SCEs Flashcards

(11 cards)

1
Q

What does SCE stand for?

A

Shared Computing Enclosure

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2
Q

How many SCEs are there?

A

2

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3
Q

What is inside an SCE?

A

Blade centre servers

Network fabric switches

Backbone switches

SANs

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4
Q

How is processing done in an SCE?

A

Virtual Machines run each sub-system

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5
Q

Why are there 2 SCEs?

A

Redundancy

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6
Q

Explain the redundancy of SCEs

A

The hardware is physically separated and powered from different ship supplies (except chilled water).

Software functions are allocated between the SCEs and automatically recover if an SCE is lost

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7
Q

What tactical applications are implemented on the SCE?

A
  • Command System
  • Sonar 2076
  • Navigation
  • Network Common Functions
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8
Q

How is chilled water managed on an SCE?

A

The Constaflo valve is mounted on the rear of each SCE and controls the flow

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9
Q

What happens to the internal components of an SCE following a loss of chilled water?

A

Temperature will rise

Blade servers will not automatically shutdown

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10
Q

How do you know that temperature is too high in an SCE?

A

Overhear alarm

SDD/MFC health strip

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11
Q

What must be done in the event of SCEs overheating?

A

Dogflaps must be opened to increase cooling

Unnecessary apps can be shutdown (assert single ASC) to reduce processing load

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