Dell PERC S130, User Manual

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Managing the physical disk write cache policy
Perform the following procedure to enable the physical disk write cache policy:
1. Enter the Dell PERC S130 Configuration Utility . See Entering the DELL PERC S130 Configuration Utility .
2. Click Physical Disk Management → Select Physical Disk Operations .
3. Click the link Manage Physical Disk Properties .
The Manage Physical Disk Properties screen is displayed.
4. Choose from the following physical disk write cache policies:
Physical disk
write cache
policies
Description
Default The physical disk write cache feature is enabled for:
•
SSDs
• 3 Gbps HDDs
The physical disk write cache feature is disabled for 6 Gbps HDDs.
Enable The feature is enabled on the disk selected.
Disable The feature is disabled on the disk selected.
5. Click Apply to save the changes made.
NOTE: Ensure that you change the physical disk write cache policy of a global hot spare disk after rebuild to the
write cache policy of the last configured virtual disk.
NOTE: In the View Virtual Disk Properties screen, ensure that the physical disk write cache setting is consistent
across the physical disk(s) associated with the virtual disk.
NOTE: If you have Linux RAID configured on the system, you cannot modify the physical disk write cache policy
feature settings.
NOTE: For more information about the physical disk write cache behavior, see the Troubleshooting your system
section.
Selecting the 4Kn sector size
1. Enter the Dell PERC S130 Configuration Utility . See Entering the DELL PERC S130 Configuration Utility .
2. Click Virtual Disk Management → Create Virtual Disks .
3. Click the link Select the Physical Disk .
4. Select 4Kn sector size.
5. To save the changes made, click Apply Changes .
Assigning the global hot spare
1. Enter the Dell PERC S130 Configuration Utility . See Entering the DELL PERC S130 Configuration Utility .
2. Click Physical Disk Management → Select Physical Disk Operations .
NOTE: Assign global hot spare only from disk drives populated across slots 0-3 of the system. For information about
the disk connectivity for AHCI devices, see
Disk connectivity for AHCI devices ,and for disks slot information, see the
system specific Owner's Manual at dell.com/poweredgemanuals.
3. Select the physical disk that is in the ready state from the drop-down menu.
4. Click the link Assign Global Hot Spare .
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