DELL 2850 RAID DRIVER DOWNLOAD

Adaptive specifies that the controller begins using read-ahead if the two most recent disk accesses occurred in sequential sectors. This section describes the procedures used to perform the following:. In New Configuration , you can modify the following logical drive parameters:. When set to Enabled the default , drives are automatically rebuilt when they fail. This occurs even in a degraded RAID set. A window entitled Select Configurable Array s appears. An array selection window displays the devices connected to the current controller.

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The column headings are:. If the drive is not a boot device, the logical drive number is not critical. Selecting a Boot Logical Drive. If you select New Configurationthe existing configuration information on the selected controller is destroyed when the new configuration is saved.

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The logical drive configuration screen appears. Read-ahead specifies that the controller uses read-ahead for the current logical drive.

No – Array spanning is disabled for the current logical drive. Displays the number of charge cycles. The window from the top of the screen shows the logical drive that is currently being configured.

In Easy Configurationeach physical array you create is associated with exactly one logical drive. RAID 0 requires one or more physical drives. You can change the rate at which the rebuild occurs.

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. If a hard drive used in a RAID logical drive fails, a hot spare automatically takes its place and the data on the failed drive is reconstructed on the hot spare. Using Online Volume Extension. Stripe Size specifies the size of the segments written to each drive in a RAID 1, 5, or 10 logical drive.

When you disable cluster mode, the system operates in standard mode. You can select a logical drive from logical drive 0 to logical drive 7 as the boot drive. This occurs even in a degraded RAID set. A rebuild rate of percent gaid the system is totally dedicated to rebuilding the failed drive.

If the criteria are not met, the Span setting makes no difference for the current logical drive. After you ddell, the Adapter menu displays the new Initiator ID.

You cannot change the ID while in standard mode. Use this option to select the raix rate for drives attached to the selected adapter. If the same data block is read again, it comes from cache memory. THe options are Enable and Disable. After charge cycles, the life of the battery pack is assumed to be over and you must replace it. This is the default setting if cluster mode is enabled. In cases such as this, formatting the drive can clear up the problem.

When you select any configuration option, a list of all physical devices connected to the current controller appears. No-Read-Ahead specifies that the controller does not use read-ahead for the current logical drive.

Hot key information displays at the bottom of the screen. This eell may change the configuration of disks and can cause loss of data! You can modify the following parameters:. Rebuilding Failed Hard Drives.

The default is enabled. It displays the array, and array number, such as A