Chapter 2: Hardware Overview
StorNext M660 Components
22 StorNext M660 Metadata Appliance Hardware Guide
Caution: When correcting a power supply mismatch, replace only
the power supply with the flashing indicator. Swapping the
opposite power supply to make a matched pair can result
in an error condition and unexpected system shutdown. To
change from a High Output configuration to an Energy
Smart configuration or vice versa, you must power down
the system.
Caution: The AC power supplies, which come with the system,
support both 220 V and 110 V input voltages. When two
identical power supplies receive different input voltages,
they can output different wattages, and trigger a
mismatch.
Caution: Combining AC and DC power supplies is not supported and
triggers a mismatch.
StorNext M660
Metadata Array
The StorNext M660 features the following Metadata Arrays:
• StorNext M660 Metadata Array on page 22
• StorNext M660 Metadata Expansion Unit on page 31
StorNext M660 Metadata Array
The StorNext M660 Metadata Array features a fully- 24-drive 2U storage
enclosure. The first two drives are global hot spares. The next six are
configured into three 1+1 RAID-1 mirrors. These mirrored sets are split
Alternating green and amber When hot-adding a power supply, this indicates that the
power supply is mismatched with the other power supply (a
high-output power supply and an energy smart power supply
are installed in the same system). Replace the power supply
that has the flashing indicator with a power supply that
matches the capacity of the other installed power supply.
Indicator Status Indicator Code
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