Nortel Networks BCM200/400 - Manual (Page 234)

234 Chapter 19 System monitoring and troubleshooting
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The Disk Mirroring screen displays, which displays the hard disk operational status
information.
3 Confirm that the primary master and mirror master hard disks are functional (see Table 85 ).
Monitoring disk mirroring using Element Manager
Use this procedure to verify and monitor the disk mirroring process. Disk mirroring is the process
of duplicating the data from one hard disk to the other. After RAID installation and system bootup,
the system automatically detects the presence of a RAID configuration and begins the disk
initialization and mirroring process. This procedure is valid only for those systems equipped with a
RAID configuration.
Monitor disk mirroring progress in tandem with the RAID LED status indicators.
To monitor disk mirroring
1 Open Element Manager after system boot-up is complete.
2 From the Administration tab, click System Status, and then click Disk Mirroring.
The Disk Mirroring screen displays (see Figure 104 ).
3 Select Reports and click Drive Status.
The progress indicator shows the current state of the mirroring process.
Table 85 Step table
If Then perform the activity
The hard disks are not identical. Use Nortel equipment to ensure the hard disks meet minimum
requirements.
The software has detected
unequal hard disk storage
capacity. For 3.5x version software (and later), the system automatically adapts for
unequal hard disk capacity. The system continues to operate. Nortel
recommends that you perform the following:
• Examine the status report to determine which hard disk has the
smaller capacity.
• Replace the smaller hard disk (primary master or mirror master) with a
new hard disk of equal size (or larger).
The RAID is not in mirror mode. Change the disk mirroring function to mirror mode.
A hard disk is not operational. Exchange the malfunctioning hard disk with a new hard disk.
Note: The mirroring process 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.