Administrator Guide

Set Storage Center Cache Options
Global Storage Center cache settings override cache settings for individual volumes. Read cache improves read performance by
anticipating the next read and holding it in volatile memory. Write cache increases write performance by holding written data in volatile
memory until it can be safely stored on disk.
Prerequisite
The Storage Center must be added to Storage Manager using a Storage Center user with the Administrator privilege.
Steps
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 In the Summary tab, click Edit Settings.
The Edit Storage Center Settings dialog box opens.
3 Click the Storage tab.
4 Select or clear the Read Cache Enabled and Write Cache Enabled checkboxes.
5 Click OK.
Schedule or Limit Data Progression
Schedule when Data Progression runs and limit how long it is allowed to run.
Prerequisite
The Storage Center must be added to Storage Manager using a Storage Center user with the Administrator privilege.
Steps
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 In the Summary tab, click Edit Settings.
The Edit Storage Center Settings dialog box opens.
3 Click the Storage tab.
4 In the Data Progression Start Time eld, select or type the time at which Data Progression starts running daily.
5 From the Data Progression Max Run Time drop-down menu, select the maximum time period that Data Progression is allowed to run.
6 Click OK.
Set RAID Stripe Width
The RAID stripe width controls the number of disks across which RAID data is striped. The stripe widths for RAID 5 and RAID 6 are
independently congured.
Prerequisite
The Storage Center must be added to Storage Manager using a Storage Center user with the Administrator privilege.
Steps
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 In the Summary tab, click Edit Settings.
The Edit Storage Center Settings dialog box opens.
3 Click the Storage tab.
4 From the RAID 5 Stripe Width drop-down menu, select a stripe width of 5 or 9 disks.
5 From the RAID 6 Stripe Width drop-down menu, select a stripe width of 6 or 10 disks.
6 Click OK.
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Storage Center Maintenance