
User Guide
85
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The figure below shows a sample Configuration. The three HDDs are connected to the
Onboard RAID Controller (LSI Embedded MegaRAID) or Internal RAID Controller,
creating one disk group (DG).
Figure 29: Sample RAID Configuration
Virtual Disk
Virtual disk is a virtual drive defined in disk group. It is recognized as a physical drive
by OS. The allowable number of virtual disks is up to 16 per disk group, or up to 64 per
controller.
The figure below shows a sample Configuration in which the Onboard RAID
Controller (LSI Embedded MegaRAID) or Internal RAID Controller is connected with
three HDDs, creating one Disk Group. Two RAID5 virtual disks (VD) are defined in
the Disk Group.
Figure 30: Sample Virtual Disk Configuration
Parity
The parity means redundant data. A single set of redundant data is created from the
data saved in more than one HDD.
The created redundant data is used for data recovery when a HDD is defective.
HDD 1
(36 GB)
HDD 2
(36 GB)
HDD 3
(36 GB)
RAID Controller
Disk Group 0: 108 GB
HDD 1
(36 GB)
HDD 2
(36 GB)
HDD 3
(36 GB)
RAID Controller
DG0 108 GB
VD1-3
16 GB
VD1-2
16 GB
VD1-1
16 GB
VD0-1
20GB
VD0-2
20GB
VD0-3
20GB
VD0 (RAID5)
40 GB
VD1 (RAID5)
32 GB
Содержание NovaScale R460 E1
Страница 1: ...NovaScale R460 E1 User s Guide NOVASCALE REFERENCE 86 A1 85EV 00...
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Страница 69: ...User Guide 68 www bull com Note The BIOS may display more options that presented here...
Страница 209: ...User Guide 208 www bull com Removal Remove the backup device in reverse order of the installation steps...
Страница 339: ...User Guide 338 www bull com 3 Follow the on screen messages to proceed with the activation...
Страница 365: ...User Guide 364 www bull com External Peripheral Device 4 Model name Serial No Manufacturer Date installed...
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Страница 370: ...BULL CEDOC 357 AVENUE PATTON B P 20845 49008 ANGERS CEDEX 01 FRANCE REFERENCE 86 A1 85EV 00...