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Always power off the system base unit before powering off the InterRAID-6 cabinet. If
you power off the cabinet first, the RAID controller board will read the drives as dead
the next time you power on the system. Refer to Chapter 5 “Using DAC InterRAID
Utilities,” or Chapter 6 “Using MegaRAID BIOS” and Chapter 7, “Using Power
Console.”
Important Software Notices
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For DTP Server systems, Intergraph installs the Microsoft Windows NT Server
operating system software and prepares it for final configuration by users.
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For desktop and deskside systems other than the DTP Server, the disk drives are
delivered with Microsoft Windows NT Server operating system software partially
installed. You must complete Windows NT Server installation before using the system.
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The RAID controller board has two types of write caching: write-back and write-
through. Write-through caching reduces the risk of data loss in the event of a power
failure. Write-back caching improves performance, but the drawback is potential data
loss if power fails. Intergraph recommends connection to a UPS to guard against data
loss.
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Intergraph configures the RAID controller board to RAID level 5. RAID controllers
support RAID levels 0, 1, 5, 6 (0+1), and 7. The MegaRAID controller, in addition to
the other levels, also supports RAID level 3.
To power on and configure the system:
1. Power on the InterRAID-6 cabinet and wait for the audible beep.
2. Power on the system base unit and the monitor.
3. Complete the Windows NT Server installation. Refer to the system’s setup or
configuration documentation.
4. Install the proper software utilities available for the RAID controller board installed in
the system.
For DAC960P and DAC960PD boards, install the DACADM and DACMON utilities.
Refer to Chapter 5, “Using DAC InterRAID Utilities.”
For MegaRAID boards, install the MegaRAID BIOS and Power Console utilities. Refer
to Chapter 6, “Using MegaRAID BIOS” and Chapter 7, “Using Power Console.”
WARNING
After you configure the RAID disk drives, it is very important that you backup the
configuration to a diskette. It will be very helpful for future use in the event the
configuration should become lost. Refer to Chapter 5 “Using DAC InterRAID Utilities,”
or Chapter 6 “Using MegaRAID BIOS” and Chapter 7, “Using Power Console.”
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