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HP AD510A HP StorageWorks 1500 Modular Smart Array installation guide (355901 - Page 40

Step 9: Connect the cables, Cabling best practices

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Step 9: Connect the cables At this point in the process of installing your MSA, you have either installed your new SAN or prepared your existing SAN for the MSA, your server is ready, your switch is ready, and the MSA is ready. Now is the time for: • Connecting the SCSI cables • Connecting the Fibre Channel cables • Connecting the power cords Each of these connection types is discussed in the following paragraphs. Cabling best practices • Use the shortest possible cable between devices. Shorter cables are easier to manage and route along the back of the rack. In addition, shorter cables reduce the possibility of signal degradation that may occur over longer distances. • Gather the cables in the rear of the MSA to ensure that the cabling in the back of the rack system does not interfere with system operation or maintenance. Bind the cables loosely with cable ties and route the excess cables out of the way, along the side of the rack. When the cables are tied together and routed down the side of the rack, system components and indicators are easily visible and accessible. • Attach a label near both ends of each cable to identify the device connected to that cable. Include the device, device name, port, or other information that you think will be helpful. • Use colored markers to color code both ends of each cable, to help you visually identify a particular cable without having to read or locate the label. • In multipath configurations, you may want to loosely bind the matching pair of cables that connect the devices. • In environments having dual-controller (active/passive) multiservers (especially different server models), it is important to ensure that the active HBA in each server is connected to the Fibre Channel SAN switch that is connected to the active controller in the MSA1500, and the passive HBA in each server is connected to the Fibre Channel SAN switch that is connected to the passive controller in the MSA1500. HP recommends the following: • Connect the first Fibre Channel HBA that is initialized during the POST to the active Fibre Channel interconnect switch (that is, the Fibre Channel SAN switch that is connected to the MSA1500 active controller-which is usually the controller on the right as you look at the MSA1500 from the front). NOTE: Typically, the first Fibre Channel HBA that is initialized during the POST is the Fibre Channel HBA on the lower slot number. However, because this can change depending on your server architecture, always check your specific system architecture first. • Connect the second Fibre Channel HBA that is initialized during the POST to the passive Fibre Channel Interconnect Switch (that is, the Fibre Channel SAN switch that is connected to the MSA1500 passive controller-which is usually the controller on the left as you look at the MSA1500 from the front). 40 Installation procedures-All deployments

Section	Page
Contents	3
Intended audience	7
Prerequisites	8
Related documentation	8
Document conventions and symbols	9
Table 1 Document conventions	9
Equipment symbols	10
Rack stability	11
HP technical support	11
HP-authorized reseller	12
Helpful websites	12
Installation procedures-All deployments	13
Figure 1: Overview of MSA installation procedures	14
Step 1: Review and confirm your plans	15
Determine which version of MSA controller firmware to use	15
Table 2 Basic MSA firmware and configuration options	16
Complete the planning worksheet on the poster	17
Go to the Internet for the most recent MSA and SAN information	18
Table 3 MSA1500 and SAN-related websites (continued)	18
Review MSA installation best practices	21
Planning	21
Installation	21
Ongoing	24
Plan your storage configuration	25
System and performance expectations	25
Striping methods	25
RAID levels	26
Table 4 RAID level comparison	26
Hard drive sizes and types	27
Spare drives	27
Array sizing (capacity)	27
Step 2: Prepare your site	28
Provide adequate structural support for the floor	28
Provide adequate clearance space and ventilation	28
Provide adequate and redundant sources of power	28
Table 5 MSA1500 specifications	29
Step 3: Install MSA option kits	30
Step 4: Rack the MSA and the storage enclosures	31
Rack installation best practices	31
Step 5: Install the hard drives	36
Step 6: Prepare your servers	37
Step 7: Install the HBA in your servers	38
Step 8: Prepare your switches	39
Step 9: Connect the cables	40
Cabling best practices	40
Connecting the SCSI cables	42
Recommended SCSI cable connections	42
Figure 2 SCSI I/O modules, bus numbers, and box numbers	42
Supported and unsupported SCSI connections	43
Table 6 Supported and Unsupported SCSI cable connections	43
Connecting the MSA to SATA storage enclosures	44
Figure 3 SCSI cable connections to two MSA20 SATA storage enclosures	44
Connecting the MSA to SCSI storage enclosures	45
Figure 4 SCSI cable connections to one MSA30 SCSI storage enclosure	45
Connecting the Fibre Channel cables	46
Connecting Fibre Channel cables in a singlepath configuration	47
Figure 5 Sample Fibre Channel cable connections, singlepath configuration	47
Connecting Fibre Channel cables in a multipath configuration	48
Figure 6 Sample Fibre Channel cable connections, multipath configuration	48
Connecting the power cords	49
Table 7 Levels of protection against power failures	49
Figure 7 Connecting the power cords using two UPSs	51
Step 10: Power on the devices	52
Verify the operating status of the MSA	53
View the LEDs on the MSA	53
Table 8 MSA1500 startup status lights	53
Read the messages on the controller display panel	54
Table 9 MSA1500 startup messages	54
Verify the operating status of the storage enclosures	54
Verify the operating status of the Fibre Channel switches	55
Verify the operating status of the servers	55
Step 11: Configure your MSA	56
Obtain desired controller firmware and Support Software CD versions	56
Determine which storage configuration utility to use	57
About the MSA Command Line Interface	57
About the Array Configuration Utility	57
About the Array Configuration Utility Command Line Interface	58
Configure the MSA	59
Configuration procedures-Windows environments	61
Prerequisites	61
Installing MSA-specific components on the servers	62
Updating MSA controller firmware (if necessary)	64
Configuring the storage	65
Configuration procedures-Linux environments	67
Prerequisites	67
Installing MSA-specific components on the servers	68
Updating MSA controller firmware (if necessary)	70
Configuring the storage	71
Configuration procedures-HP-UX environments	73
Prerequisites	73
Additional HP-UX support notes	74
Table 10 HP-UX required updates for active/active	74
Installing the ACU-CLI on the servers (optional)	75
Updating MSA controller firmware (if necessary)	76
Configuring the storage	76
Configuration procedures-OpenVMS environments	79
Prerequisites	79
Obtaining World Wide Port Names	80
Installing the current Fibre_SCSI patch on the servers	81
Table 11 OpenVMS Fibre_SCSI patches (as of August 2006)	81
Updating MSA controller firmware (if necessary)	82
Configuring the storage	82
Assigning ID Numbers to the controllers and LUNs	83
Configuration procedures-VMware environments	85
Prerequisites	85
Updating MSA controller firmware (if necessary)	86
VMware-specific tasks	86
Configuring the storage	89
Configuration procedures-Other environments	91
Prerequisites	91
Operating system-specific notes	92
NetWare environments	92
Tru64 UNIX environments	93
SCO UNIX environments	93
Updating MSA controller firmware (if necessary)	94
Configuring the storage	94
Powering off and powering on the MSA	97
Powering off the MSA	97
Powering on the MSA	98
Regulatory notices	101
Regulatory Compliance identification numbers	101
Federal Communications Commission notice	101
Modifications	101
Cables	101
Canadian notice (Avis Canadien)	101
European Union notice	102
Japanese notice	102
Japanese power cord notice	102
BSMI notice	102
Laser compliance	103
Battery replacement notice	104
Disposal of waste equipment by users in private households in the European Union	104
Electrostatic discharge	105
Prevention methods	105
Grounding methods	105
Worksheets	107
Table 12 MSA1500 information	108
Table 13 External Fibre Channel interconnect device (switch) information	109
Table 14 Server information	110
Table 15 Hard drive information	114
Table 16 Array (LUN) information	118
Index	121
A	121
B	121
C	121
D	121
E	121
F	121
G	122
H	122
I	122
L	122
M	122
N	123
O	123
P	123
R	123
S	123
T	124
U	124
V	124

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Installation procedures—All deployments

Step 9: Connect the cables

At this point in the process of installing your MSA, you have either installed your new SAN or

prepared your existing SAN for the MSA, your server is ready, your switch is ready, and the MSA is

ready. Now is the time for:

•

Connecting the SCSI cables

•

Connecting the Fibre Channel cables

•

Connecting the power cords

Each of these connection types is discussed in the following paragraphs.

Cabling best practices

•

Use the shortest possible cable between devices. Shorter cables are easier to manage and route

along the back of the rack. In addition, shorter cables reduce the possibility of signal

degradation that may occur over longer distances.

•

Gather the cables in the rear of the MSA to ensure that the cabling in the back of the rack

system does not interfere with system operation or maintenance. Bind the cables loosely with

cable ties and route the excess cables out of the way, along the side of the rack. When the

cables are tied together and routed down the side of the rack, system components and

indicators are easily visible and accessible.

•

Attach a label near both ends of each cable to identify the device connected to that cable.

Include the device, device name, port, or other information that you think will be helpful.

•

Use colored markers to color code both ends of each cable, to help you visually identify a

particular cable without having to read or locate the label.

•

In multipath configurations, you may want to loosely bind the matching pair of cables that

connect the devices.

•

In environments having dual-controller (active/passive) multiservers (especially different server

models), it is important to ensure that the active HBA in each server is connected to the Fibre

Channel SAN switch that is connected to the active controller in the MSA1500, and the passive

HBA in each server is connected to the Fibre Channel SAN switch that is connected to the

passive controller in the MSA1500. HP recommends the following:

•

Connect the

first

Fibre Channel HBA that is initialized during the POST to the active Fibre

Channel interconnect switch (that is, the Fibre Channel SAN switch that is connected to the

MSA1500

active

controller—which is usually the controller on the right as you look at the

MSA1500 from the front).

NOTE:

Typically, the first Fibre Channel HBA that is initialized during the POST is the Fibre

Channel HBA on the lower slot number. However, because this can change depending on

your server architecture, always check your specific system architecture first.

•

Connect the

second

Fibre Channel HBA that is initialized during the POST to the passive

Fibre Channel Interconnect Switch (that is, the Fibre Channel SAN switch that is connected to

the MSA1500

passive

controller—which is usually the controller on the left as you look at the

MSA1500 from the front).