Nortel Networks BCM200, 400 4.0 manual Installing a RAID system, To install a RAID system

Chapter 22 Replacing the hard disk 255

Installing a RAID system

Use this procedure to upgrade an existing standard BCM200 or BCM400 single disk configuration to a RAID configuration.

To install a RAID system

1Obtain the correct RAID field redundancy or upgrade components.

2Shut down the system (see “Performing a system shutdown” on page 231).

3Disconnect the BCM system from the AC power source.

4Attach one end of the grounding strap to your wrist and the other end to a grounded metal surface on the BCM main unit.

5If applicable, remove the standard configuration hard disk cage from the BCM200 main unit or BCM400 advanced function tray. Refer to “Removing a hard disk cage” on page 258.

6Remove the original programmed hard disk from the standard hard disk cage. Install and use the original programmed hard disk as the primary disk in the RAID configuration (see Figure 131). For further information on how to replace the hard disks, refer to “Installing a hard disk into a standard configuration hard disk cage” on page 268.

Caution: Use only Nortel-approved replacement components. Contact your account representative for the current list of approved replacement parts.

7Install the RAID hard disk cage in your system. For further information, refer to “Installing a hard disk cage in a BCM200 main unit” on page 262 or “Installing a hard disk cage in a BCM400 main unit” on page 263.

8Install the main unit cover and access panel (if required).

9Restore the BCM system to operation (see “Restarting the system after maintenance” on page 232).

After bootup, the system automatically detects the presence of a RAID configuration and begins the disk initialization and mirroring process. For further information on how to monitor the disk mirror process, refer to “RAID disk mirroring” on page 221.

Note: RAID disk mirroring can take up to 3 hours to complete. The BCM system continues to operate normally during the disk mirroring process. However, because disk mirroring occupies computing resources, Nortel recommends that you perform disk mirroring during a period of low call traffic.

Nortel recommends that you perform any system reboot only as required and at the beginning of the disk mirroring process.

BCM200/400 4.0 Installation and Maintenance Guide