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There are two fundamental functions which are available within this option:
Migrate the RAID level of the selected RAID Array Drive
(RAID 0-> RAID 4 and vice versa, RAID 0 -> RAID 5 and vice versa)
Expand the capacity of the selected Array Drive by adding one or several new hard disks
Both functions can be selected at the same time. E.g., migrate from RAID 0 to RAID 5 and
add a new drive.
To initiate a migration or expansion with a RAID 4/5 Array Drive, the state must be
ready
.
The data on the Array Drive remain intact and are not affected by the expansion.
The additional capacity is introduced as new Host Drive.
If a Logical Drive fails during the expansion, the expansion process continues until the ex-
pansion is finished. The Array Drive changes into the
fail
state.
The new capacity is available as a new Host Drive. Windows NT (Tool: Disk Administrator)
and Novell NetWare (
Scan for new Devices
and then Tool: Install) allow the online integration
of new disk capacity.
Depending on the RAID level the current Array Drive has, selecting a different one here, will
cause the Migration of the RAID level of the Array Drive. If you select the same RAID level,
the following procedure will expand the capacity of the Array Drive, only.
