HP StorageWorks 2500 HP StorageWorks 2500 Disk System User Guide (5697-5922, N - Page 60

Replacing a disk drive, Before you begin

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1. Mounting hole 2. Guide post Figure 33 Replacing a blower 3. Mounting tabs (4) 4. Blower base Replacing a disk drive Before you begin Always use proper antistatic protection as described in the documentation that shipped with your system. Do not remove more than one disk drive or drive blank from an operating DS2500. Doing so impacts air flow of the enclosure, and may cause data loss. HP recommends installing a disk of equal or greater capacity, or a drive blank, as soon as possible. Prevent possible data loss by verifying that the disk to be removed is in a failed state. IMPORTANT: When the system boots, HP-UX retrieves the loop ID and WWN of each disk and stores the information for disk authentication. When you replace a disk drive, the authentication fails because the WWN has changed. You must use fcmsutil to instruct the FC driver to ignore the authentication. Removing a disk drive Record the loop ID of the disk drive to be replaced. Use Table 12 to determine the loop ID based on the enclosure ID and the bay in which the disk drive resides. 60 Customer self repair

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1. Mounting hole
3. Mounting tabs (4)
2. Guide post
4. Blower base
Figure 33 Replacing a blower
Replacing a disk drive
Before you begin
Always use proper antistatic protection as described in the documentation that shipped with your system.
Do not remove more than one disk drive or drive blank from an operating DS2500. Doing so impacts
air flow of the enclosure, and may cause data loss.
HP recommends installing a disk of equal or greater capacity, or a drive blank, as soon as possible.
Prevent possible data loss by verifying that the disk to be removed is in a failed state.
IMPORTANT:
When the system boots, HP-UX retrieves the loop ID and WWN of each disk and stores the information
for disk authentication. When you replace a disk drive, the authentication fails because the WWN has
changed. You must use
fcmsutil
to instruct the FC driver to ignore the authentication.
Removing a disk drive
Record the loop ID of the disk drive to be replaced. Use
Table 12
to determine the loop ID based on the
enclosure ID and the bay in which the disk drive resides.
60
Customer self repair