Administrator Guide

The Change Cache Settings window is displayed.
2. In Start demand cache flushing , select or enter the percentage of unwritten data in the cache to trigger a cache flush .
3. Select the appropriate Cache block size.
A smaller cache size is a good choice for file-system use or database-application use. A larger cache size is a good choice for
applications that generate sequential I/O, such as multimedia.
4. If you have set a password for the selected storage array, the Enter Password dialog is displayed. Type the current password for the
storage array and click OK.
Changing expansion enclosure ID numbers
When an MD3060e Series expansion enclosure is connected to an MD Series storage array for the first time, an enclosure ID number is
assigned and maintained by the expansion enclosure. This enclosure ID number is also shown in the MD Storage Manager and can be
changed if required.
To change the enclosure ID numbers:
1. In the AMW, from the menu bar, select Hardware > Enclosure > Change > ID.
2. Select a new enclosure ID number from the Change Enclosure ID list.
The enclosure ID must be between 0 and 99 (inclusive).
3. To save the changed enclosure ID, click OK.
Changing the enclosure order
You can change the order of the RAID controller modules and the expansion enclosures to match the hardware configuration in your
storage array. The enclosure order change remains in effect until it is modified again.
To change the enclosure order:
1. In the AMW, from the menu bar, select Hardware > Enclosure > Change > Hardware View Order.
2. From the enclosures list, select the enclosure you want to move and click either Up or Down to move the enclosure to the new
position.
3. Click OK.
4. If you have set a password for the selected storage array, the Enter Password dialog is displayed. Type the current password for the
storage array.
5. Click OK.
Configuring alert notifications
The MD Storage Manager can send an alert for any condition on the storage array that requires your attention. Alerts can be sent as e-
mail messages or as Simple Network Management Protocol (SNMP) trap messages. You can configure alert notifications either for all the
storage arrays or a single storage array.
To configure alert notifications:
1. For all storage arrays, in the EMW:
a. Select the Setup tab.
b. Select Configure Alerts.
c. Select All storage arrays.
d. Click OK.
The Configure Alerts dialog is displayed.
2. For a single storage array:
a. Select the Devices tab.
b. Select the relevant storage array, then select Edit > Configure Alerts.
The Configure Alerts dialog is displayed.
3. Configure e-mail or SNMP alerts.
For more information, see Configuring E-mail Alerts or Configuring SNMP Alerts.
Configuring e-mail alerts
1. Open the Configure Alerts dialog by performing one of these actions in the EMW:
Discovering and managing your storage array
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