Raid Level Migration - Promise Technology FastTrak TX2200 User Manual

See "Logical Drive Migration and Expansion" on page 74.
Expansion takes place on an existing Functional logical drive without disturbing
the existing data. While the logical drive is expanding, you can access the data as
before. When expansion is complete, your logical drive will have a larger
capacity.
The following table lists the Expansion option supported by FastTrak TX Series.
From
RAID 0: 1 drive
JBOD
Expansion is not available for JBOD. Delete the JBOD to make it an
unassigned physical drive. See "Delete a Logical Drive" on page 72.
Then you can add the unassigned physical drive to an existing single-drive
RAID 0 logical drive, as shown in the table above.

RAID Level Migration

To migrate a logical drive is to change its RAID level. The FastTrak TX Series
RAID controller card supports RAID Level Migration. You must use the WebPAM
software to access this function.
See "Logical Drive Migration and Expansion" on page 74.
Migration takes place on an existing Functional logical drive without disturbing
the existing data. While the logical drive is migrating, you can access the data as
before. When migration is complete, your logical drive will have a different RAID
level and/or a larger capacity.
The following table lists the RAID Level migration option supported by FastTrak
TX Series.
From
RAID 0: 1 drive
RAID 0: 2 drives
Before you begin a logical drive Expansion, always back up your
important data.
RAID 1: 2 drives
To
Increased performance
and capacity
Caution
To
Adds redundancy
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Chapter 6: Technology
Result
Result