Installation Manual

Discovering Switches, Storage Systems, NAS Devices, and Tape Libraries168
1. Select the check boxes for the elements you want to remove from quarantine on the Discovery
Data Collection page.
Quarantined elements appear with a flag ( ) in the Quarantined column on the Discovery
Data Collection page.
2. Click Clear Quarantine.
3. When you are asked if you want to remove the selected elements from quarantine, click OK.
The next time you perform Discovery Data Collection for the element, the management server
gathers data from the element.
Updating the Database with Element Changes
After you have initially discovered elements, information about them might change. To update the
database with these changes, perform the steps described in this section.
Keep in mind the following:
• If you are adding, removing or replacing McDATA or Connectrix switches, you must use a
different procedure. For more information, see ”Managing McDATA and EMC Connectrix
Switches” on page 132.
• Running Discovery Data Collection takes time. You might want to run this process when the
network and the managed elements are not busy.
To update the database:
1. Select Options > Storage Essentials > Discovery > Run Discovery Data Collection.
2. Select Include infrastructure details, which gathers information about SAN details.
NOTE: Include backup details is used for gathering information for Backup Manager. You
do not need to select it unless you have already discovered hosts running backup
applications and installed CIM extensions on those hosts. For more information about
discovering master backup servers, see ”Step 1 — Discovering Your Hosts and Backup
Manager Hosts” on page 297.
3. The management server obtains most of its information from device managers for storage
systems with external databases, such as HP, HDS, and EMC storage systems. Select Force
Device Manager Refresh if you want the management server to tell the device managers for
your storage systems to obtain the latest information. If you do not select Force Device Manager
Refresh, the management server gathers information from the external databases based on the
assumption the information in the external database is up-to-date.
For more information, see the following topics: ”Excluding EMC Symmetrix Storage Systems
from Discovery” on page 136 and ”Excluding EMC Symmetrix Storage Systems from a Forced
Device Manager Refresh” on page 137.
4. Click Get Details.
5. Select Tasks & Logs > View Storage Essentials Log to View the status of the gathering of element
details. For more information, see ”Viewing Log Messages” on page 160.