Dell PowerEdge M1000e Technical Manual
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Brand: Dell
Category: Chassis , Computer Hardware , Controller , Desktop , Enclosure , Network Hardware , Server , Switch
Type: Technical manual for Dell PowerEdge M1000e
Pages: 71 (3.17 Mb)
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44 PowerEdge M1000e Technical Guide
Half-height servers per power supply configuration Table 12.
Power supply
configuration
Number of servers with
220–240V power
2700W PSUs
Number of servers with
220–240V power
2360W PSUs
Number of servers with
100–120V power
2700W/1350W PSUs
1
2+1
2+2
16 light,
13 medium, or
10 heavy
16 light,
11 medium, or
8 heavy
9 light,
4 medium, or
3 heavy
3+0
3+1
3+3
Any server combination
16 light,
16 medium, or
15 heavy
16 light,
8 medium, or
6 heavy
4+1
4+2
Any server combination
16 light,
13 medium, or
10 heavy
5+1
16 light,
16 medium, or
13 heavy
1
With sufficient facility power available
The following information is also applicable for half-height blade servers:
Throttling (performance reduction to conserve power):
— 220–240V power:
> 2 PSUs — Throttling will occur if heavily configured blades are worked very hard at the
same time.
> 3 PSUs:
o 130W processors — Some throttling will occur if heavily configured blades are worked
hard at the same time.
o 95W or 80W processors — Throttling may happen if all servers are run under a very
heavy load.
> 4 or 5 PSUs — No throttling will occur
— 110V power — Throttling will occur in all power supply configurations if a full set of heavily
configured blades are worked hard at the same time.
Prioritized performance — Under throttling conditions, there will be a performance impact on
the lower-priority servers.
— Dell recommends you choose which servers are prioritized through CMC’s prioritization
feature.
— Multiple low-priority servers can spread out the impact of prioritization. If all servers are the
same priority, they would each experience a slight performance impact as the throttling
would be passed from server to server.
Delayed power-ups — When pushing the limits of the guidelines listed in Table 12, one to three
servers may not be powered on during the initial power-up sequence if all servers were started
simultaneously. The servers may need to be powered on in a second power-up action after the
initial blades go through their post-boot power inventory and allocation.