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  • Started getting done. About $170/ headnode every ~4 years.

CCB Headnodes headnodes' UPS status:

Cluster

Done

Not done

Notes

Collum

X
Spring'14

 


Lancaster, with Crane (new)

X
Spring'14

 

Funded by Crane.

Hoffmann

X
Spring'14

 

 

Scheraga

X
Fall'14

 

See below chart for s4 tand-alone computational computers

Loring

 

X

Unique: Need to do ASAP

Abruna

 

X

Unique: Need to do ASAP

C4 Headnode: pilot
Widom's 2 nodes there.

X
Old UPS

 

Provisioned on the margin, since still a pilot.
(Not funded by Widom.)

Widom

 

X

See "C4", above

Stand-alone computers' UPS status:

Computer

Done

Note done

Notes

Scheraga's 4 GPU rack-mounted computational computers

 

X

Need to protect?
Data point: Feb'14 outage resulted in one of these not booting up correctly.

NMR web-based scheduler

X
Spring'14

 

 

Coates: MS SQL Server

 

X

Unique: Need to do ASAP

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  • ~20 20amp UPS's ($900 each) required.
  • Estimates are simply back-of-the-envelope calculations.
  • If were to actually implement, there may be smarter ways to do this, but the total cost will likely not be lower.
    • In fact, costs may be higher, if sufficiently higher benefit doing it a different way, for example.
  • Issues and concerns with actually implementing this approach:
    • Costs. Rack space. Maybe power. Maybe cord lengths. What other issues?

Compute node counts, for UPS pricing estimates. Does not include head node:

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