Using the Nytro XD Solution on MegaRAID Storage Manager : Creating a Cache Group : Creating a Cache Group in Manual Mode : Adding the Cache Devices

Adding the Cache Devices

1.

Select the required cache device from the Cache devices box, and click Add >.

Figure 15. First-Time Configuration – Add Cache Device to Cache Group

If you have exceeded the maximum cache group limit, the Maximum Capacity Exceeded warning message appears indicating that you are exceeding the maximum cache group capacity. However, you can continue to add the cache device.

NOTE  The maximum allowed cache group capacity is 6.4 TB. For example, if you are adding the cache device for the first time, and if your cache group size is 4 TB, the system lets you add the cache device. However, the system does not permit you to add the cache devices at a later time.

2.

Click Yes to add the selected cache devices to the cache group.

3.

Click Next.

After you click Add > on the preceding dialog, the system detects a master boot record indicating that there is a file system or other known data on the selected cache devices that you have selected to add to the cache group.

*

Every time you add a cache device, which contains content in it, the warning message shown in the following dialog appears.

Figure 16. Data Detected

*

The Nytro XD solution configuration data stored on the cache device would be erased and the memory resources allocated to the cache group would be freed.

*

The cache device might contain foreign configuration if the device was used for caching on a different machine. While adding a cache device, if the device contains a foreign configuration, a warning message is displayed as shown in the preceding figure (for more information, see ).

4.

Click Yes to continue to add the eligible virtual drives.