EMC VNX Series Istruzioni operative
TECHNICAL NOTES
This document describes the few exceptions in which DC-powered VNX series systems
differ from their AC counterparts. Topics include:
◆Power considerations......................................................................................... 2
◆Cabling DC power and powering the system up and down .................................. 8
◆Installing a DC-AC inverter ................................................................................ 13
In general, you configure, operate, and maintain DC-powered systems as you would
the more common AC systems except:
◆DC power supplies in the VNX5100, VNX5300, and VNX5500 disk processor
enclosures (DPE) and DAE6S disk array enclosures include power on/off switches
or buttons.
◆DC storage systems do not include standby power supplies (SPS).
◆DC storage systems that support file I/O include 1U DC-AC inverters for the control
stations.
• In VNX5100, VNX5300, and VNX5500 systems, the inverters occupy the
physical space reserved for an AC SPS.
• VNX5200, VNX5400, and VNX5600 systems install the inverters directly above
the control stations.
For the most up-to-date and complete set of VNX series documentation, visit the EMC
online support website at:
http://mydocs.emc.com/VNX/
EMC®
DC-Powered VNX™ Series Enclosures
Installation and Operation Guide
P/N 300-012-880
Rev 03
April 11, 2014
2 DC-Powered VNX™ Series Enclosures Installation and Operation Guide
Power considerations
Power considerations
IMPORTANT
Systems with DC power are intended for use in environments with redundant and
highly available power sources (for example, "Central Office" grade power within the
telecommunications industry), and DC power provided by the site must meet this
requirement. The sudden loss of all incoming DC power to a storage system may
cause unexpected abnormal behavior of the storage system and loss of write-cache
data.
Power distribution must support the number of outlets required for the device (two
per enclosure) and the device power rating. Tables 1 through 4 list the power
specifications for EMC®VNX™ series disk processor, data mover, and disk-array
enclosures.
Table 1 Disk processor enclosure DC ratings (VNX5100, VNX5300, VNX5500)
Requirement Description (note all ratings assume fully configured systems)
VNX5100 DP15 VNX5100 DP25
VNX5300 DP15
VNX5500 DP15
VNX5300 DP25
VNX5500 DP25
DC line voltage -36 to -72 V DC (nominal -48 V or -60 V power systems)
DC line current
(operating maximum)
10.8 A max at -36 V DC
8.1 A max at -48 V DC
10.7 A max at -36 V DC
8.0 A max at -48 V DC
12.6 A max at -36 V DC
9.5 A max at -48 V DC
12.5 A max at -36 V DC
9.4 A max at -48 V DC
Power consumption
(operating maximum)
390 W max 385 W max 455 W max 450 W max
Heat dissipation
(operating maximum)
1.40 x 106J/hr
(1,330 Btu/hr) max
1.39 x 106J/hr
(1,320 Btu/hr) max
1.64 x 106J/hr
(1,560 Btu/hr) max
1.62 x 106J/hr
(1,540 Btu/hr) max
In-rush current 35 A peak, per requirements in EN300 132-2 Sect. 4.7 limit curve
DC protection 30 A fuse in each power supply
DC inlet type Positronics PLBH3W3M4B0A1/AA
Mating DC connector Positronics PLBH3W3F0000/AA
Ride-through time 10 ms min at -50 V input
Current sharing ±10% of full load, between power supplies
Power considerations
DC-Powered VNX™ Series Enclosures Installation and Operation Guide 3
Table 2 Disk processor enclosure DC ratings VNX5200, VNX5400, VNX5600)
Requirement
Description (note all ratings assume maximally configured systems with
25x2.5” disk drives)
VNX5200 VNX5400 VNX5600
DC line voltage -39 to -72 V DC (nominal -48 V or -60 V power systems)
DC line current
(operating maximum)
22.79 A max at -39 V DC
18.52 A max at -48 V DC
12.35 A max at -72 V DC
22.79 A max at -39 V DC
18.52 A max at -48 V DC
12.35 A max at -72 V DC
24.21 A max at -39 V DC
19.7 A max at -48 V DC
13.1 A max at -72 V DC
Power consumption
(operating maximum)
889 W max 889 W max 944 W max
Heat dissipation
(operating maximum)
3.19 x 106J/hr
(3,033 Btu/hr) max
3.19 x 106J/hr
(3,033 Btu/hr) max
3.39x 106J/hr
(3,221 Btu/hr) max
In-rush current 33.5 A peak, per requirements in EN300 132-2 Sect. 4.7 limit curve
DC protection 40 A fuse in each power supply
DC inlet type Positronics PLBH3W3M4B0A1/AA
Mating DC connector Positronics PLBH3W3F0000/AA
Use with Positronics FC610N2S/AA (10AWG Contacts)
Ride-through time 1 ms min at -50 V input
Current sharing ±5% of full load, between power supplies
4 DC-Powered VNX™ Series Enclosures Installation and Operation Guide
Power considerations
Table 3 Disk-array enclosure (DAE6S and DAE5S), DC ratings
Requirement Description (note all ratings assume maximally configured systems)
DAE6s DAE5S
DC line voltage -36 to -72 V DC (nominal -48 V or -60 V power systems)
DC line current
(operating maximum)
7.86 A max at -36 V DC
5.90 A max at -48 V DC
3.93 A max at -72 V DC
7.56 A max at -36 V DC
5.67 A max at -48 V DC
3.78 A max at -72 V DC
Power consumption
(operating maximum)
283 W max 272 W max
Heat dissipation
(operating maximum)
1.02 x 106J/hr
(965.6 Btu/hr) max
.979 x 106J/hr
(928.1 Btu/hr) max
In-rush current 20 A peak, per requirements in EN300 132-2 Sect. 4.7 limit curve
DC protection 20 A fuse in each power supply
DC inlet type Positronics PLB3W3M1000
Mating DC connector Positronics PLB3W3F7100A1
Ride-through time 5 ms min at -40 V input
Current sharing ±10% of full load, between power
supplies
±15% of full load, between
power supplies
Power considerations
DC-Powered VNX™ Series Enclosures Installation and Operation Guide 5
Table 4 File I/O components (blade and control station) DC ratings
Requirement Description (note all ratings assume maximally configured systems)
Data Mover Enclosure (2 data
movers
Control station and AC-DC inverter
assembly
DC line voltage -36 to -72 V DC (nominal -48 V or
-60 V power systems)
-36 to -60 V DC
(nominal -48 V power systems only)
DC line current
(operating
maximum)
12.2 -- 14.3 A max at -36 V DC,
9.1 -- 10.7 A max at -48 V DC
6.1 -- max at -72 V DC
3.2 A max at -36 V DC,
2.7 A max at -48 V DC,
2.2 A max at -60 V DC
Power consumption
(operating
maximum)
VNX5200 -- 438 W max
VNX5300 -- 450 W max
VNX5400 -- 438 W max
VNX5500 -- 515 W max
VNX5600 -- 438 W max
130 W max
Heat dissipation
(operating
maximum)
VNX5200
1.58 x 106J/hr, (1,495 Btu/hr) max
VNX5300
1.62 x 106J/hr, (1,540 Btu/hr) max
VNX5400
1.58 x 106J/hr, (1,495 Btu/hr) max
VNX5500
1.85 x 106J/hr, (1,760 Btu/hr) max
VNX5600
1.58 x 106J/hr, (1,495 Btu/hr) max
.468 x 106J/hr, (444 Btu/hr) max
In-rush current 36 A peak, per requirements in
EN300 132-2 Sect. 4.7 limit curve
20 A peak, per requirements in
EN300 132-2 Sect. 4.7 limit curve
DC protection 18 A fuse in each power supply
20 A fuse in DC inlet cable
20 A fuse each power supply
DC inlet type Molex Incorporated 46394-5001 Positronics PLB3W3M1000
Mating DC
connector
Molex Incorporated 46396-5205
10-12AWG (use with Molex
44262-4302 10-12AWG contacts)
Positronics PLB3W3F7100A1
Ride-through time 10 ms min at -50 V input
Current sharing ±10% of full load, between power supplies
6 DC-Powered VNX™ Series Enclosures Installation and Operation Guide
Power considerations
Power cords Figure 1 shows the power cord provided by EMC for DC-powered disk processor
enclosures, DAEs, and control station inverters. Table 5 describes the pin outs.
Figure 1 DPE/DAE power cord
21
P1
3
P1
Positronic
CL4928
Table 5 Cabling pinout (Positronics)
P1 designation Description Wire color
1 DC positive (+) Black
2 DC negative (-) Brown
3 Chassis ground Green/Yellow
Power considerations
DC-Powered VNX™ Series Enclosures Installation and Operation Guide 7
Figure 2 shows the power cord provided by EMC for DC-powered data mover (blade)
enclosures. Table 6 describes the pin outs.
Figure 2 Data Mover power cord
The data mover power cord is not repairable, and the integrated fuse is not
replacable. Should any cord component fail, you must replace the entire power cord.
15
CL4931
Table 6 Cabling pinout (Molex)
P1 designation Description Wire color
1 DC negative (-)-48 V fused
line
Brown
2 DC positive (+) Black
3 Chassis ground Green/Yellow
4—
5—
8 DC-Powered VNX™ Series Enclosures Installation and Operation Guide
Cabling DC power and powering the system up and down
Cabling DC power and powering the system up and down
After installing the storage-system hardware, cable DC power and power up the
system components.
Note: VNX DPEs and DAEs start immediately when connected to active DC input; you
do not need to press or toggle the power switches.
Connect each power supply to a DC power source. See Figure 3 for systems that
support only block IO; Figure 4 on page 9 and Figure 5 on page 10 show typical
unified or file IO configurations.
For high availability, be sure to connect the A and B power cords in each enclosure to
different power source feed circuits.
Note: Grounding screws on the power supplies provide additional grounding
sources, if necessary.
Figure 3 DC power cord connection (Block I/O system)
+
-
+
-
CL4809
-
+
-
+
-
+
-
+
Cabling DC power and powering the system up and down
DC-Powered VNX™ Series Enclosures Installation and Operation Guide 9
Figure 4 DC power cord connection (VNX file or unified I/O system)
MGMT
ACS
B
BMGMT
MGMT
ACS
B
BMGMT
10/100/1000 01
0123
10/100/1000
10/100/1000 01
10/100/1000 01
10/100/1000 01
1
023
10/100/1000
0123
0123
1023
10/100/1000 01
0123
10/100/1000
10/100/1000 01
10/100/1000 01
10/100/1000 01
1
023
10/100/1000
0123
0123
1023
CL4929
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
10 DC-Powered VNX™ Series Enclosures Installation and Operation Guide
Cabling DC power and powering the system up and down
Figure 5 DC power cord connection (VNX II file or unified I/O system)
MGMT
ACS
B
BMGMT
MGMT
ACS
B
BMGMT
10/100/1000 10/100/1000
10/100/1000 10/100/1000
CL5403
10/100/100010/100/1000
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
-
+
-
+
-
-
+
-
+
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