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Raid mode options – Dulce Systems Duo-FireWire User Manual

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Page 22

Duo-FireWire Installation and User’s Manual

6.2.

Daisy Chain FireWire devices.

The two FireWire 800 ports on the Duo-FireWire can be used to daisy chain

multiple devices. The FireWire interface design limit is for 63 devices, but we

recommend limiting the chain to four devices.

All the devices must be turned on for down stream devices to be seen by the

computer. There should be no performance degradation as a result of daisy

chaining.

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Duo-FireWire Installation and User’s Manual

7. RAID Mode Options

This procedure will erase all data on the Duo-FireWire.

Changing RAID Mode will cause your existing data on the Duo-FireWire to be

erased. Make sure any important data is backed up.

• Delete the existing partition with the disk format utility.
• Shutdown computer or eject the Duo-FireWire.
• Turn off the Duo-FireWire.
• Use a pointy device and change the Operating Mode to the desired setting
• Turn on the Duo-FireWire.
• Format / Partition using the Operating System.

Consult the Operating section to get familiar with the DISK Activity Indicators for

the particular mode selected.


Operating

Mode

RAID

Level Description

Advantage

Disadvantage

Ideal for

2

0

Striping

disk drives.

Highest

performance.

No disk

redundancy,

one drive

failure will lose

all data.

Highest

resolution

SD, HDV, DV

and

maximum

multiple

streams.

0

1

Mirroring

disk drives.

Highest

redundancy.

Capacity and

performance

of 1 disk drive.

Data

protection is

paramount,

maximum

disk failure

protection.

1

SPAN

Linking

disk drives.

Mix un-equal

sized disk

drives.

No

redundancy,

performance

of one disk

drive.

Use up extra

spare drives.

3

JBOD

Just a

Bunch

of Disks.

Each drive

can be

accessed

individually

from operating

system.

No

redundancy,

performance

of one disk

drive.

Audio

applications.