Supermicro Processor Blade SBI-7427R-S3 Manual do Utilizador descarregar pdf (Página 11)

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Chapter 1: Introduction

Storage

The SBI-7427R-S3 blade module can have three 2.5" SATA (Serial ATA)/SSD hard disk

drives in front-mounted easy removable carriers. See Chapter 3: "Setup and

Installation" on page 3-1 for storage installation details.

RAID

Each SBI-7427R-S3 blade module supports up to three hard drives, which may be used

to create a RAID 0, 1, 5 and 10 (Windows) or RAID 0, 1 and 10 (Linux) array. For RAID

setup use the procedure below. This blade’s BIOS has a RAID utility available in its

setup.

With two or hard drives per blade, the following RAID configurations are supported:

• RAID 0 (Data Striping): this writes data in parallel, interleaved (“striped”) sections on

two hard drives. Data transfer rate is doubled over using a single disk.

• RAID1 (Data Mirroring): an identical data image from one drive is copied to another

drive. The second drive must be the same size or larger than the first drive.

• Enhanced RAID 5 or RAID 10 (Data Mirroring): as RAID1 with data mirrored from

one or more disks to one or more disks of a second, larger size. You can couple the

disks from the source to create a virtual volume and use one or more disks of a

second, larger size to provide a single larger volume (or multiple larger volumes)

that serve as the mirroring drive or drives for the array.

Density

A maximum of fourteen blade modules may be installed into a single blade enclosure.

Each blade enclosure is a 7U form factor, so a standard 42U rack may accommodate up

to six enclosures with 84 blade modules, or the equivalent of 84 1U servers. With the

inclusion of six CMM modules, twelve Gigabit Ethernet switches and six InfiniBand

switches, this would occupy up to 108U space in a conventional 1U server configuration.

Figure 1-1 displays a view of a full rack with six blade enclosures in it, each with

fourteen blades to an enclosure.

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Supermicro Processor Blade SBI-7427R-S3 Manual do Utilizador Página 11