Highpoint RocketRAID 2740 User Manual download pdf (Page 18)

4 - Add/Remove Spare Disks

This Add/Remove Spare command is used to assign a hard disk to act as a Spare Disk. Spare Disks are

used to automatically rebuild Redundant RAID arrays (RAID 1, 5, 10, 50) in the case of disk failure. As

with creating RAID arrays, disks must be initialized before they can be used as spares. To set a hard disk

to act as a Spare Disk, use the arrow keys to select the target disk from the list of initialized disks, and press

Enter. To remove the Spare Disk setting from a hard disk, highlight the spare disk, and press Enter.

Generally, single disks are designated to act as spares (disks that are not configured into RAID arrays).

However, in some instances, disks that are members of RAID arrays may also be designated to act as a

spare. If the disks in question are part of a RAID array that did not utilize the full available capacity at the

time of creation, these disks may be used as spares. For example: a RAID 0 array was created between two

200GB hard disks, but only 200GB of space (out of a grand total of 400GB), was assigned to that array. In

this example, 200GB of disk space remains unallocated. This unallocated space would allow these disks to

be set as spares for a separate redundant array that falls into the same capacity range (200GB).

5 - Settings

To access the Settings menu, highlight the Settings command from the toolbar, and press Enter.

Select Boot Device – select which disk or array will act as the boot disk, if the motherboard BIOS instructs

the card to act as the boot device.

Staggered Drive Spinup – This option is disabled by default. Enabling this setting will instruct the card to

power up the hard disks, sequentially (one disk approximately every 2 seconds). Not all disk support this

setting – consult the disk documentation for more information.

Warning: Western Digital hard disks do not support this setting. Enabling this setting is not

recommended. If enabled, these disks may not be detected by non-RAID controllers.

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Highpoint RocketRAID 2740 User Manual Page 18