HPE Nimble Storage HF Series Installation instructions

Hardware Guide
HPE Alletra 5010, 5030, 5050, 2120
HPE Nimble Storage HFxx, ES3
Published October, 2023

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Publication Date
Tuesday October 3, 2023 10:42:51
Document ID
fvt1501278197039
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Contents
Install the HPE Storage Array........................................................................................................6
Network Considerations..........................................................................................................................................................................................................................6
Network Topology......................................................................................................................................................................................................................................6
IP Addresses................................................................................................................................................................................................................................................11
Firewall Rules..............................................................................................................................................................................................................................................12
Subnets...........................................................................................................................................................................................................................................................13
Subnet Traffic Types.............................................................................................................................................................................................................13
Subnet Traffic Assignments.............................................................................................................................................................................................14
IP Address Zones in Subnets............................................................................................................................................................................................14
Interface Pairs.............................................................................................................................................................................................................................................15
Interface Numbering...............................................................................................................................................................................................................................17
Installation Checklist...............................................................................................................................................................................................................................19
Rack Mount Safety Precautions.......................................................................................................................................................................................................20
Install the Array.........................................................................................................................................................................................................................................21
Network Connections.............................................................................................................................................................................................................................26
Connect the Power to the Array......................................................................................................................................................................................................32
Array Management with Data Services Cloud Console......................................................................................................................................................33
HPE GreenLake........................................................................................................................................................................................................................33
Data Services Cloud Console............................................................................................................................................................................................33
HPE Cloud Enablement.........................................................................................................................................................................................................................33
Activate Software Subscriptions....................................................................................................................................................................................34
Create an HPE GreenLake User Account..................................................................................................................................................................34
Create an HPE GreenLake Workspace.......................................................................................................................................................................34
Add Data Services Cloud Console to Your HPE GreenLake Workspace.................................................................................................35
Add Roles and Permissions to Your HPE GreenLake User Account.........................................................................................................35
Add and Assign the Array to Data Services Cloud Console...........................................................................................................................36
Troubleshoot Connectivity Issues with Data Services Cloud Console.....................................................................................................37
Initial Setup Using the HPE Alletra Setup Service................................................................................................................................................................38
Download the HPE Storage Toolkit for Windows................................................................................................................................................38
Install the HPE Storage Toolkit for Windows on a Client................................................................................................................................38
Discover the Array .................................................................................................................................................................................................................39
Connect the Array to HPE GreenLake........................................................................................................................................................................40
Initialize the Array Using HPE Alletra Setup Service.........................................................................................................................................41
Initial Setup Using the Storage Setup Manager for Windows........................................................................................................................................41
Download the HPE Storage Toolkit for Windows................................................................................................................................................41
Install the HPE Storage Toolkit for Windows on a Client................................................................................................................................42
Complete the Initial Setup Using the Storage Setup Manager.....................................................................................................................43
Initial Setup Using the Array CLI.....................................................................................................................................................................................................46
Set up a Serial Connection.................................................................................................................................................................................................46
Contents 3

Complete the Initial Setup Using the CLI..................................................................................................................................................................47
After Installation and Initial Setup..................................................................................................................................................................................................49
Array Components.........................................................................................................................51
Array Front Panel.....................................................................................................................................................................................................................................51
Array Rear Panel.......................................................................................................................................................................................................................................51
Start the Array............................................................................................................................................................................................................................................52
Shut Down the Array Using the GUI..............................................................................................................................................................................................53
Shut Down the Array Using the CLI...............................................................................................................................................................................................53
Restart the Array......................................................................................................................................................................................................................................54
Array LEDs....................................................................................................................................................................................................................................................54
Drive LEDs...................................................................................................................................................................................................................................55
Controller LEDs .......................................................................................................................................................................................................................56
Controller LED Tables..........................................................................................................................................................................................................56
Find the Serial Number of an Array Using the GUI...............................................................................................................................................................58
Find the Serial Number of an Array Using the CLI................................................................................................................................................................58
Controller States and Status..............................................................................................................................................................................................................59
Check Array Model, OS Version, and Operating State Using the GUI.......................................................................................................................59
Check Array Model, OS Version, and Operating State Using the CLI........................................................................................................................59
Install the Expansion Shelf...........................................................................................................61
Connect the Power to the Expansion Shelf...............................................................................................................................................................................64
Connect and Activate the Expansion Shelf...............................................................................................................................................................................65
Expansion Shelf Components.......................................................................................................68
Expansion Shelf Front Panel..............................................................................................................................................................................................................68
Expansion Shelf Rear Panel................................................................................................................................................................................................................68
Expansion Shelf LEDs............................................................................................................................................................................................................................69
Drive LEDs...................................................................................................................................................................................................................................70
Shut Down an Expansion Shelf.........................................................................................................................................................................................................71
Find the Serial Number of an Expansion Shelf Using the GUI........................................................................................................................................72
Find the Serial Number of an Expansion Shelf Using the CLI.........................................................................................................................................72
Find the Serial Number of an Expansion Shelf on the Enclosure.................................................................................................................................72
Maintenance Procedures...............................................................................................................73
Drive Maintenance...................................................................................................................................................................................................................................73
How the Storage Array Handles a Failed Drive.....................................................................................................................................................73
How to Tell that a Drive has Failed..............................................................................................................................................................................73
Replace a Failed Drive (SSD)............................................................................................................................................................................................73
Replace a Failed Drive (HDD)..........................................................................................................................................................................................76
How to Tell that the Drive Carrier has Failed.........................................................................................................................................................78
Replace a Dual Flash Carrier ............................................................................................................................................................................................79
Contents 4

Controller Maintenance.........................................................................................................................................................................................................................81
Replace a Controller...............................................................................................................................................................................................................82
Replace a PCIe Card .............................................................................................................................................................................................................87
Replace an SFP Transceiver..............................................................................................................................................................................................94
Fail Over a Controller Using the GUI............................................................................................................................................................................96
Fail Over a Controller Using the CLI.............................................................................................................................................................................97
Determine the Operating State of the Controllers Using the GUI..............................................................................................................97
Determine the Operating State of the Controllers Using the CLI...............................................................................................................97
Expander Maintenance..........................................................................................................................................................................................................................97
Replace an Expander............................................................................................................................................................................................................97
Power Supply Maintenance................................................................................................................................................................................................................99
How to Tell that a Power Supply has Failed...........................................................................................................................................................99
Replace an AC Power Supply...........................................................................................................................................................................................99
Replace a DC Power Supply...........................................................................................................................................................................................101
Replace AC Power Supplies with DC Power Supplies.....................................................................................................................................102
Chassis Maintenance...........................................................................................................................................................................................................................105
Replace the Chassis............................................................................................................................................................................................................105
Upgrade Procedures....................................................................................................................110
Upgrade HDDs........................................................................................................................................................................................................................................110
Upgrade Cache........................................................................................................................................................................................................................................112
Upgrade PCIe Cards.............................................................................................................................................................................................................................115
Upgrade the Controller......................................................................................................................................................................................................................123
Upgrade Controllers (Alletra 5010, Nimble Storage HF20).......................................................................................................................123
Upgrade Controllers (Alletra 5030, Nimble Storage HF40).......................................................................................................................131
Hardware and Model Specifications.........................................................................................137
Model Specifications............................................................................................................................................................................................................................137
SFP Specifications.................................................................................................................................................................................................................................141
Statement of Volatility........................................................................................................................................................................................................................146
Troubleshooting...........................................................................................................................149
Check System Temperature............................................................................................................................................................................................................149
Fans and Sensors.................................................................................................................................................................................................................149
What You Should Do..........................................................................................................................................................................................................149
Check System Temperature using the GUI...........................................................................................................................................................150
Check System Temperature using the CLI............................................................................................................................................................150
Regulatory and Safety Information..............................................................................................................................................................................................................151
Regulatory Warnings...........................................................................................................................................................................................................................151
Safety Warnings.....................................................................................................................................................................................................................................153
Electrical Safety.....................................................................................................................................................................................................................153
System Safety.........................................................................................................................................................................................................................154
Battery Safety........................................................................................................................................................................................................................154

Install the HPE Storage Array
There are several steps to install the HPE storage array, such as providing a suitable operating environment, installing the
array into your rack, and making network connections appropriate to your current and anticipated topologies. After the array
is configured, you can perform maintenance and upgrade tasks as needed.
Before beginning, download and read the Release Notes, available on HPE InfoSight (https://infosight.hpe.com). If you do not
have an HPE account, click Sign up and provide the required information.
Visit the Welcome Center (http://www.hpe.com/support/storage-welcomecenter) for help setting up your HPE storage array.
Before you can start using the array, you must register the array with Data Services Cloud Console. If you do not have an HPE
GreenLake cloud account (https://common.cloud.hpe.com), the Welcome Center can guide you.
Network Considerations
In preparation for installing your HPE storage array, information in this section will help you:
•Determine your network topology
•Plan for the configuration of IP Addresses
•Identify options for subnets, including (for iSCSI):
•Discovery IP addressing
•IP address zones
•Traffic assignments
•Understand data connections to your iSCSI or Fibre Channel array through Interface Pairs
Use the Installation Checklist to note all information required before installing your array. For more information, refer to the
GUI Administration Guide or the CLI Administration Guide.
Network Topology
When you initially configure the arrays, you are prompted to choose a network topology. The selection that you make enables
the setup wizard to assist in making the optimal networking choices:
•One shared network
•Two dedicated networks
•Advanced network configuration
•Dual Fabric Fibre Channel
Important: The following diagrams are conceptual examples of the network connections you might use for each
topology. These diagrams are not intended to show a complete set of connections.
One Shared Network
In this configuration, the management and data traffic share the same physical network interfaces. If more than one switch is
used in this configuration, the switches must be connected to each other by an inter-switch link or trunk port, or they must
be configured in a single switch stack if supported by the switch manufacturer. You may want to consider this configuration
if you have only one network or if your data traffic is low enough that adding management traffic does not affect the LAN.
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Figure 1: Topology diagram - network connections for one shared network
51 Host data/management connectionsHost/server
2 6Ethernet switch 1 Inter-switch link
73 Array data/management connectionsEthernet switch 2
4Array
Two Dedicated Networks
In this configuration, management traffic and data traffic are separated into two subnets. Management traffic uses the ports
assigned to the management subnet. All other subnets are designated as data only. Two switches for the management traffic
and two switches for the data traffic are recommended for redundancy and high availability. Multiple switches carrying a
particular subnet must be connected with an inter-switch link, trunk port, or switch stacking modules. If that subnet is assigned
to a particular VLAN, the inter-switch link or trunk port must allow that VLAN.
This configuration option is probably best in cases where security is an issue, where network administrators do not need
access to data traffic, where the amount of data traffic is such that it has a dedicated network, or where the network for data
traffic is completely separate from the management network.
Choose this option:
•To limit iSCSI traffic to 10Gb interfaces
•To isolate the subnets for network security
•If you want a dedicated broadcast domain reserved for iSCSI traffic
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Figure 2: Topology diagram - network connection for two dedicated networks
61 Array management connectionsHost/server
2 7Ethernet switch (management) Host data connections
83 Array data connectionsEthernet switch (data)
4 9Array Inter-switch link
5Host management connections
Advanced Network Configuration
From the Advanced and advanced multipath requirements selection of the setup wizard, you can define a configuration
for a dedicated management port or define any number of ports to handle the desired I/O flow. The advanced network
configuration allows the greatest flexibility to suit your network traffic and advanced multipath requirements.
This particular example shows the management and data paths on different networks. Data ports are connected to subnets
that carry iSCSI traffic, and you can add more data connections to additional ports as needed. Note that the subnet addresses
in the illustration are just examples. This arrangement enables the maximum data throughput by isolating management traffic
from the data.
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Figure 3: Topology diagram - advanced network configuration, data connections
51 Host data connections, switch 1Host/server
2 6Ethernet switch 1, subnet 10.10.30.x/24 Host data connections, switch 2
73 Inter-switch linkEthernet switch 2, subnet 10.10.20.x/24
4 8Array Array data connections
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Figure 4: Topology diagram - advanced network configuration, management connections
31 ArrayHost/server
2Management network
Dual Fabric Fibre Channel
In this configuration, two Fibre Channel ports on a host HBA are connected to two separate Fibre Channel switches, with each
Fibre Channel switch connected to both controllers on the array. The host management port and the controller management
ports are connected through an Ethernet switch.
This configuration provides redundant paths for Fibre Channel traffic. If one of the host Fibre Channel ports fails, or one of
the Fibre Channel switches fails, the host remains connected to both controllers through the remaining host Fibre Channel
port or Fibre Channel switch, and Fibre Channel traffic continues uninterrupted.
Note that only one data connection is shown. You can add more connections and use different ports as needed.
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Figure 5: Topology diagram - network connections for dual fabric Fibre Channel
61 Host data connectionsHost/server
2 7Fibre Channel switch 1 Host management connections
83 Array management connectionsFibre Channel switch 2
4 9Ethernet switch Data fabric 1 connections
105 Data fabric 2 connectionsFibre Channel array
IP Addresses
An IP address is a 32-bit identifier for devices on a TCP/IP network. IP addresses allow devices on a network, such as servers,
switches, and arrays, to communicate with each other. HPE storage arrays use IP addresses for the following purposes:
Table 1: Types of IP addresses
PurposeIP Address
Typically defined on eth1 or on eth1 and eth2 interface, the management IP address provides access
to the management interface (GUI, CLI, or API) for the array group. It is also used for volume replication.
It resides on the group management subnet and floats across all management only (Mgmt only) and
management + data (Mgmt + Data) interfaces.
Management
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PurposeIP Address
For iSCSI arrays, each subnet has its own discovery IP address. It enables the iSCSI initiator to discover
iSCSI targets for the volumes on the array. You can use this IP address for data as well as management
in a single shared network.
Note: Discovery IP addresses are not required for Fibre Channel arrays.
Discovery
One or more IP addresses can be configured to carry data traffic. One data IP address can be configured
for each interface pair (corresponding interfaces on the two controllers). Both controllers use the same
IP address but never at the same time because only one controller is active at a time. Other data IP
addresses can be configured on different subnets.
Note: In a dedicated network topology, the data IP addresses cannot be the same as the
management/iSCSI discovery IP addresses.
Data
Each controller on an array must have a dedicated support IP address, which can be used for trou-
bleshooting and technical support purposes in the event that a controller is not reachable through the
management IP address. The support IP addresses must be placed on the group management subnet.
Support
Firewall Rules
If your organization restricts outbound internet traffic you might need to configure rules which allow the Storage SAN
(Management IP address and Controller A and B diagnostic IP addresses) to communicate with storage servers on specific
ports.
The storage SAN requires the following firewall rules:
ProtocolPortDestinationDescription
HTTPSTCP 443nsdiag.nimblestorage.comAutoSupport and Heart-
beat
HTTPSTCP 443update.nimblestorage.comSoftware Updates and
Downloads
HTTPSTCP 443nsalerts.nimblestorage.comAlerts
HTTPSTCP 443nsstats.nimblestorage.comStreaming Statistics &
VMVision Per-VM Alerts
SSHTCP 2222hogan.nimblestorage.comHPE Support Secure Tun-
nel Connection
HTTPSTCP 443console.greenlake.hpe.comHPE GreenLake
HTTPSTCP 443device.cloud.hpe.comArray Initialization
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ProtocolPortDestinationDescription
HTTPSTCP 443console-instance name.da-
ta.cloud.hpe.com
For example:
console-eu1.data.cloud.hpe.com
Data Services Cloud Con-
sole
HTTPSTCP 443tunnel-instance name.da-
ta.cloud.hpe.com
For example:
tunnel-eu1.data.cloud.hpe.com
HTTPSTCP 443instance name.data.cloud.hpe.com
For example:
eu1.data.cloud.hpe.com
Note: instance name can be eu1 for Europe, jp1 for Japan, or us1 for America
Note: It is recommended that you use the fully qualified domain name (for example, nsdiag.nimblestorage.com) rather
than IP addresses, as IP addresses might change without notice.
Subnets
A subnet is a logical subdivision of a network. It is defined by the first IP address in the network and a netmask that specifies
a contiguous range of IP addresses within that network. A subnet can be assigned to one or more network interfaces.
The maximum Transmission Unit (MTU) can be set for a subnet so that it uses either a standard, jumbo, or custom frame size.
If you choose to use a custom frame size, you must specify the size in bytes.
Specifying a VLAN ID on a subnet allows more than one subnet to be assigned to an interface using IEEE 802.1Q tagged
frames. Subnets without a VLAN ID can only have untagged assignments. Switch port configurations must match the VLAN
IDs configured on the subnets for tagged assignments. For more information, refer to the procedure to Configure VLAN
Tagging in the GUI Administration Guide or CLI Administration Guide.
Subnet Traffic Types
Traffic types are used to segregate network traffic into different subnets. A subnet can carry one of the following traffic types.
Table 2: Traffic Types
DescriptionTraffic Type
The subnet carries only management traffic.Management
(Mgmt only)
The subnet carries only data traffic.Data (Data only)
The subnet carries both management and data traffic.Management and
Data (Mgmt + Da-
ta)
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Subnet Traffic Assignments
Traffic assignments determine what type of iSCSI traffic a data subnet carries. You can assign a data subnet on an iSCSI array
to carry one of the following kinds of traffic.
Note: Traffic assignments are not required for Fibre Channel arrays.
Table 3: Traffic Assignments
DescriptionTraffic Assignment
The subnet carries both iSCSI data traffic and intra-group communication (traffic between arrays
in a group).
iSCSI + Group
The subnet carries only iSCSI data traffic.iSCSI only
The subnet carries intra-group communication traffic.Group only
IP Address Zones in Subnets
An IP address zone is a group of host IP addresses and array data IP addresses in a subnet. When using two switches for iSCSI
traffic, hosts can achieve better performance by establishing iSCSI connections with data IP addresses inside the same zone,
as opposed to establishing iSCSI connections with data IP addresses in a different zone.
Note: IP address zones are not required for Fibre Channel arrays.
The IP addresses within a subnet can be divided into IP address zone types.
Table 4: IP Address Zone Types
DescriptionZone Type
Used for non-iSCSI enabled subnets.None
All IP addresses are in one zone. This is the default zoning setting.
With two network switches, iSCSI connections can be routed over the inter-switch link.
Single
One zone includes the IP addresses from the top half of the subnet; for example, 192.168.1.128 to
192.168.1.254. The other zone takes the IP addresses from the bottom half of the subnet; for example,
192.168.1.1 to 192.168.1.127
Bisect
The IP addresses are grouped by their last bit. One zone includes the even-numbered IP addresses, such
as 192.168.1.2, 192.168.1.4, 192.168.1.6, and so on. The other zone includes the odd-numbered IP ad-
dresses, such as 192.168.1.1, 192.168.1.3, 192.168.1.5, and so on.
Even/Odd
IP address zones are useful for configurations that use two switches, where you want to establish connections that avoid the
Inter-Switch Link. For IP address zones to work, the host and the array must have their data IP addresses configured with half
of their IP addresses from one zone connected to one switch and the other half of its IP addresses from the other zone
connected to the other switch. For example, assume that:
•There is a single subnet, 192.168.1.0/24.
•There are two zones, defined as Red and Blue.
•Red zone consists of:
•Host IP 192.168.1.1
•Array Data IP 192.168.1.3
•Array Data IP 192.168.1.5
•Blue zone consists of:
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Host IP 192.168.1.2•
•Array Data IP 192.168.1.4
•Array Data IP 192.168.1.6
In the IP Address Zone, the host IP addresses in the Red zone only establish connections with the data IP addresses in the
Red zone. And the host IP addresses in the Blue zone only establish connections with the data IP addresses in the Blue zone.
In this way, iSCSI connections do not use inter-switch link and thereby maximize I/O performance.
Figure 6: IP Address Zones
41 ArrayHost
2 5Switch 1 Inter-switch link
3Switch 2
Interface Pairs
HPE uses the term interface to identify specific ports on the controller. For iSCSI, an interface is an Ethernet port connection
that can be used for data, management, or both; for Fibre Channel, an interface is a Fibre Channel port connection that can
be used for data only.
iSCSI Interface Pairs
An iSCSI interface pair refers to a set of two data or management Ethernet connections, one from each controller, to the
network switch. The cables for an interface pair connect to the same data or management port on each controller. See Interface
Numbering on page 17.
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Figure 7: An example of Ethernet connections using interface pairs
51 Interface pair from data ports eth3Host/server
2 6Switch 1/subnet 1 Interface pair from data ports eth4
73 Data interface pair 1Switch 2/subnet 2
4 8Array Data interface pair 2
The purpose of interface pairs is to ensure high availability and redundancy in the event of a controller or network switch
failure. In the event of a controller failover, proper network connections ensure minimal data service interruption.
An interface pair is the combination of the same data port on both controllers. In the preceding diagram:
•Data ports eth3 form one interface pair (red)
•Data ports eth4 form another interface pair (blue)
Make sure that each interface pair connects to the SAME network or subnet. In this example, the red interface pair connects
to subnet 1 and the blue connects to subnet 2.
To minimize single points of failure, connect as many interface port pairs as possible.
Fibre Channel Interface Pairs
A Fibre Channel interface pair refers to a set of two Fibre Channel data connections, one from each controller, to the Fibre
Channel switch. The cables for an interface pair connect to the same data port on each controller. See Interface Numbering
on page 17.
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Figure 8: An example of Fibre Channel connections using interface pairs
51 Interface pair from data ports fc1Host/server
2 6Fibre Channel switch 1 Interface pair from data ports fc2
73 Data interface pair 1Fibre Channel switch 2
4 8Array Data interface pair 2
The purpose of interface pairs is to ensure high availability and redundancy in the event of a controller or Fibre Channel switch
failure. In the event of a controller failover, proper Fibre Channel connections ensure minimal data service interruption.
An interface pair is the combination of the same data port on both controllers. In the preceding diagram:
•Data ports fc1 form one interface pair (red)
•Data ports fc2 form another interface pair (blue)
To minimize single points of failure, connect as many interface port pairs as possible.
Interface Numbering
All array models have two onboard 10GBaseT ports. Adding additional NICs can support up to six 10GBaseT, SFP, or GbE
ports, for a total of up to eight ports.
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Figure 9: Array interface example (Ethernet ports)
71 eth3aeth0a
2 8eth0b eth3b
93 SAS Outeth1b
4 10eth1a SAS Out
115 Serial porteth2a
6eth2b
Figure 10: Array interface example (Ethernet and Fibre Channel ports)
71 fc3aeth0a
2 8eth0b fc3b
93 SAS Outeth1b
4 10eth1a SAS Out
115 Serial porteth2a
6eth2b
For more information on SFPs and connecting 10GbE ports to your array, see SFP Specifications on page 141.
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Installation Checklist
Note: The following list outlines the information that you need to have to complete the setup of the storage array.
You type this information the first time that you access the UI to configure the array.
All network settings represent IPv4 values.
The latest version of this list can be found at http://www.hpe.com/support/storage-welcomecenter.
ValueDescriptionItem
Array Access
Pick any name you want to assign your array. This will
be in addition to the serial number that comes with
the array.
Array name
Pick a name that fits with your infrastructure. This
name could match the location or organization that is
using the storage to help you identify the storage as
you manage it.
Group name
Computers need an IP address so they can communi-
cate with each other. These IP addresses need to be
routable to the internet but should be behind a firewall.
When your laptop communicates with the array to
make changes, what IP address should it use?
Management IP address
The netmask for the management subnet (ie.
255.255.248.0 for a /21 network)
Management subnet mask
The password for the administrator accountAdministrator password
A subnet is a logical subdivision of a network. It is defined by the first IP
address in the network and a netmask that specifies a contiguous range of
IP addresses within that network. A subnet can be assigned to one or more
network interfaces.
It is recommended to have at least two data subnets but you may have four
or more.
Data Subnet Configuration (iSCSI Only)
Up to 4A label for this subnet to identify it in the UIData subnet name
Up to 4An IP address for the data networkNetwork Address
Up to 4The netmask for the management subnet (ie.
255.255.224.0 for a /19 network)
Network address subnet
Up to 4An IP address used for iSCSI discoveryDiscovery IP address –For iSCSI arrays only
Interface Assignment
The IP address that HPE Support should use to help
resolve issues. You need two IP addresses, one for
each controller.
Controller A diagnostic IP address
See description for Controller A diagnostic IP address.Controller B diagnostic IP address
Domain
Enter the domain name the array will be joining and
the DNS servers responsible for the domain.
Management network domain name
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ValueDescriptionItem
The domain name server (DNS) server IP address is
used to communicate with other computers in your
domain.
DNS server IP addresses, up to three
Time
NTP (Network Time Protocol) sets the time on your
system correctly.
NTP server IP address
Set the time zone by region and Country/State/City.Time zone
Support
Sender (from) email address
If there are any problems with the array, the array
sends you an email. To do so, we need to be connected
to your email (or SMTP) server.
SMTP server IP addressRecipient email address-
es
(optional)If you use a proxy to the internet as part of your fire-
wall setup, tell us about it.
HTTP proxy server IP address
(optional)HTTP proxy server port
(optional)Optional user name for the proxyHTTP proxy server user name
(optional)Optional user name for the proxyHTTP proxy server password
Rack Mount Safety Precautions
Observe these safety precautions when you install the storage array or expansion shelf in a rack.
Table 5: Rack Mount Safety Precautions
PrecautionConsideration
If the array or expansion shelf is installed in a closed or multi-unit rack assembly, the operating temper-
ature might be greater than the ambient (room) temperature. Provide adequate cooling so the rack
environment does not exceed 35°C (95°F) as specified by the rack manufacturer.
Operating Ambient
Temperature
Install the equipment in the rack such that each item has ample air flow required for proper cooling.
Cold air comes into the front of the array (drive side) and is exhausted out the back of the array (controller
side) by the fans. Install the array with the front facing the cold aisle and the back facing the hot aisle
in your environment.
Air Flow
Mount the equipment so that the mechanical loads on the rack are even top-to-bottom, front-to-back,
and side-to-side.
CAUTION: Stability hazard: The rack may tip over causing serious personal injury.
•Before extending the rack to the installation position, read the installation instruc-
tions.
•Do not put any load on the slide-rail mounted equipment in the installation position.
•Do not leave the slide-rail mounted equipment in the installation position.
Mechanical Load-
ing
Install the HPE Storage Array 20
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