
•
This Object and All Child Objects - select to include the selected object and all subordinate objects (in all levels)
7
In the Path field, enter or use the browse button to select the EMC path to be searched.
To search for events against a specific volume, enter the path as follows: \\<CIFSName>\<ShareName>\
To search for events against a specific folder, enter the path as follows: \\<CIFSName>\<ShareName>\<FolderName>\
To search for events against a specific file, enter the path as follows: \\<CIFSName>\<ShareName>\<FolderName>\<FileName>
* 
NOTE: If the scope of your search is This Object, you can use the * wildcard character to specify the EMC path. That is, use an asterisk (*) to substitute zero or more characters.

When using the This Object option, be sure to select the appropriate Type option to define the type of path to be searched: Files or Folders.

8
Review the Actions section and select those that are to be included in the search.
By default, All Actions is selected meaning that all of the actions associated with the path will be included in the search.
When the scope includes child objects, All Types are selected by default meaning that all types of paths will be searched. If you selected the This Object scope option, Files is selected by default, which can be changed to Folders. Only one type can be selected.
* 
NOTE: The Transaction option does not apply to EMC events.
9
Click OK to save your selection and close the dialog.
10
Click Run to save and run the search. Click Save to save the search definition without running it.
11
When this search runs, Change Auditor searches for EMC events in the selected path and display the results in a new search results page.
To search for a specific EMC event class:
1
Open the Searches page.
2
In the explorer view (left pane), expand and select the folder where you want to save your search.
Selecting the Private folder will create a search that only you can run and view, whereas selecting the Shared folder will create a search which can be run and viewed by all Change Auditor users.
3
Click New at the top of the Searches page.
This enables the Search Properties tabs across the bottom of the Searches page.
4
On the Info tab, enter a name and description for the search.
5
Open the What tab, click Add (or expand Add and select Event Class).
6
On the Add Facilities or Event Classes dialog, enter EMC in the filter field under the Facility heading to display all of the EMC events.
7
From this list, select one or more events and use the Add | Add This Event option to add the selected events to the list box at the bottom of the dialog. Click OK to save your selection and close the dialog.
8
Click Run to save and run the search. Click Save to save the search definition without running it.
9
When this search runs, Change Auditor searches for the EMC events based on the search criteria specified on the What tab and display the results in a new search results page.

 

Performance Considerations

This section contains strategies to help minimize performance issues.

•
Change Auditor agent performance
•
Configuring audit scope

Change Auditor agent performance

Performance is directly linked to the CPU speed and network latency of the server hosting the Change Auditor agent collecting the EMC events.

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Hardware considerations
•
Load balancing
Hardware considerations

To improve agent performance, you can:

•
Upgrade the link between the EMC file server and the Change Auditor agent to decrease network latency.
•
Add extra CPUs to the current agent or select a more powerful agent host with more CPUs or CPU cores available.

See System overview for more information.

Load balancing

You can also improve performance by assigning an EMC Auditing template to more than one agent. When multiple agents are assigned to the same EMC Auditing template, events will be load balanced and events will be sent to each agent round-robin style.

* 
TIP: Quest recommends that you specify no more than two agents; however, you can specify more than two agents if you find the need. The downside to assigning multiple agents to the same EMC Auditing template is that the ‘where’ field for EMC events may contain any one of these agents. In addition, if EMC event logging is enabled in Change Auditor, events will be written on multiple agent servers.
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