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Planning: MD3600f Series Storage Array Terms and Concepts 53
• Enabling premium features before migration—Before migrating disk
groups and virtual disks, enable the required premium features on the
destination storage array. If a disk group is migrated from a MD3600f
storage array that has a premium feature enabled and the destination array
does not have this feature enabled, an
Out of Compliance
error message
can be generated.
Disk Roaming
You can move physical disks within an array. The RAID controller module
automatically recognizes the relocated physical disks and logically places
them in the proper virtual disks that are part of the disk group. Disk roaming
is permitted when the RAID controller module is either online or
powered off.
NOTE: The disk group must be exported before moving the physical disks.
Advanced Features
The RAID enclosure supports several advanced features:
• Virtual Disk Snapshots
•Virtual Disk Copy
• High Performance Tier
• Remote Replication (this premium feature is supported only in storage
arrays with the Fibre Channel [FC] host ports)
NOTE: Virtual Disk Snapshot, Virtual Disk Copy, High Performance Tier, and Remote
Replication are premium features that must be activated separately. If you have
purchased these features, an activation card is supplied that contains instructions
for enabling this functionality.
Host Server–to–Virtual Disk Mapping
The host server attached to a storage array accesses various virtual disks on the
storage array through its host ports. Specific virtual disk-to-LUN mappings to
an individual host server can be defined. In addition, the host server can be part
of a host group that shares access to one or more virtual disks.
book.book Page 53 Wednesday, June 8, 2011 5:01 PM