Ultra-Dense Server Deployment in Racks

Compaq Ultra-Dense Server Deployment in Compaq Racks 43
128H-0400A-WWEN
3.9 Configuration-I: 35 Servers, Stand-Alone Rack, Low
Voltage
This configuration is a recommended practice for a low voltage facility with server management via local
console, where a 42U rack has to “stand-alone,” that is, all the necessary local console management
devices are to be populated in the same rack. The network cables are routed to the network switches
located off-rack. An example application for this configuration may be for co-location facilities.
Up to 35 ProLiant DL360 servers can be installed in this configuration. Note that although the Compaq in-
rack keyboard (with trackball) takes up 1U space, a Server Console Switch can be installed at the back of
the keyboard. The Compaq in-rack flat panel display (FPD) unit takes up 2U space when it is fully
retracted inside the rack.
If the network switches are also need to be installed in the same rack, then 2U spaces will be required, that
is, only 33 ProLiant DL360 servers can be installed.
Configuration-I Summary
Rack Contents
Units
35 servers with all fixed or all sliding rails with cable trays
5 KVMs, 1 FPD, 1 Keyboard, 1 Keyboard tray
4 Low Voltage 24A PDUs vertically mounted in the side panel compartments
Internal Cables
41 power cords going to 4 PDUs in the side panels [These cables are
supplied with the devices or servers.]
40 KVM cables
: [See Figure 4-22 for the cabling diagram]
35 from each server to a corresponding Server Console Switch in the rack
4 from four Server Console Switches (KVM 1-4) to the top-level Server
Console Switch (KVM 5) to cascade the KVM switches.
1 from the top-level Server Console Switch to the FPD and the
keyboard/trackball
Cables External to Rack
35 (data) network cables from on-board RJ45 to external switches, assuming
use of only one LAN connection per server.
4 input power cords from the rack to external power outlets
Site Utility Requirements (worst-case)
Power: 4 dedicated 100V-120V 30A branch circuits.
Thermal: up to 35,000 BTU [This number is a worst-case. The actual
BTUs/hour will depend on the OS/application software running and the
server hardware configurations.]
Weight: up to 1,579 lb (with sliding-rails) [The network cables are not
accounted for since most implementation routes these cables to the
ceiling-hung cable rails outside of the rack.]
22 Server 20
21 Server 19
20 Server 18
19 Server 17
17 Server 16
18 KVM 2 / Kybd
16 Server 15
15 Server 14
14 Server 13
13 Server 12
12 Server 11
11 Server 10
10 Server 9
35 Server 30
36 Server 31
34 Server 29
33
32 FPD
30 Server 27
31 Server 28
29 Server 26
28 Server 25
27 KVM 3
42 KVM 5
40 Server 34
41 Server 35
39 Server 33
38 KVM 4
37 Server 32
26 Server 24
25 Server 23
24 Server 22
23 Server 21
8 Server 8
9 KVM 1
7 Server 7
6 Server 6
5 Server 5
4 Server 4
3 Server 3
2 Server 2
1 Server 1