User manual

Chapter 7: Technology Background
177
The tables below shows the migration options for a source logical drive according
to its RAID level. The available target RAID levels are shown with their
requirements.
You must use WebPAM PRO to migrate a disk array. See “Migrating a Disk
Array” on page 130.
RAID 0
A RAID 0 source logical drive can migrate to the following target logical drives:
RAID 1
A RAID 1 Source logical drive can migrate to the following Target logical drives:
RAID 10
A RAID 10 Source logical drive can migrate to the following Target logical drives:
Target Requirements
RAID 0 Add physical drives.
RAID 1 2 physical drives only.
Only a single-drive RAID 0 can migrate to RAID 1 by adding 1
physical drive.
RAID 10 4 physical drives minimum.
Even number of physical drives.
Target Requirements
RAID 0 None.
RAID 10 4 physical drives minimum.
Even number of physical drives.
Target Requirements
RAID 0 None.
RAID 10 Add physical drives.
Even number of physical drives.