Expand Or Migrate Arrays - IBM TotalStorage DS300 Best Practices Manual

Figure 4-127 confirm configuration
The logical drive is now twice as large as before.
Figure 4-128 Extended logical drive WOLGA-BOOT

4.8.7 Expand or migrate arrays

With the release of firmware level 6.21 the size of an array can be extended or
the RAID level can be migrated to an other RAID level. To use this function
mostly unused drives are required. The array cannot be smaller after the
operation than before. As long as a synchronize is running the The menu entry
Expand or migrate does not exist.
Follow the steps below to migrate the Array-3 from RAID level 5 to RAID level 10
with 6 drives.
1. Select the array which need to be expanded or migrated. Use the menu
Action → Expand or migrate or the context menu of the array Array-2
Expand or migrate to migrate the Array-2 from RAID level 5 to RAID level 10
with 6 drives instead of 3.
Chapter 4. TotalStorage DS300 and DS400 management
155