HP StorageWorks 2500 HP StorageWorks 2500 Disk System User Guide (5697-5922, N - Page 36

Verifying the installation, Adding drives to an existing DS2500, Disk drive loop ID

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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 drives 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 documentation that shipped with your system. 2 1 Figure 24 Drive blank 25205a 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. 36 Installation

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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 drives 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
documentation that shipped with your system.
1
2
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.
36
Installation