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November 27, 2018

You cannot configure a logical drive that optimizes all three factors, but it is easy to select a logical drive configuration that maximizes one or two factors at the expense of the other factors. Configuring Arrays and Logical Drives. This gives you the option to enter the configuration utility to resolve the problem. This section describes the procedures used to perform the following:. This is the default setting if cluster mode is enabled. It contains tables you can complete to list the configuration for the physical drives and logical drives.

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If the criteria are not met, the Span setting makes no difference for the current logical drive. This is the default setting if cluster mode is enabled. BAD appears if the voltage is out of range.

Configuring PERC 4: Dell™ PowerEdge™ Expandable RAID Controller 4/SC and 4/DC User’s Guide

After initialization, you can install the operating system. The array selection menu appears.

The logical drive can occupy space in more than one array. Firmware was not loaded.

This section explains how to do this. If you use drives with different capacities in an array, all drives in the array are treated as if they have the capacity of the smallest drive in the array. This occurs even in a degraded RAID set. See the manual for each SCSI device to disable termination.


Press down gently but firmly to make sure that the controller is properly seated in the slot, as shown in Figure For each PERC controller in the host system, the firmware version, dynamic random rxid memory DRAM size, and the status of logical drives on that controller display.

Displays the number of charge cycles.

You cannot change the ID while in standard mode. The utilities provide information about sequential segments, non-contiguous segments and physical fontroller that have not been configured.

Replace the system cover and reconnect the AC power cords. The errors are displayed as they occur.

Disconnect the system from any networks before installing the controller. Displays adapter information, including the firmware version, BIOS version, memory, and type of controller. GOOD appears if the temperature is within the normal range.

PERC 4 Features: Dell™ PowerEdge™ Expandable RAID Controller 4/SC and 4/DC User’s Guide

When you are in standard mode, the ID is always 7. Use this level for any application that requires high read request rates, but low write request rates, such as transaction processing applications.

External very-high density SCSI bus connector. If you feel that the number of errors is excessive, you should probably format the hard drive. You can create multiple arrays, then select them to span them. It displays the array, and array number, such as A The SCSI bus is an electrical transmission line and must be terminated properly to minimize reflections and losses.


Designating Drives as Hot Spares. During a rebuild, initialization or check consistency of a logical drive, if that drive has a higher logical drive number than the raiid you want to delete. Table Software Utilities Features. CRC check on the firmware image successful.

Otherwise, the controller will run a background consistency check within five minutes of reboot or RAID 5 creation. Select your controller from the ones shown on the following pages.

The main benefit of logical drive deletion is that, after you delete any unwanted logical drives, you are pperc restricted to sequential or contiguous logical drives when you create new logical drives.