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Handbook of Sustainable Design of Digital Services

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Hosting    ODD#7     ODD#8     ODD#12    

Are servers / routers turned off when not in use ?

Recommendation 

Energy

C People

A Planet

C Prosperity

Difficulty

**

Priority

High

Récurrence

Periodic

Tests

Are shutdown procedures for unused servers in place?

Precisions

The network infrastructure is at the heart of the architecture of data centers, redundancy and over-dimensioning mechanisms are widely deployed but used on an ad hoc basis. In the absence of need and when this does not impact the safety of the site, the excess equipment should be de-energized to reduce energy consumption and cooling needs.

Use Case

Hosting technical documentation defines activation / desactiivation of resources depending on load

1 - Equipment which does not require permanent operation is systematically switched off and not put on standby.

Additional elements

Operational issues related to the project

Posts

Rule for assessing the level of compliance of the criterion

Formalized = 100 ; Planned = 75 ; Identified = 50 ; Ignored = 0 / 100

Life cycle

Déploiement

11 other criteria related to the recommendation: Adapt the use of technical equipment to needs

Recommendation Essential

Systems (software)

Is the size of the physical park in line with the number of virtual machines to be run ?

Recommendation

Systems (software)

Is the allocated memory based on actual use ?

Recommendation

Systems (software)

Is the number of CPU cores allocated based on actual use ?

Advice

Systems (software)

Is the technical choice (shared, dedicated, clustered) optimised between the actual need and energy efficiency ?

Recommendation

Systems (software)

Are unused cores disabled ?

Recommendation

Systems (software)

Is the backup system incremental (disk optimization) ?

Advice

Systems (software)

Is the use of containers over virtual machines preferred ?

Advice

Systems (software)

Are Open Source solutions implemented when available ?

Recommendation

Equipment (hardware)

Is high availability designed in a modular fashion ?

Recommendation

Equipment (hardware)

Is provisioning / deprovisionning dynamic depending on the load ?

Recommendation

Equipment (hardware)

Do storage solutions reduce the number of components (for example: high density SSD media) ?