IBM DS8880 physical planning and installation
This chapter describes the various steps that are involved in the planning and installation of the IBM DS8880. It includes a reference listing of the information that is required for the setup and where to find detailed technical reference material.
This chapter covers the following topics:
For more information about the configuration and installation process, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525.
7.1 Considerations before the installation: Planning for growth
Start by developing and following a project plan to address the necessary topics for a successful implementation. Consider the following items for your installation plan checklist:
•Plan for growth to minimize disruption to operations.
 
Important: Expansion frames can be placed only to the right (from the front) of the DS8880 base frame.
•Consider location suitability, floor loading, access constraints, elevators, and doorways.
•Analyze power requirements, such as redundancy and the use of an uninterruptible power supply (UPS).
•Examine environmental requirements, such as adequate cooling capacity.
•Full Disk Encryption (FDE) drives are a standard feature for the DS8880. If encryption activation is required, consider the location and connection needs for the external key servers, IBM Security Key Lifecycle Manager (SKLM), or Gemalto SafeNet KeySecure servers.
•Consider the integration of Lightweight Directory Access Protocol (LDAP) to allow a single user ID and password management. With Release 8.1, you can take advantage of the LDAP capability offered by the Copy Service Manager residing on the Hardware Management Console (HMC).
•Call home through an Internet Secure Sockets Layer (SSL) installation to provide a continued secure connection to the IBM Support center.
•Plan for disk types, such as flash cards, flash drives, and enterprise and nearline serial-attached Small Computer System Interface (SCSI) (SAS).
•Plan for logical configuration, Copy Services, and staff education. See Chapter 10, “Configuration flow” on page 241.
7.1.1 Client responsibilities for the installation
The DS8880 is specified as an IBM or IBM Business Partner installation and setup system. However, the following are several required planning and installation activities for which the client is responsible at a high level:
•Physical configuration planning. Your Storage Marketing Specialist can help you plan and select the DS8880 model physical configuration and features.
•Installation planning.
•Integration of LDAP. IBM can help in planning and implementation on client request.
•Installation of Assist On-site (AOS). IBM can help plan and implement on client request.
•Integration of IBM Spectrum™ Control and Simple Network Management Protocol (SNMP) into the client environment for monitoring of performance and configuration. IBM can provide services to set up and integrate these components.
•Configuration and integration of SKLM servers and DS8000 Encryption for extended data security. IBM provides services to set up and integrate these components. IBM Storage Appliance 2421 Model AP1 can be ordered either as a single isolated key server (Feature Code (FC) 1761) or as two isolated key servers (FC1761 and FC1762, ordered together). However, it is not the only option. A client might want to run two independent SKLMs instances that run on their own servers. Alternatively, clients who must conform to the Key Management Interoperability Protocol (KMIP) can install the Gemalto SafeNet key servers.
•Logical configuration planning and application. Logical configuration refers to the creation of Redundant Array of Independent Disks (RAID) arrays and pools, and to the assignment of the configured capacity to servers. Application of the initial logical configuration and all subsequent modifications to the logical configuration also are client responsibilities. The logical configuration can be created, applied, and modified by using the data storage Management graphical user interface (DS GUI), DS command-line interface (DS CLI), or DS Open application programming interface (DS Open API).
IBM Services also can apply or modify your logical configuration, which is a fee-based service.
7.1.2 Participants
A project manager needs to coordinate the many tasks that are necessary for a successful installation. Installation requires close cooperation with the user community, IT support staff, and technical resources that are responsible for floor space, power, and cooling.
A storage administrator needs to also coordinate requirements from the user applications and systems to build a storage plan for the installation. This plan is needed to configure the storage after the initial hardware installation is complete.
The following people must be briefed and engaged in the planning process for the physical installation:
•Systems and storage administrators
•Installation planning engineer
•Building engineer for floor loading, air conditioning, and electrical considerations
•Security engineers for AOS, LDAP, key servers, and encryption
•Administrator and operator for monitoring and handling considerations
•IBM service support representative (SSR) or IBM Business Partner
7.1.3 Required information
A validation list to help the installation process must include the following items:
•Drawings that detail the DS8000 placement as specified and agreed upon with a building engineer, which ensures that the weight is within limits for the route to the final installation position.
•Approval to use elevators if the DS8880 weight and size are acceptable.
•Connectivity information, servers, storage area network (SAN), and mandatory local area network (LAN) connections.
•Agreement on the security structure of the installed DS8000 with all security engineers.
•Agreement on the detailed storage plan. Ensure that the configuration specialist has all of the information to configure all of the storage and set up the environment, as required.
•Activation codes for Base Functions, which are mandatory, and any optional feature activation codes.
7.2 Planning for the physical installation
This section describes the physical installation planning process and provides important tips and considerations.
7.2.1 Delivery and staging area
The shipping carrier is responsible for delivering and unloading the DS8880 as close to its final destination as possible. Inform the carrier of the weight and size of the packages to deliver. Also, inspect the site and the areas through which the packages will be moved (for example, hallways, floor protection, elevator size, and loading).The 46U tall racks are shipped as 40U, with the top-hat lowered for ease of shipping. The hardware positioned between 40U and 46U is shipped in a separate box and must be physically installed before formal installation is attempted.
Table 7-1 lists the final packaged dimensions and maximum packaged weight of the DS8880 storage unit ship group.
Table 7-1 Packaged dimensions and weight for DS8880 models
Shipping container
Packaged dimensions (in centimeters and inches)
Maximum packaged weight (in kilograms and pounds)
DS8880 Base Frame
(Model 980)
Height 2.08 m (81.9 in.)
Width 0.95 m (37.4 in.)
Depth 1.50 m (59.1 in.)
1,086 kg (2,390 lb)
DS8880 Base Frame
(Model 981)
 
Height 2.08 m (81.9 in.)
Width 0.95 m (37.4 in.)
Depth 1.50 m (59.1 in.)
1140 kg (2513 lb)
DS8880 base frame
(Model 982)
Height 2.08 m (81.9 in.)
Width 0.95 m (37.4 in.)
Depth 1.50 m (59.1 in.)
976 kg (2151 lb)
DS8880 Expansion frame (Model 98B)
 
Height 2.08 m (81.9 in.)
Width 0.95 m (37.4 in.)
Depth 1.50 m (59.1 in.)
First expansion frame:
1,038 kg (2,283 lb)
 
Second expansion frame:
799 kg (1,757 lb)
DS8880 Expansion Frame (Model 98E)
Height 2.08 m (81.9 in.)
Width 0.95 m (37.4 in.)
Depth 1.50 m (59.1 in.)
First expansion frame:
1,050 kg (2,309 lb)
 
Second and third expansion frames:
936 kg (2,060 lb)
 
Fourth expansion frame:
771 kg (1,700 lb)
DS8880 Expansion Frame (Model 98F)
Height 2.08 m (81.9 in.)
Width 0.95 m (37.4 in.)
Depth 1.50 m (59.1 in.)
907 kg (2000 lb)
 
 
 
 
 
 
Important: A fully configured model in the packaging can weigh over 1,400 kg (3,086 lbs). The use of fewer than three persons to move it can result in injury.
By using the shipping weight reduction option, you can receive delivery of a DS8880 model in multiple shipments that do not exceed 909 kg (2,000 lb) each.
For more information about the Shipping Weight Reduction option, see Chapter 9, “IBM DS8880 features and licensed functions” on page 217.
7.2.2 Floor type and loading
The DS8880 can be installed on a raised or nonraised floor. The total weight and space requirements of the storage unit depend on the configuration features that you ordered. You might consider calculating the weight of the unit and the expansion frame (if ordered) in their maximum capacity to allow for the addition of new features.
Table 7-2 lists the weights of the various DS8880 models.
Table 7-2 DS8880 weights
Model
Maximum weight
DS8880 Model 980
1,000 kg (2,201 lb)
DS8880 Model 981
Without top extension - 914 kg (2,011 lb)
With top extension - 1,098 kg (2,415 lb)
DS8880 Model 982
976 kg (2151 lb)
DS8880 Model 98B
(first expansion frame)
952 kg (2,094 lb)
DS8880 Model 98B
(additional expansion frame)
713 kg (1,568 lb)
 
DS8880 Model 98E
(first expansion frame)
Without top expansion - 964 kg (2,120 lb)
With top expansion - 1,147 kg (2,524 lb)
DS8880 Model 98E
(second and third expansion frame)
Without top expansion - 851 kg (1,871 lb)
With top expansion - 932 kg (2,051 lb)
DS8880 Model 98E
(fourth expansion frame)
Without top expansion - 662 kg (1,461 lb)
With top expansion - 685 kg (1,511 lb)
DS8880 Model 98F(first expansion frame)
907 kg (2,000 lb)
 
Important: You must check with the building engineer or other appropriate personnel to ensure that the floor loading is correctly considered.
Figure 7-1 for DS8880 shows the location of the cable cutouts. You can use the following measurements when you cut the floor tile:
•Width: 40.0 cm (15.7 in.)
•Depth: 14.5 cm (5.7 in.)
Figure 7-1 Floor tile cable cutout for DS8880
For more information about floor loading and weight distribution, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525.
7.2.3 Overhead cabling features
The overhead cabling (top exit) feature, as shown in Figure 7-2 on page 181, is available for DS8880 as an alternative to the standard rear cable exit. Verify whether you ordered the top exit feature before the tiles for a raised floor are cut.
This feature requires the following items:
•Feature Code (FC) 1400 Top exit bracket for overhead cabling
•FC1101 Safety-approved fiberglass ladder
For more information, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525.
Figure 7-2 shows the overhead cabling (top exit) feature.
Figure 7-2 Overhead cabling for DS8880
7.2.4 Room space and service clearance
The total amount of space that is needed by the storage units can be calculated by using the dimensions that are shown in Table 7-3.
Table 7-3 DS8880 dimensions
Dimensions with casters and covers
Model 980 / 982
Model 981 without top extension/with top extension
Height
193 cm (76 in.)
193 cm (76 in.)/220 cm (86.5 in.)
Width
64 cm (25 in.)
64 cm (25 in.)
Depth
144 cm (56.5 in.)
144 cm (56.5 in.)
The storage unit location area also covers the service clearance that is needed by the IBM SSR when the front and rear of the storage unit are accessed. You can use the following minimum service clearances. Verify your configuration and the maximum configuration for your needs, keeping in mind that the DS8880 has a maximum of four expansion frames (for a total of five frames).
An example of the dimensions for a DS8880 with two expansion frames is shown in Figure 7-3. The following clearances are needed:
•For the front of the unit, allow a minimum of 121.9 cm (48 in.).
•For the rear of the unit, allow a minimum of 76.2 cm (30 in.).
•For the sides of the unit, allow a minimum of 12.7 cm (5 in.).
 
Important: When you install only the base frame, you also need a clearance of at least
61 cm (24.0 in.) on the right side (facing the system) to allow an operator to unfold and use the HMC keyboard and monitor.
Figure 7-3 DS8880 with three frames service clearance requirements
7.2.5 Power requirements and operating environment
Consider the following basic items when you plan for the DS8880 power requirements:
•Power connectors
•Input voltage
•Power consumption and environment
•Power control features
•Extended power line disturbance (ePLD) feature
Power connectors
Each DS8880 base and expansion frame features redundant power supply systems. Attach the two power cords to each frame to separate AC power distribution systems. A 60-A rated single phase voltage feature is required for the DS8880. For more information about power connectors and power cords, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525.
Input voltage
When you plan for the power requirements of the storage system, consider the input voltage requirements. Table 7-4 shows the DS8880 input voltages and frequencies.
Table 7-4 DS8880 input voltages and frequencies
Characteristic
Voltage (single-phase)
Nominal input voltage
200, 208, 220, or 240 RMS Vac
Minimum input voltage
180 RMS Vac
Maximum input voltage
256 RMS Vac
Customer wall breaker rating 1-phase
50 - 63 Amps1
Customer wall breaker rating 3-phase
30 - 60 Amps (delta), 20 - 32 Amps (wye)
Steady-state input frequency
50 ± 3 or 60 ± 3.0 Hz
PLD input frequencies (<10 seconds)
50 ± 3 or 60 ± 3.0 Hz
1 Can vary by region
Power consumption
Table 7-5 lists the power consumption specifications of the DS8880. The power estimates in this table are conservative and assume a high transaction rate workload.
Table 7-5 Power consumption and environmental information (fully equipped frames)
Measurement
Unit of measure
Base frame Model
Expansion frame Model
Peak electric power
kilovolt amperes (kVA)
980: 5.4 (single-phase)
981: 7.4 (single-phase)
981: 6.7 (three-phase)
982: 8.1 (three-phase)
 
98B: 5.3 (single-phase)
98E: 6.6 (single-phase)
98E: 6.4 (three-phase)
98F: 4.4 (three-phase)
Thermal load
British thermal units (BTU) per hour
980: 18425 (single-phase)
981: 25249 (single-phase)
981: 22860 (three-phase)
982: 27637 (three-phase)
98B: 18084 (single-phase)
98E: 22519 (single-phase)
98E: 21837 (three-phase)
98F: 15013 (three-phase)
Capacity of exhaust
cubic meters per min. (cubic feet per min., or CFM)
44.2
(1500)
51.8
(1800)
The values represent data that was obtained from the following configured systems:
•Standard base frames that contain 15 disk drive sets (16 drives for each disk drive set, 15 disk drive sets x 16 = 240 disk drives) and Fibre Channel adapters.
•All-flash configurations that contain eight sets of fully configured high-performance storage enclosures and 16 Fibre Channel adapters.
•Expansion models that contain 21 drive sets for each storage enclosure (21 drive sets x 16 = 336 drives) and Fibre Channel adapters.
DS8880 cooling
Air circulation for the DS8880 is provided by the various fans that are installed throughout the frame. All of the fans in the DS8880 direct air flow from the front of the frame to the rear of the frame. No air exhausts out of the top of the frame. The use of a directional air flow in this manner allows cool aisles to the front and hot aisles to the rear of the systems, as shown in Figure 7-4.
Figure 7-4 DS8880 air flow: Hot aisle/cold aisle approach
The operating temperature for the DS8880 is 16o - 32oC (60o - 90oF) at relative humidity limits of 20% - 80% and optimum at 45%.
 
 
 
Important: The following factors must be considered when the DS8880 is installed:
•Ensure that the air circulation for the DS8880 base frame and expansion frames is maintained free from obstruction to keep the unit operating in the specified temperature range.
•For safety reasons, do not store anything on top of the DS8880.
Power control features
The DS8880 has remote power control features that are used to control the power of the storage system through the HMC. For more information about power control features, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525.
Extended power line disturbance feature
The ePLD feature extends the uptime duration to 40 seconds. The system operates on battery before it starts a controlled shutdown if power is lost to a DS8880 frame. Without the ePLD feature, the duration is 4 seconds of operating on battery before the controlled shutdown. No additional physical connection planning is needed for the client with or without the ePLD feature.
7.2.6 Host interface and cables
The DS8886 can contain a maximum of 16 host adapters (HAs) in the base frame, and a maximum of eight HAs can be configured in the DS8884. The DS8886 allows an additional 16 HAs to be installed in the first expansion frame. The DS8884 can contain an additional eight HAs. With sixteen 8-port HAs, the maximum number is 128 HA ports. With sixteen 4-port HAs, the maximum number is 64 HA ports. For a full breakdown of the available ports on a DS8886, see Table 2-1 on page 43 in Chapter 2, “IBM DS8880 hardware components and architecture” on page 23.
Table 7-6 shows the minimum and maximum numbers of host adapters that are supported by the DS8880.
Table 7-6 Minimum and maximum host adapters
Storage system type
Storage system configuration
Minimum number of host adapter features for the base frame
Maximum number of host adapter features for the storage system
6-core
Base frame plus two expansion frames
2
16
8-core
Base frame
2
16
16-core or 24-core
Base frame plus 1 - 4 expansion frames
2
32
48-core
Base frame plus one expansion frame
2
32
Fibre Channel and Fibre Channel connection
Each host adapter port supports Fibre Channel Protocol (FCP) or Fibre Channel connection (FICON). However, it cannot support both topologies simultaneously on the same port. Fabric components from various vendors, including IBM, QLogic, Brocade, and Cisco, are supported by both environments.
 
The Fibre Channel and FICON shortwave host adapter, when it is used with 50 micron multi-mode fiber cable, supports point-to-point distances. For information about cable limits, see Table 7-7.
Table 7-7 Cabling type and limits according to speed
Cable type
Distance limits
 
4 Gbps
8 Gbps
16 Gbps
OM2 (50 μ)
150 m (492 ft.)
N/A
35 m (114.8 ft.)
OM3 (50 μ)
380 m (1,246.7 ft.)
150 m (492 ft.)
100 m (328 ft.)
OM4 (50 μ)
400 m (1,312.3 ft.)
190 m (623.3 ft.)
125 m (410.1 ft.)
The Fibre Channel and FICON longwave host adapter, when it is used with 9-micron single-mode fiber cable, extends the point-to-point distance to 10 km (6.2 miles) on 8 Gbps link speed with four ports or eight ports.
A 31-meter (102 ft.) fiber optic cable or a 2-meter (6.5 ft.) jumper cable can be ordered for each Fibre Channel adapter port.
Table 7-8 lists the fiber optic cable features for the FCP/FICON adapters.
Table 7-8 FCP/FICON cable features
Feature code
Length
Characteristics
Compatible Fibre Channel host adapter features
1410
40 m (131 ft.)
50 micron OM3 or higher, multimode
•Shortwave Fibre Channel or FICON host adapters (Feature codes 3153 and 3157)
•LC connector
1411
31 m (102 ft.)
50 micron OM3 or
higher, multimode
1412
2 m (6.5 ft.)
50 micron OM3 or
higher, multimode
1420
31 m (102 ft.)
9 micron OM3 or
higher, single mode
•Longwave Fibre Channel or FICON Host Adapters (Feature codes 3253 or 3257)
•LC connector
1421
31 m (102 ft.)
9 micron OM3 or
higher, single mode
1422
2 m (6.5 ft.)
9 micron OM3 or
higher, single mode
 
For more information about IBM supported attachments, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525
For the latest information about host types, models, adapters, and operating systems that are supported by the DS8880, see the DS8000 System Storage Interoperation Center (SSIC) at this website:
7.2.7 Host adapter Fibre Channel specifics for open environments
Each storage system host adapter has four or eight ports, and each port has a unique worldwide port name (WWPN). Each port can be configured as SCSI-FCP or FICON topology by using the data storage Management GUI or the DS CLI. Host adapters can be shortwave or longwave. Additional host adapters can be installed up to two host adapters per I/O enclosure.
With host adapters that are configured as FC protocols, the DS8880 provides the following configuration capabilities:
•A maximum of 128 Fibre Channel ports.
•A maximum of 509 logins per Fibre Channel port, which includes host ports and Peer-to-Peer Remote Copy (PPRC) target and initiator ports.
•Access to 63750 logical unit numbers (LUNs) for each target (one target for each host adapter), depending on the host type.
•Either Fibre Channel Arbitrated Loop (FC-AL), switched-fabric (FC-SW), or point-to-point topologies.
•The 16 Gbps adapter does not support arbitrated loop topology at any speed.
7.2.8 FICON specifics on z/OS environment
For host adapters that are configured for FICON, the DS8880 provides the following configuration capabilities:
•Fabric or point-to-point topologies
•A maximum of 64 ports on the DS8884 storage systems and a maximum of 128 host adapter ports on the DS8886 storage system
•A maximum of 509 logins for each host adapter port
•A maximum of 8,192 logins for each storage unit
•A maximum of 1,280 logical paths on each host adapter port
•Access to all 255 control-unit images (65,280 count-key-data (CKD) devices) over each FICON port
•A maximum of 512 logical paths for each control-unit image
 
Note: The IBM z13 servers support 32,000 devices for each FICON host channel. The IBM zEnterprise EC12 and IBM zEnterprise BC12 servers support 24,000 devices for each FICON host channel. Earlier z Systems servers support 16,384 devices for each FICON host channel. To fully access 65,280 devices, it is necessary to connect multiple FICON host channels to the storage system. You can access the devices through a Fibre Channel switch or FICON director to a single storage system.
7.2.9 Preferred practice for host adapters
For optimum availability and performance, the following practices are preferred:
•To obtain the maximum ratio for availability and performance, install one HA card on each available I/O enclosure before you install the second HA card on the same I/O enclosure.
•The DS8880 supports 16 Gbps 4-port host adapters, and 8 Gbps 4-port and 8-port host adapters. Based on the configuration, these host adapters or an intermixture of them can be installed in the DS8880.
•Better performance can be obtained from Copy Services by using dedicated host adapters for remote copy links.
7.2.10 WWNN and WWPN determination
The incoming and outgoing data to the DS8880 is tracked by using worldwide node name (WWNN) and worldwide port name (WWPN). For the DS8000, each storage facility image (SFI) has its own unique WWNN. The storage unit itself also has a unique WWNN. Each host adapter port has a unique and persistent WWPN for attachment to a SAN. The WWNN and WWPN values can be determined by using the DS CLI or DS Storage Management GUI.
Determining a WWNN by using a DS CLI
The DS8880 WWNN has an address that is similar to the following strings:
50:05:07:63:0z:FF:Cx:xx
50:50:07:63:0z:FF:Dx:xx
The z and x:xx values are unique combinations for each system and each SFI that are based on a machine’s serial number. Use the DS CLI command lssi to determine the SFI WWNN, as shown in Example 7-1.
Example 7-1 SFI WWNN determination
dscli> lssi
Date/Time: 5 November 2015 2:37:26 PM IBM DSCLI Version: 7.8.0.372 DS: -
Name ID Storage Unit Model WWNN State ESSNet
============================================================================
- IBM.2107-75DMC11 IBM.2107-75DMC10 981 5005076306FFD33A Online Enabled
Do not use the lssu command because it determines the storage unit WWNN, which is not used. Attached hosts see only the SFI, as shown in Example 7-2.
Example 7-2 Machine WWNN
dscli> lssu
Date/Time: 5 November 2015 3:01:13 PM IBM DSCLI Version: 7.8.0.372 DS: -
Name ID Model WWNN pw state
=====================================================
- IBM.2107-75DMC10 981 5005076306FFEB3A On
Determining a WWPN by using a DS CLI
Similar to the WWNN, a WWPN in the DS8880 looks like the following address:
50:05:07:63:0z:YY:Yx:xx
However, the DS8880 WWPN is a child of the SFI WWNN, where the WWPN inserts the z and x:xx values from SFI WWNN. It also includes the YY:Y, from the logical port naming, which is derived from where the host adapter is physically installed. Use the DS CLI command lsioport to determine the SFI WWPN, as shown in Example 7-3.
Example 7-3 WWPN determination
dscli> lsioport
Date/Time: 5 November 2015 3:02:58 PM IBM DSCLI Version: 7.8.0.372 DS: IBM.2107-
75DMC11
ID WWPN State Type topo portgrp
===============================================================
I0000 500507630600133A Online Fibre Channel-LW FICON 0
I0001 500507630600533A Online Fibre Channel-LW FICON 0
I0002 500507630600933A Online Fibre Channel-LW SCSI-FCP 0
I0003 500507630600D33A Online Fibre Channel-LW SCSI-FCP 0
I0010 500507630601133A Online Fibre Channel-SW SCSI-FCP 0
I0011 500507630601533A Online Fibre Channel-SW SCSI-FCP 0
I0012 500507630601933A Online Fibre Channel-SW SCSI-FCP 0
I0013 500507630601D33A Online Fibre Channel-SW SCSI-FCP 0
I0040 500507630604133A Online Fibre Channel-SW SCSI-FCP 0
I0041 500507630604533A Online Fibre Channel-SW SCSI-FCP 0
I0042 500507630604933A Online Fibre Channel-SW SCSI-FCP 0
I0043 500507630604D33A Online Fibre Channel-SW SCSI-FCP 0
I0100 500507630608133A Online Fibre Channel-LW FICON 0
I0101 500507630608533A Online Fibre Channel-LW FICON 0
I0102 500507630608933A Online Fibre Channel-LW SCSI-FCP 0
I0103 500507630608D33A Online Fibre Channel-LW SCSI-FCP 0
I0230 500507630613133A Online Fibre Channel-SW SCSI-FCP 0
I0231 500507630613533A Online Fibre Channel-SW SCSI-FCP 0
I0232 500507630613933A Online Fibre Channel-SW SCSI-FCP 0
I0233 500507630613D33A Online Fibre Channel-SW SCSI-FCP 0
I0330 50050763061B133A Online Fibre Channel-SW SCSI-FCP 0
I0331 50050763061B533A Online Fibre Channel-SW SCSI-FCP 0
I0332 50050763061B933A Online Fibre Channel-SW SCSI-FCP 0
I0333 50050763061BD33A Online Fibre Channel-SW SCSI-FCP 0
I0334 50050763065B133A Online Fibre Channel-SW SCSI-FCP 0
I0335 50050763065B533A Online Fibre Channel-SW SCSI-FCP 0
I0336 50050763065B933A Online Fibre Channel-SW SCSI-FCP 0
I0337 50050763065BD33A Online Fibre Channel-SW SCSI-FCP 0
Determining a WWNN by using a DS GUI
Use the following guidelines to determine the WWNN by using the DS8870 Storage Management GUI:
1. Connect by using a web browser to the HMC IP address:
https://< hmc IP address >
2. Select Actions.
3. Select Properties to obtain the WWNN value, as shown in Figure 7-5.
Figure 7-5 SFI WWNN value
Determine a WWPN by using a web GUI
Use the Storage Management GUI to determine the HA port WWPN:
1. Connect to the HMC IP address by using a web browser:
https://< hmc IP address >
2. Select Actions.
3. Select Modify I/O Port Protocols.
The default view shows protocols and state only. The view can be customized to display the port WWPN and the Frame.
4. Click Actions, and then select Customize Columns to include the WWPN and Frame in the view. You receive the full list of each installed I/O port with its WWPN and its physical location, as shown in Figure 7-6.
Figure 7-6 Determining the I/O port WWPN
7.3 Network connectivity planning
Implementing the DS8880 requires consideration of the physical network connectivity of the Hardware Management Console within your local area network.
Consider the following network and communications issues when you plan the location and interoperability of your storage systems:
•HMC network access (one IP per HMC)
•Remote support connection (embedded AOS) feature
•SAN connectivity
•IBM Security Key Lifecycle Manager connection if encryption is activated
•LDAP connection if LDAP is implemented
For more information about physical network connectivity, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525.
7.3.1 Hardware Management Console and network access
The HMCs are the focal point for the configuration of Advanced Function management, and maintenance for a DS8880 unit. The internal Hardware Management Console (HMC1) that is included with every base frame includes Ethernet adapters.
An optional, additional Hardware Management Console can be purchased. This secondary Hardware Management Console (HMC2) is mounted in the base of the primary rack, and it has connectivity to the storage system private networks. A dual Ethernet connection is also available for client access. The secondary HMC provides redundant management access to enable continuous availability access for encryption key servers and other advanced functions.
 
Important: The secondary HMC is directly connected to the private DS8880 Ethernet switches. An Ethernet connection for the client network is also available.
The HMC can be connected to the client network for the following tasks:
•Remote management of your system by using the DS CLI
•Remote management by using the DS Storage Management GUI by opening a browser to the network address of the HMC:
https://< HMC IP address>
To access the Hardware Management Consoles (HMC1/HMC2) over the network, provide the following information:
•Hardware Management Console: For each Hardware Management Console, determine one TCP/IP address, host name, and domain name.
•Domain name server (DNS) settings: If a DNS is to be implemented, ensure that it is reachable to avoid contention or network timeout.
•Gateway routing information: Supply the necessary routing information.
 
Important: The DS8880 uses 172.16.y.z and 172.17.y.z private network addresses. If the client network uses the same addresses, the IBM SSR can reconfigure the private networks to use another address range option.
7.3.2 IBM Spectrum Control
IBM Spectrum Control™ is an integrated software solution that can help you improve and centralize the management of storage environments. With IBM Spectrum Control, you can manage and configure multiple DS8000 storage systems from a single point of control.
IBM Spectrum Control simplifies storage management by providing the following benefits:
•Centralizing the management of heterogeneous storage network resources with IBM storage management software
•Providing greater synergy between storage management software and IBM storage devices
•Reducing the number of servers that are required to manage your software infrastructure
•Migrating from basic device management to storage management applications that provide higher-level functions
7.3.3 Data storage command-line interface
The IBM DS CLI can be used to create, delete, modify, and view Copy Services functions and for the logical configuration of a storage unit. These tasks can be performed interactively, in batch processes (operating system shell scripts), or in DS CLI script files. A DS CLI script file is a text file that contains one or more DS CLI commands. It can be issued as a single command. DS CLI can also be used to manage other functions for a storage system, including managing security settings, querying point-in-time performance information or the status of physical resources, and exporting audit logs.
The DS CLI client can be installed on a workstation, and can support multiple operating systems. The DS CLI client can access the DS8880 over the client’s network.
For more information about hardware and software requirements for the DS CLI, see the IBM System Storage DS Command-Line Interface User’s Guide for DS8000 series, SC53-1127.
7.3.4 Remote support connection (embedded AOS)
The preferred remote support connectivity method for IBM is through Internet Transport Layer Security (TLS) for the management console to IBM communication. The DS8000 now uses embedded AOS, which is available from code bundle Release 7.1. Embedded AOS is a secure, fast, broadband, and preferred form of remote access.
The existing remote solutions, Internet Protocol Security (IPSec), which is also called a virtual private network (VPN), and a modem are no longer options in the DS8880 family.
A typical remote support connection is shown in Figure 7-7.
Figure 7-7 DS8880 AOS remote support flow
Complete the following steps to prepare for attaching the DS8880 to the client’s network:
1. Assign a TCP/IP address and host name to the HMC in the DS8880.
2. If email notification for service alerts is allowed, enable the support on the mail server for the TCP/IP addresses that is assigned to the DS8880.
3. Use the information that was entered on the configuration worksheets during your planning.
7.3.5 Storage area network connection
The DS8880 can be attached to a storage area network (SAN) environment through its HA ports. The SAN provides the capability to interconnect open systems hosts, z Systems hosts, and other storage systems.
A SAN allows your host bus adapter (HBA) host ports to have physical access to multiple HA ports on the storage system. Zoning can be implemented to limit the access (and provide access security) of host ports to the storage system. Shared access to a storage system HA port is possible from hosts that support a combination of host bus adapter types and operating systems.
 
Important: A SAN administrator must verify periodically that the SAN is working correctly before any new devices are installed. SAN bandwidth must also be evaluated to ensure that it can handle the new workload.
7.3.6 Key manager servers for encryption
The DS8880 is delivered with FDE drives. When you activate encryption, isolated key managers are required.
With DS8880 Release 8.1 code, you have a choice between IBM SKLM and the Gemalto SafeNet KeySecure, if you must comply with KMIP. Note that you cannot mix SKLM and Safenet key servers.
For more information, see IBM DS8880 Data-at-rest Encryption, REDP-4500.
Encryption activation review planning
IBM Encryption offerings must be activated before they are used. This activation is part of the installation and configuration steps that are required to use the technology.
Using the IBM Security Key Lifecycle Manager
A Security Key Lifecycle Manager license is required for use with the SKLM software. Two isolated SKLM servers are required to enable encryption on the DS8880 system.
IBM Storage Appliance 2421 Model AP1 can be ordered in these configurations:
•A single isolated key server (Feature Code (FC) 1761)
•Two isolated key servers (FC1761 and FC1762, which are ordered together)
This order must include an indicator for IBM Security Key Lifecycle Manager (FC0952), which indicates that a DVD with IBM Security Key Lifecycle Manager software is provided with the Storage Appliance AP1. For more information, search for IBM Storage Appliance 2421 Model AP1 at the IBM Publications Center website:
 
Important: Regardless of the ordering method, clients must acquire an SKLM license for the use of the SKLM software, which is ordered separately from the stand-alone server hardware.
Note: The licensing for SKLM includes both an installation license for the SKLM management software and licensing for the encrypting drives.
The DS8000 series supports IBM Security Key Lifecycle Manager v2.5 or later.
For encryption and National Institute of Standards and Technology (NIST) SP-8131, a compliant connection between the HMC and the key server, IBM Security Key Lifecycle Manager v2.5 or later, is required. Starting from v2.5, the name of Security Key Lifecycle Manager was changed to IBM Security Key Lifecycle Manager.
Isolated key servers that are ordered with MT 2421-AP1 and Feature Code 1762 include a Linux operating system and IBM Security Key Lifecycle Manager or IBM Security Key Lifecycle Manager software that is preinstalled. You are advised to upgrade to the latest version of the IBM Security Key Lifecycle Manager.
Security Key Lifecycle Manager connectivity and routing information
To connect the IBM SKLM to your network, provide the following settings to your IBM SSR:
•IBM Security Key Lifecycle Manager server network IDs, host names, and domain name
•DNS settings (if you plan to use DNS to resolve network names)
Two network ports must be opened on a firewall to allow DS8880 connection and to obtain an administration management interface to the IBM Security Key Lifecycle Manager server. These ports are defined by the IBM Security Key Lifecycle Manager administrator.
For more information, see the following IBM publications for SKLM:
•IBM Security Key Lifecycle Manager Quick Start Guide, GI13-2316
•IBM Security Key Lifecycle Manager Installation and Configuration Guide, SC27-5335
7.3.7 Lightweight Directory Access Protocol server for single sign-on
The DS8000 system supports both unified sign-on or single sign-on (SSO) functions, which are available through the DS8000 Storage Management GUI, and the ability to specify an existing LDAP server. The LDAP server can use existing users and user groups for authentication on the DS8000 system.
With Release 8.1 and later, LDAP can be enabled through Copy Services Manager, which is packaged with the HMC code. Alternatively, you can use the LDAP access going through any Copy Services Manager server. For more information, see IBM DS8880 Integrated Copy Services Manager and LDAP Client on the HMC, REDP-5356.
 
7.4 Remote Mirror and Copy connectivity
The DS8880 uses the high-speed FCP for Remote Mirror and Copy connectivity. Ensure that you assigned sufficient FCP paths for the remote mirroring between the source and target sites to address performance and redundancy issues. When you plan Metro Mirror and Global Copy modes between a pair of storage systems, use separate logical and physical paths for the Metro Mirror. Use another set of logical and physical paths for the Global Copy.
Plan the distance between the primary and auxiliary storage systems carefully to correctly acquire the necessary length of fiber optic cables that are required. If necessary, the Copy Services solution can include hardware, such as channel extenders or dense wavelength division multiplexing (DWDM).
For more information, see IBM DS8870 Copy Services for Open Systems, SG24-6788, and IBM DS8870 Copy Services for IBM z Systems, SG24-6787.
7.5 Disk capacity considerations
The effective capacity of the DS8880 is determined by the following factors:
•The spare configuration
•The capacity of the installed drives
•The selected RAID configuration: RAID 5, RAID 6, or RAID 10
•The storage type: Fixed block (FB) or CKD
7.5.1 Disk sparing
RAID arrays automatically attempt to recover from a drive failure by rebuilding the data for the failed drive to a spare disk drive module (DDM). For sparing to occur, a drive with a capacity equal to or greater than the failed drive must be available on the same device adapter pair. After the sparing is initiated, the spare and the failing drives are swapped between their respective array sites so that the spare drive becomes part of the array site that is associated with the array at the failed drive. The failing drive becomes a failed spare drive in the array site from which the spare came.
Standard drive enclosure
The DS8880 assigns spare disks automatically. The following list shows the requirements for spares:
•Four spares are needed for each DA pair of the same capacity and speed.
•If the speed is the same, the spares are the higher capacity.
•If only two arrays are on the DA pair, only two spares are assigned. Two more spares are assigned when two more arrays are added to the DA pair.
The enhanced sparing feature allows the deferral of servicing of the failed drives until one good spare remains on the DA pair. Currently, all failed drives in the system send notifications for service.
High-performance flash enclosure
Each high-performance flash enclosure (HPFE) is installed with either 16 or 30 flash cards. Two spare flash cards are assigned. If a flash card fails, and a spare is taken, the system calls for service because only one good spare remains in the HPFE (DA pair).
For more information about the DS8000 sparing concepts, see the IBM System Storage DS8880 Introduction and Planning Guide, GC27-8525, and 3.5.9, “Spare creation” on page 84.
7.5.2 Disk capacity
The DS8880 operates in a RAID 5, RAID 6, or RAID 10 configuration. The following RAID configurations are possible:
•6+P RAID 5 configuration: The array consists of six data drives and one parity drive. The remaining drive on the array site is used as a spare.
•7+P RAID 5 configuration: The array consists of seven data drives and one parity drive.
•5+P+Q RAID 6 configuration: The array consists of five data drives and two parity drives. The remaining drive on the array site is used as a spare.
•6+P+Q RAID 6 configuration: The array consists of six data drives and two parity drives.
•3+3 RAID 10 configuration: The array consists of three data drives that are mirrored to three copy drives. Two drives on the array site are used as spares.
•4+4 RAID 10 configuration: The array consists of four data drives that are mirrored to four copy drives.
Table 7-9 shows the effective capacity of one rank in the various possible configurations.
A drive set contains 14 - 16 drives, which form two array sites. The drive capacity is added in increments of one disk drive set. Flash cards are added in increments of drive sets. Sixteen cards are included with HPFE, and an optional second drive set of 14 flash cards can be added. The capacities in the table are expressed in decimal gigabytes and as the number of extents.
 
Important: Because of the larger metadata area, the net capacity of the ranks is lower than in previous DS8000 models.
Table 7-9 DS8880 disk drive set capacity for open systems and z Systems environments
Disk size/ Rank type
Effective capacity of one rank in decimal GB (number of extents)
Rank of RAID 10 arrays
Rank of RAID 6 arrays
Rank of RAID 5 arrays
3 + 3
4 +4
5 + P + Q
6 + P + Q
6 + P
7 + P
300 GB/FB
813.90
(758)
1097.36
(1022)
1347.55
(1255)
1629.87
(1517)
1664.30
(1550)
1947.7
(1814)
300 GB/CKD
804.10
(850)
1084.12
(1146)
1331.98
(1408)
1610.10
(1702)
1644.16
(1738)
1924.18
(2034)
600 GB/FB
1676.11
(1561)
2247.34
(2093)
2750.93
(2562)
3318.94
(3091)
3383.73
(3141)
3959.96
(3688)
600 GB/CKD
1656.46
(1751)
2220.27
(2347)
2718.82
(2874)
3279.80
(3467)
3348.86
(3540)
3912.68
(4136)
1.2 TB/FB
3389.80
(3157)
4532.26
(4221)
5541.58
(5161)
6676.53
(6218)
6816.11
(6348)
7958.577
(7412)
1.2 TB/CKD
3349.81
(3541)
4478.39
(4734)
5475.48
(5788)
6597.44
(6974)
6735.56
(7120)
7864.14
(8313)
200 GB (flash drives)/FB
494.99
(461)
673.24
(627)
803.00
(733)
 
1006.10
(937)
 
1027.57 (957)
 
1205.81 (1123)
 
200 GB (flash drives)/CKD
490.03
(518)
665.04
(703)
820.19
(867)
994.25
(105.1)
1016.01 (1074)
 
1191.02 (1259)
 
400 GB 2.5-in. flash drives (SSD)/FB
1126.36
(1049)
1513.98
(1410)
1856.50
(1729)
2241.97
(2088)
2289.22
(2132)
2676.84
(2493)
400 GB 2.5-in flash drives (SSD)/CKD
1112.50
(1176)
1498.63
(1581)
1834.30
(1939)
2214.60
(2327)
2261.90
(2391)
2645.03
(2796)
800 GB (flash drives)/FB
2290.29
(2133)
3065.53
(2855)
3750.58
(3493)
4521.53
(4723)
4,617.09
(4300)
 
5,392.33
(5022)
 
800 GB (flash drives)/CKD
2262.85
(2392)
3029.11
(3202)
3706.45
(3918)
4467.98
(4723)
4561.64
(4822)
 
5328.85
(5633)
 
400 GB (flash cards)/FB
N/A
N/A
N/A
N/A
2289.22
(2132)
N/A
400 GB (flash cards)/CKD
N/A
N/A
N/A
N/A
2261.90
(2391)
N/A
1.6 TB
(flash drive SSD)/FB
4617.09
(4300)
6168.65
(5745)
7539.82
(7022)
9081.71
(8458)
9271.76
(8635)
10823.32
(10,080)
1.6 TB
(flash drive SSD)/CKD
4562.58
(4823)
6096.06
(6444)
7450.74
(7876)
8974.75
(9487)
9162.06
(9685)
10695.64
(11,306)
1.8 TB disk drives FB
5103.49
(4753)
6817.19
(6439)
 
8331.16
(7759)
10034.12
(9345)
10243.50
(9540)
11957.19
(111136)
1.8 TB disk drivers CKD
5043.16
(5331)
6736.51
(7121)
8232.14
(8702)
9915.08
(10481)
10122.26
(10700)
11815.61
(12490)
3 TB disk drives (NL) FB
8530.88
(7945)
11387.03
(10605)
13911.40
(12956)
16749.30
(15599)
N/A
N/A
3 TB disk drives (NL) CKD
8429.85
(8911)
11251.79
(11894)
13746.41
(14531)
16551.31
(17496)
N/A
N/A
4 TB
(NL)/FB
11385.96
(10604)
15180
(14138)
18533.86
(17261)
22304.84
(20773)
N/A
N/A
4 TB
(NL)/CKD
11250.84
(11890)
15,000.81
(15857)
18313.72
(19359)
22040.98
(23299)
N/A
N/A
6 TB
(NL)/CKD
17136.92
(15960)
22849.23
(21280)
27896.89
(25981)
33573.76
(31268)
N/A
N/A
6 TB
(NL)/CKD
16933.50
(17900)
22578.31
(23867)
27566.60
(29140)
33176.41
(35070)
N/A
N/A
 
 
Important: When you review Table 7-9 on page 197, keep in mind the following points:
•Effective capacities are in decimal gigabytes (GB). One GB is 1,000,000,000 bytes.
•Although drive sets contain 16 drives, arrays use only eight drives. The effective capacity assumes that you have two arrays for each disk drive set.
An updated version of Capacity Magic can help you determine the raw and net storage capacities and the numbers for the required extents for each available type of RAID.
7.5.3 DS8000 flash drives: Considerations
Flash drives (solid-state drives (SSDs)) are a higher performance option when compared to hard disk drives (HDDs). For the DS8880, flash drives are available in 200 GB, 400 GB, 800 GB, and 1.6 TB capacity.
All drives that are installed in a standard drive enclosure pair must be of the same capacity and speed.
Flash drives are ordered in drive sets of 16 for all capacities.
Limitations
Drives of different capacities cannot be intermixed in a standard drive enclosure pair.
Placement
The following rules apply to the placement of flash drives:
•Flash drive sets are installed and configured by IBM manufacturing based on the flash drive enclosure feature that is listed on the client’s order. These features are an indicator that determines how manufacturing distributes flash drive sets over the available flash drive enclosure pairs.
For example, if the client order specifies two flash drive enclosure pairs (FC1245) and two drive sets of 400 GB flash drives, the system ships with two flash drive enclosure pairs with 16 flash drives for each enclosure pair.
•The sequence in which drive types are installed is based on capacity, from the highest to the lowest. Therefore, 1.6 TB drives are installed first, followed by 800 GB, 400 GB, and 200 GB flash drives.
7.5.4 DS8000 flash cards: Considerations
Flash cards are a higher performance option when compared to flash drives and other hard disk drives. Flash cards are installed in the HPFE. Flash cards are 1.8-inch drives of 400 GB or 800 GB capacity.
When an HPFE is ordered, also order a set of 16 flash cards. Additionally, the optional second flash card set of 14 can be ordered to fully configure the HPFE to 30 flash cards.
Currently, the flash cards support RAID 5 and RAID 10.
The system always places volume metadata on the highest performance tier of an extent pool. To ensure best performance for your system, have at least ten percent of flash capacity in each pool. This percentage of flash capacity should be enough to ensure that all volume metadata resides on flash.
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