HP StorageWorks 2500 Disk System Enclosure User Manual download pdf (Page 36)

9. Disengage the power cord locks and remove both AC power cords from the power supplies for

approximately 15 seconds.

10. Reattach the AC power cords to the power supplies and engage the power cord locks.

11. Verify that the server recognizes the DS2500 enclosure with the updated settings.

Disk drive loop ID

The EMU assigns a loop ID to each disk drive based on the enclosure ID and bay in which the disk is

installed. HP-UX stores the loop ID and WWN of each disk, and uses them to authenticate the disk.

Verifying the installation

Use IOSCAN to verify that the S/W state of the disks is CLAIMED.

Adding driv

es to an existing DS2500

You can add disk drives to an existing DS2500 without interrupting enclosure operation.

CAUTION:

Parts can be damaged by electrostatic discharge. Use proper antistatic protection as described in the

documentat

ion that shipped with your system.

25205a

Figure 24 Drive blank

To remove a drive blank:

1. Grasp the drive blank by the two tabs (Figure 24).

2. Lift the bottom tab and pull the blank out of the enclosure.

CAUTION:

To ensure proper airflow, remove only one drive blank at a time from an operating

enclosure.

To install a disk drive:

1. Push the ejector button on the disk drive and pull the release lever down to the full open position.

Installation

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HP StorageWorks 2500 Disk System Enclosure User Manual Page 36