Installation & Maintenance Manual D. Configuring RAID
Version 6.8 291 Microsoft Lync Server
D Configuring RAID
This appendix describes how to set up and enable RAID 1 (Redundant Array of
Independent Disks) on the Mediant 1000B SBA. RAID 1 is achieved by using two installed
OSN hard drives (HDMX) that serve as Master-Slave configuration, where the Slave disk
has an exact copy (or mirror) of the data on the Master disk. Thus, RAID 1 provides
redundancy of the SBA in case of failure of one of the disks.
D.1 Prerequisites
Before configuring RAID, ensure that you do the following:
Complete the SBA installation and configuration as described in Chapter 11 on page
79.
Ensure that the HDMX disk in Slot 8 (slave) is unallocated (without a volume
allocated).
Ensure that the storage capacity of both the HDMX disks is identical (e.g., 120 GB).
D.2 Slot Assignments for OSN Hard Drives
The Mediant 1000B SBA rear panel is displayed in the figure below and described in the
subsequent table.
Figure D-1: Rear Panel Mediant 1000B SBA
Table D-1: Mediant 1000B SBA Rear-Panel Description
Item # Description
1
HDMX in Slot 1 (Master) – Hard Disk functionality for OSN platform.
2
OSN Module in Slot 2.
3
HDMX in Slot 8 (Slave) – Hard Disk functionality for OSN platform.
Note: Power down the device before inserting the HDMX into Slot 8.
Before inserting the second hard disk drive, ensure that this drive is compatible with the
existing SBA hard disk drive storage.
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