Differences between the DS14 and DS14mk2 FC

Shelf chassis

Front:

Drive bays are not keyed.

Back:

Power supply bays are not keyed.

Front:

Drive bays are keyed to prevent the use of unsupported drives.

Back:

Power supply bays are keyed to prevent the use of older power supplies that are incompatible.

Existence of a 1-Gb/2-Gb loop-speed switch.

Drives in drive carriers

Drive carriers are unkeyed and cannot be used with DS14mk2 FC.

Drive carriers are keyed and can be used with DS14.

Power supplies

• Power supplies are unkeyed and cannot be used with DS14mk2 FC.
• AC and DC power supplies are available.

• Power supplies are keyed and can be used with DS14.
• Only AC power supplies are available.

LRC

• Requires Data ONTAP^TM 6.0 software or later
• Requires NetCache 5.1 or later
• LRC functions at 1-Gb loop speed

• Requires Data ONTAP 6.4.1 or later
• Requires NetCache 5.5 or later
• LRC functions at 1-Gb loop speed and requires the loop-speed switch to be set at 1-Gb.

ESH

• Requires Data ONTAP 6.2 or later
• ESH functions at 1-Gb loop speed.

• Requires Data ONTAP 6.4.1 or later
• Requires NetCache 5.5 or later
• ESH functions at 1-Gb or 2-Gb loop speed, depending on the system needs.