Datasheet

Chapter 8. Storage pools 315
Draft Document for Review January 29, 2013 12:52 pm 8068ch08-Storage Pools.fm
The MDisks by Pools window (Figure 8-25) lets you manage all MDisks made of both internal
and external storage.
Figure 8-25 MDisks by Pools window
The window provides the following information:
򐂰 MDisk name
򐂰 Numerical ID
򐂰 Status
򐂰 Capacity
򐂰 Mode
򐂰 Name of the storage pool it belongs to
򐂰 Name of the backing storage system for MDisk on external storage
򐂰 MDisk’s LUN ID from external storage systems
򐂰 Assigned storage tier
Not all the above values may show by default, but can be enabled by right-clicking the blue
bar above the MDisk groups.
You can find more information about attaching external storage to an IBM Flex System V7000
Storage Node storage system in Chapter 11, “SAN Connections and Configuration” on
page 431.
In the IBM Flex System V7000 Storage Node there are four modes for MDisks:
򐂰 Array: Array mode MDisks are constructed from internal drives using the RAID
functionality. Array MDisks are always associated with storage pools (also known as
MDisk Groups).
򐂰 Unmanaged: The MDisk is not a member of any storage pools, which means it is not being
used by the IBM Flex System V7000 Storage Node storage system. LUNs presented by