90
1-4. Virtual Disk
Virtual disk is a logical drive defined in disk group. It is recognized as a physical drive by
OS. Up 40 virtual disks are permitted by the disk array controller.
The figure below shows a sample configuration in which the disk array controller is
connected with three HDDs, creating one disk group (DG). Two RAID5 virtual disks (VD)
are defined in the DG.
Disk 1
(36 GB)
Disk 2
(36 GB)
Disk 3
(36 GB)
Disk array 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
1-5. 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 defected.
1-6. Hot-Swap
The hot-swap enables a HDD to be removed (or replaced) under system operation.
Содержание N8103-91
Страница 25: ...5 4 各部の名称と機能 本製品の各部の名称を以下に説明いたします 本製品表面 3 1 5 2 4 6 本製品裏面 ...
Страница 124: ...104 When the adapter is selected on Adapter Selection the WebBIOS Top Menu appears ...
Страница 126: ...106 Click Next to see the detailed settings of this controller ...
Страница 136: ...116 Use this menu to define several physical drives PD as a disk group DG ...
Страница 157: ...137 59 Setting menu for VD 0 is displayed ...
Страница 165: ...145 ...