Setting Up Your Dell PowerVault Storage Enclosure User Guide

Setting Up Your Dell™ Power Vault™ Storage Enclosure

WARNING: Before you set up and operate Install the Enclosure in a Rack Locating Your System Service Tag Verify Package Contents

your Dell Power Vault system, review the safety instructions that came with your system.

Storage enclosure The enclosure requires a properly grounded electrical outlet, Your system is identified by a unique compatible rack, and a rack installation kit. Express Service Code and Service Tag

SAS cables (2)

number. The Express Service Code and

Power cables (2)

For information about installing the rails, see the Rack Installation Service Tag are found on the front of

Bezel (optional)

Instructions that shipped with your rail kit. the enclosure.

Mounting rails (2) (optional)

The Service Tag is also located at the back

RAID controller card (optional) of the system next to the enclosure User documentation management modules.

This information is used by Dell to route support calls to the appropriate personnel.

Before You Begin

Check for documentation and information updates on support.dell.com/manuals. Always read the updates first because they often supersede information in other documents.

Front-Panel Features

Cabling Your Enclosure for Unified or Split Mode Configuration Dell Power Vault MD1200 Dell Power Vault MD1220

You can cable your enclosure in either a unified-mode configuration or in a split-mode configuration.

1. Split mode LED 2. Power LED

In a unified-mode configuration, your enclosure is connected to one host; for example, a server with a controller card. Your enclosure can be one of up to four

3. Enclosure status LED

enclosures daisy-chained to a single port on the controller card in your host server. The enclosure can also be connected in a redundant path mode with

4. Hard-drive activity indicator

two connections to a single host server.

5. Hard-drive status indicator 6. Hard drives

In a split-mode configuration, your enclosure is connected to two separate controller cards. The controller cards may reside in the same server or in two

7. Enclosure-mode switch

different servers. The enclosure bus is logically split in half where the first half of the enclosure is managed by one controller and the second half of the

8. System identification button

enclosure is managed by the second controller .

The table below lists the drives that are controlled by each enclosure management module (EMM) in a split-mode configuration.

Enclosure EMM 0 EMM 1 Dell Power Vault MD1200 Drives 6 to 11 Drives 0 to 5

1. DC power LED

Dell Power Vault MD1220 Drives 12 to 23 Drives 0 to 11

2. Power supply/cooling fan fault LED 3. AC power LED

Back-Panel Features

4. Power supply/cooling fan module 1

NOTE: Split-mode configurations do not support daisy-chaining of enclosures and redundant paths.

5. System identification indicator 6. Debug port

The operating mode is selected using the enclosure mode switch on the front panel of the enclosure.

7. Enclosure Management Module 1

NOTE: The enclosure mode switch must be set to either unified mode or split mode before the enclosure is turned on. Changing the configuration mode after turning 8. SAS port (In) on the enclosure has no effect on the enclosure configuration until the enclosure is rebooted. 9. In port link status LED

10. Enclosure Management Module 0

For examples of supported cable configurations, see “Cabling the Enclosures to the Host Server(s)” below.

11. SAS port (Out)

For more information about cabling your enclsoure, see the Dell™ Power Vault™ MD1200 and MD1220 Storage Enclosures Hardware Owner’s Manual at

12. Out port link status LED

support.dell.com/manuals.

13. EMM status LED 14. Power switches (2)

Selecting the Operating Mode Identifying Ports and Connectors on Your Enclosure