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

Creating a Nytro Virtual Drive

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

Figure 18. Create Drive Group – Drive Group Settings

1.

Select the RAID level from the RAID level drop-down list.

NOTE  If the Nytro MegaRAID8115-8e8i and Nytro MegaRAID8140-8e8i controller SKUs are used, the RIAD level drop-down list shows RAID 5 and RAID 6 levels.

2.

Select the unconfigured Nytro Flash modules from the Select unconfigured drives drop-down list.

3.

Click Add >.

You can also select one of the unconfigured Nytro Flash modules, click Add Hot Spare >and assign them the hot spare status.

4.

Click Create Drive Group.

5.

Click Next.

The following dialog appears.

Figure 19. Create Nytro Drive Group

6.

To create a Span drive, click Create Span (Spanned drive creation instructions are provided at the end of the document).

7.

Click Next.

The following dialog appears.

Figure 20. Create Virtual Drive – Virtual Drive Settings

8.

For information about the VD parameters, 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.

The dialog confirming the creation of Nytro VD appears.

9.

Click Create Virtual Drive.

The following dialog appears.

Figure 21. Create Nytro Virtual Drive

10.

Click Yes on the Write Through Selected dialog.

The Nytro VD is created as shown in the following dialog.

Figure 22. Create Nytro™ Cache Drive – Dialog 2

11.

Click Next.

The following Nytro virtual drive summary appears.

Figure 23. Create Virtual Drive – Summary

12.

Click Finish.

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