Lenovo DM120S Manual de usuario

Installation and Cabling Guide for DM120S,

DM240S, and DM600S

Machine Types: 7Y58, 7Y5 , and 7Y43

First Edition (September 2018)

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services

Administration (GSA) contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-

05 25.

Contents

Chapter 1. Installing and cabling

disk shelves with IOM12 modules for a

new system installation . . . . . . . . . 1

Requirements for installing and cabling disk

shelves with IOM12 modules for a new system

installation . . . . . . . . . . . . . . . . . . 1

Considerations for installing and cabling disk

shelves with IOM12 modules for a new system

installation . . . . . . . . . . . . . . . . . . 1

Installing disk shelves with IOM12 modules for a

new system installation . . . . . . . . . . . . . 2

Cabling disk shelves with IOM12 modules for a

new system installation . . . . . . . . . . . . . 4

Chapter 2. Hot-adding disk shelves

with IOM12 modules . . . . . . . . . . . 9

Requirements for hot-adding disk shelves with

IOM12 modules . . . . . . . . . . . . . . . .

Considerations for hot-adding disk shelves with

IOM12 modules . . . . . . . . . . . . . . . .

Installing disk shelves with IOM12 modules for a

hot-add . . . . . . . . . . . . . . . . . . 10

Cabling disk shelves with IOM12 modules for a

hot-add . . . . . . . . . . . . . . . . . . 12

Chapter 3. Changing the disk shelf

ID . . . . . . . . . . . . . . . . . . . . 17

Chapter 4. Controller-to-stack

cabling worksheets and cabling

examples for common multipath HA

configurations . . . . . . . . . . . . . 19

Controller-to-stack cabling worksheets and

cabling examples for multipath HA configurations

with quad-port SAS HBAs . . . . . . . . . . . 1

Controller-to-stack cabling worksheets and

cabling examples for multipath HA configurations

with four onboard SAS ports . . . . . . . . . . 23

Chapter 5. Controller-to-stack

cabling worksheets and cabling

examples for common DM3000x,

DM5000x, or DM7000x

configurations . . . . . . . . . . . . . 29

Chapter 6. Controller-to-stack

cabling worksheet and cabling example

for a quad-path HA configuration with

two quad-port SAS HBAs . . . . . . . 31

Chapter 7. SAS cabling rules . . . . . 35

Configuration rules . . . . . . . . . . . . . 35

Controller slot numbering rules . . . . . . . . . 35

Shelf-to-shelf connection rules . . . . . . . . . 36

Controller-to-stack connection rules. . . . . . . 37

Chapter 8. Controller-to-stack

cabling worksheet template for

multipathed connectivity . . . . . . . 43

Chapter 9. How to read a worksheet

to cable controller-to-stack connections

for multipathed connectivity . . . . . . 47

Chapter 10. Controller-to-stack

cabling worksheet template for quad-

pathed connectivity . . . . . . . . . . 49

Chapter 11. How to read a

worksheet to cable controller-to-stack

connections for quad-pathed

connectivity . . . . . . . . . . . . . . 51

Chapter 12. Recommended AC

power line sizes . . . . . . . . . . . . 55

Appendix A. Contacting Support . . . 57

Appendix B. Notices. . . . . . . . . . 59

Trademarks . . . . . . . . . . . . . . . . 60

Index . . . . . . . . . . . . . . . . . . 61

ii Installation and Cabling Guide for DM120S, DM240S, and DM600S

Chapter 1. Installing and cabling disk shelves with IOM12

modules for a new system installation

If your new system did not come installed in a cabinet, you must install and cable the disk shelves in a rack.

Requirements for installing and cabling disk shelves with IOM12

modules for a new system installation

You must meet certain requirements before installing and cabling the disk shelves.

• Disk shelves and controllers must not be powered on at this time.

• You must have the Installation and Setup Instructions (ISI) that came with your new system. The ISI

addresses system setup and configuration for your new system. You use the ISI in conjunction with this

procedure to install and cable the disk shelves.

ISIs are also available on the Lenovo Support Web site.

Lenovo Data Center Support

Considerations for installing and cabling disk shelves with IOM12

modules for a new system installation

You should familiarize yourself with aspects and best practices about this procedure before installing and

cabling the disk shelves.

General considerations

• Disk shelves with IOM12 modules are shipped with shelf IDs preset to 00.

Note: If you have an HA pair with at least two stacks, the disk shelf containing the root aggregates for the

second stack has the shelf ID preset to 10.

You must set shelf IDs so they are unique within the HA pair configuration. You can manually set shelf IDs

or have shelf IDs automatically assigned for all disk shelves in the HA pair configuration using a command

in maintenance mode. Instructions for both methods are provided.

• Disk shelves containing the root aggregates can be identified by the labels on the disk shelf box and disk

shelf chassis.The labels show the stack number; for example, “Loop or Stack #: 1” and “Loop or Stack #:

2 ”. Disk shelves that do not contain the root aggregates only show the disk shelf serial number is on the

labels.

• If at system setup and configuration, you do not configure the system to use automatic disk ownership

assignment, you need to manually assign disk ownership.

• In-band Alternate Control Path (ACP) is automatically enabled.

Best practice considerations

• The best practice is to have the current version of the Disk Qualification Package (DQP) installed. Having

the current version of the DQP installed allows your system to recognize and utilize newly qualified disk

drives; therefore, avoiding system event messages about having non-current disk drive information. You

also avoid the possible prevention of disk partitioning because disk drives are not recognized. The DQP

also notifies you of non-current disk drive firmware.

Lenovo Data Center Support

SAS cable handling considerations

• Visually inspect the SAS port to verify the proper orientation of the connector before plugging it in. The

SAS cable connectors are keyed. When oriented correctly into a SAS port, the connector clicks into place

and if the disk shelf power is on at the time, the disk shelf SAS port LNK LED illuminates green. For disk

shelves, you insert a SAS cable connector with the pull tab oriented down (on the underside of the

connector).

For controllers, the orientation of SAS ports can vary depending on the platform model; therefore, the

correct orientation of the SAS cable connector varies.

• To prevent degraded performance, do not twist, fold, pinch, or step on the cables. Cables have a

minimum bend radius. Cable manufacturer specifications define the minimum bend radius; however, a

general guideline for minimum bend radius is 10 times the cable diameter.

• Using Velcro wraps instead of tie-wraps to bundle and secure system cables allows for easier cable

adjustments.

Installing disk shelves with IOM12 modules for a new system installation

You install the disk shelves in a rack using the rack mount kits that came with the disk shelves.

About this task

For DM120S and DM240S, the video for this task is available at:

• Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-Bl5q5uqIV0US3rLklB5GOP

• Youku: https://list.youku.com/albumlist/show/id_51 48223

For DM600S, the video for this task is available at:

• Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-BDPWjJVZFuHRfNWPEOhFWJ

• Youku: https://list.youku.com/albumlist/show/id_51 50116

Step 1. Install the rack mount kit (for two-post or four-post rack installations) that came with your disk shelf

using the installation flyer that came with the kit.

Attention: If you are installing multiple disk shelves, you should install them from the bottom to the

top of the rack for the best stability.

Do not flange-mount the disk shelf into a telco-type rack; the disk shelf's weight can cause it to

collapse in the rack under its own weight.

Step 2. Install and secure the disk shelf onto the support brackets and rack using the installation flyer that

came with the kit.

When installing DM600S disk shelves, remove the power supplies and I/O modules (IOMs) to make

the disk shelf lighter and easier to maneuver.

Step 3. If you are installing a DM600S disk shelf, install the components into the racked disk shelf;

otherwise, go to the next step.

If you purchased a partially populated disk shelf which does not have a drive in every drive slot, you

must ensure that:

• The first four slots (0, 3, 6, and ) are occupied in each drawer. This ensures proper airflow in the

disk shelf.

• In a shelf with 30 drives, the remaining ten drives are distributed evenly throughout the shelf in

slots 1 and 10 of each drawer.

2Installation and Cabling Guide for DM120S, DM240S, and DM600S

The following illustration shows how the drives are numbered from 0 to 11 in each drive drawer

within the shelf. In a shelf containing 30 drives, slots 0, 1, 3, 6, , and 10 must contain drives.

a. Reinstall any power supplies and IOMs you removed prior to installing your disk shelf into the

rack.

b. Open the top drawer of the shelf.

c. Raise the cam handle on the drive to vertical.

d. Align the two raised buttons on each side of the drive carrier with the matching gap in the drive

channel on the drive drawer.

1 Raised button on the right side of the drive carrier

e. Lower the drive straight down, and then rotate the cam handle down until the drive snaps into

place under the orange release latch.

f. Repeat the previous substeps for each drive in the drawer.You must be sure that slots 0, 3, 6,

and in each drawer contain drives.

g. Carefully push the drive drawer back into the enclosure.

Attention: Possible loss of data access – Never

slam the drawer shut. Push the drawer in slowly to

avoid jarring the drawer and causing damage to the

storage array.

h. Close the drive drawer by pushing both levers towards the center.

Chapter 1.Installing and cabling disk shelves with IOM12 modules for a new system installation 3

i. Repeat these steps for each drawer in the disk shelf.

Step 4. If you are adding multiple disk shelves, repeat this procedure for each disk shelf you are installing.

Note: Do not power on the disk shelves at this time.

Cabling disk shelves with IOM12 modules for a new system installation

You cable disk shelf SAS connections, shelf-to-shelf (as applicable) and controller-to-shelf, to establish

storage connectivity for the system.

Before you begin

You must have met the requirements in the “Requirements for installing and cabling disk shelves with IOM12

modules for a new system installation” section and installed the disk shelves in the rack.

About this task

After you cable the disk shelves, you power them on, set the shelf IDs, and complete system setup and

configuration.

Step 1. Cable the shelf to shelf connections within each stack. If the system has more than one stack,

repeat this for the second stack. Otherwise, go to the next step.

For a detailed explanation and examples of shelf-to-shelf “standard” cabling and shelf-to-shelf

“double-wide” cabling, see the “shelf-to-shelf connection rules” section.

4Installation and Cabling Guide for DM120S, DM240S, and DM600S

If... Then...

You are cabling a multipath HA, multipath,

single-path HA, or single-path configuration Cable the shelf-to-shelf connections as

“standard” connectivity (using IOM ports 3 and

1):

a. Beginning with the logical first shelf in the

stack, connect IOM A port 3 to the next shelf's

IOM A port 1 until each IOM A in the stack is

connected.

b. Repeat substep a for IOM B.

c. Repeat substeps a and b for each stack.

You are cabling a quad-path HA or quad-path

configuration Cable the shelf-to-shelf connections as

“double-wide” connectivity:

You cable the standard connectivity using IOM

ports 3 and 1 and then the double-wide

connectivity using IOM ports 4 and 2.

a. Beginning with the logical first shelf in the

stack, connect IOM A port 3 to the next shelf's

IOM A port 1 until each IOM A in the stack is

connected.

b. Beginning with the logical first shelf in the

stack, connect IOM A port 4 to the next shelf's

IOM A port 2 until each IOM A in the stack is

connected.

c. Repeat substeps a and b for IOM B.

d. Repeat substeps a through c for each stack.

Step 2. Identify the controller SAS port pairs that you can use to cable the controller-to-stack connections.

a. Check the controller-to-stack cabling worksheets and cabling examples sections to see

whether a completed worksheet exists for your configuration.

b. The next step depends on whether a completed worksheet exists for your configuration:

If... Then...

There is a completed worksheet for

your configuration

Go to the next step.

You use the existing completed worksheet.

There is no completed worksheet for

your configuration

Fill out a controller-to-stack cabling worksheet template.

Worksheet templates can be found towards the back of this

guide.

Step 3. Cable the controller-to-stack connections using the completed worksheet.

Chapter 1.Installing and cabling disk shelves with IOM12 modules for a new system installation 5

Instructions about how to read a worksheet to cable controller-to-stack connections can be found

towards the back of this guide.

Step 4. Connect the power supplies for each disk shelf:

a. Connect the power cords first to the disk shelves, securing them in place with the power cord

retainer, and then connect the power cords to different power sources for resiliency.

b. Turn on the power supplies for each disk shelf and wait for the disk drives to spin up.

Step 5. Set the shelf IDs and complete system setup:

You must set shelf IDs so they are unique within the HA pair configuration, including the internal

disk shelf in a DM3000x, DM5000x, or DM7000x.

6Installation and Cabling Guide for DM120S, DM240S, and DM600S

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