Nytro Flash Module Configuration : Configuring the Nytro Flash Module : Configuring the Nytro Flash Modules By Using the MegaRAID Storage Manager Software : Creating a Nytro Cache Drive and Nytro Virtual Drive

Creating a Nytro Cache Drive and Nytro Virtual Drive

If you select the Create Nytro Cache and Nytro Virtual Drive mode, and click Next, the following dialog appears.

Figure 12. Create Nytro Drive Group

1.

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

After you select an unconfigured Nytro Flash module, the Add button is enabled.

2.

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

If you select more than one Nytro Flash modules, the Create Drive Group button is enabled as shown in the following figure.

3.

Click Create Nytro Drive group.

Figure 13. Create Nytro Drive Group

4.

Click Next.

The following dialog appears.

Figure 14. Create Nytro Cache Drive

For information about the VD parameters shown in the preceding figure, see Specifying the Virtual Drive Parameters.

Based on your selection, that is, RAID 1 or RAID 0, the write policy is Write Back.

Nytro Write Back Caching

RAID 1 Write Back 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 Cache drive group appears in the Nytro™ Drive groups box on the right pane as shown in the preceding figure.

NOTE  After you create a Nytro Cache drive (see the Nytro Cache Drive check box in the preceding figure), all of the other drives are Nytro virtual drives.

5.

Click Create Virtual Drive.

Figure 15. Create Nytro Cache Drive (VD)

Figure 16. Create Nytro Cache Drive – Summary Free Capacity

6.

Click Next.

7.

Click Yes on the Write Through Selected dialog.

8.

Click Next.

The following Nytro Cache drive group summary appears.

Figure 17. Create Virtual Drive – Summary

9.

Click Finish.

Select the Logical tab on the MegaRAID Storage Manager window to check the details of the Nytro Cache drive and Nytro virtual drive.