Configuring the Flash and Caching Features : Manual Configuration

Manual Configuration

The following procedure lets you perform the Manual configuration:

1.

Right-click on a controller in the device tree in the left pane of the MegaRAID Storage Manager (MSM) Window.

2.

Select Create Nytro™ Cache.

The Create Nytro™ Cache Drive dialog appears.

Figure 19. Create Nytro Cache Drive group – First Screen

3.

Select a RAID level for the Nytro cache drive from the RAID level drop-down list.

After you select an unconfigured Nytro cache drive, the Add button is enabled as shown in the following figure.

Figure 20. Create Nytro Cache Drive group – Second Dialog

4.

Click Add to add the selected Nytro Flash drive into the Nytro Cache Drive Group box on the right pane.

After you click Add, the Create Nytro™ Drive group button is enabled.

5.

Click Create Nytro™ Drive group.

6.

Click Next.

7.

Provide a name in the Nytro™ Cache drive name box.

Based on your selection, that is, RAID 1 or RAID 0, both the write policies (WB and WT).

The Create Nytro™ Drive – Third Dialog appears.

Figure 21. Create Nytro Cache Drive

Nytro Write Back Caching

RAID 1 WB caching delivers high application performance acceleration for write-intensive random I/O workloads.

Nytro Write Through Caching

RAID 0 and RAID 1 Write Through caching delivers high application performance acceleration for read-intensive random I/O workloads.

The newly created Nytro drive group appears in the Nytro™ Drive groups box on the right pane as shown in the preceding figure.

The dialog confirming the creation of Nytro cache drive appears.

8.

Click Create Virtual Drive.

9.

Click Next.

The Create Nytro Cache Virtual Drive first dialog appears.

Figure 22. Create Nytro Cache Virtual Drive – First Dialog

10.

Click Next.

The following dialog appears.

Figure 23. Create Nytro Cache Virtual Drive – Second Dialog

11.

Click Next.

The following summary dialog appears.

Figure 24. Create Nytro™ Cache – Summary

Check the details added.

12.

Click Finish.

Select the Logical tab on the MSM application window to check the details of the Nytro cache drive.