Chapter 8. Storage pools 353
Delete: An Array MDisk can be deleted by clicking RAID Actions Delete. A
confirmation of the deletion by entering the correct number of MDisks to be deleted is
required (Figure 8-50). You need to confirm the number of array MDisks you want to
delete. If there is data on the MDisk, it can be deleted only by checking the item Delete
the RAID array MDisk even if it has data on it. The system migrates the data to other
MDisks in the pool.
Figure 8-50 Delete Array MDisks window
Data on MDisks is migrated to other MDisks in the pool, assuming enough space is
available on the remaining MDisks in the pool. After deleting an MDisk from a pool, its
member drives return to candidate mode.
8.2.4 Selecting the tier for MDisks
The IBM Flex System V7000 Storage Node Easy Tier feature is described in 2.6.12, “Easy
Tier” on page 71. In this section, we show how to adjust the tier settings.
There are two tiers:
Generic SSD tier for storage made of solid-state drives, which is the faster-performing
storage
Generic HDD tier for everything else
Available capacity: Make sure that you have enough available capacity left in the
storage pool for the data on the MDisks to be removed.
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