CERC ATA100 DRIVER DOWNLOAD

Data is transferred to cache and the host concurrently. The number of physical drives in a specific array determines the RAID levels that can be implemented with the array. Intel is a registered trademark of Intel Corporation. An array selection window displays the devices connected to the current controller. Rebuilding Failed Hard Drives. When you select Check Consistency , the parameters of the existing logical drives on the current controller and a selection menu listing the logical drives by number appear.

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In Easy Configurationeach physical array you create is associated with one logical drive, and you can modify the following parameters:. You can have an array with multiple logical drives and delete a logical drive without deleting the whole array.

Dell™ CERC ATA100/4-Channel RAID Controller Configuration Software Guide

See Selecting the Configuration Method for more information. If a hard drive fails and there is no hot spare with enough capacity to replace the failed drive, you must shut down the system, replace the hard drive, and run the BIOS Configuration Utility, WebBIOS, or Array Manager to perform the rebuild manually. You cannot set the crrc when using spanning. If the two criteria for spanning are met, the RAID controller automatically allows spanning.

If you have configured hot spares, the RAID card automatically tries to use them to rebuild failed drives. If logical drives have already been configured when you select Easy Configurationthe configuration information is not disturbed. A list of the available RAID levels for the current logical drive appears. If a hard drive used in a RAID logical drive cer, a hot spare will automatically take its place and the data on the failed drive is reconstructed on the hot spare.

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Write Policy specifies the cache write policy. You should cfrc use write-back for any logical drive that is to be used as a Novell NetWare volume. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Ara100 main benefit is that you are not restricted to sequential or contiguous logical drives when you create ats100 drives.

Table Logical Drive Parameters and Descriptions.

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The hot key functions are:. In Write-back caching, the controller sends a data transfer completion signal to the host when the controller cache has received all the data in a transaction.

Novell and NetWare are registered trademarks of Novell, Inc. Dell cannot be cfrc for damage caused as a result of either following or failing to follow these instructions. Selecting New Configuration erases the existing configuration information on the selected controller.

Adaptive specifies that the controller begins using read-ahead if the two most recent drive accesses occurred in sequential sectors.

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If a hard drive fails in an array that is configured as a RAID 1 or 5 logical drive, you can recover the lost data by rebuilding the drive. The write policy, read policy, and cache policy can be changed after configuration is complete.

To enable an automatic rebuild, you must configure one or more ata10 drives as hot spares when you configure the array.

Stripe Size specifies the size of the segments written to each drive in a RAID 1, 5, or 10 logical drive. If the criteria are not met, the Span setting makes no difference for the current logical drive.

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It is important that the new card have no configuration. You can set the write policy to Write-back or Write-through. However, if you are sure that your computer does random read requests more often, select a small stripe size.

The number of physical drives in a specific array determines the RAID levels that can be implemented with the array. The deletion of the logical drive can fail under certain conditions. Perform the following steps to add configuration on disk if aat100 on disk does not match the configuration in the controller’s NVRAM.

The window from the top of the screen shows the logical drive that is currently being configured as well as any existing logical drives. The logical drive can occupy space in more than one array. The information contained in ecrc document, including all instructions, cautions, and regulatory approvals and certifications, is provided by the supplier and has not been independently verified or tested by Dell.

Deletion can fail cegc a rebuild, initialization or check consistency of a logical drive, if that drive has a higher logical drive number than the drive you want to delete.