Texas-memory-systems RamSan-325/325c Manual de usuario descargar pdf (Pagina 70)

RamSan-325/325c User’s Manual - 66 -

6.1 A Example LUN Configuration

This section summarizes how to change the system memory configuration

from the default factory configuration to a new configuration, which

consists of four partitions and has access lists that allow only four host

machines to use the RamSan.

This demonstration assumes the four HBAs and the RamSan’s Fibre

Channel ports are attached to the same fabric. In addition, this system

has 16 Gigabytes of memory.

The new configuration consists of four partitions that HBAs access using

four Fibre Channel ports in the RamSan. This demonstration assigns each

HBA a unique LUN. The example results in the following configuration:

Figure 6-2: Reconfigured LUN Mapping

To change from the default configuration to the one described above,

perform the following steps:

• Delete the default LUNs (see Section 6.8 )

• Add two 6-Gigabyte LUNs (see Section 6.2 )

• Add two 2-Gigabyte LUNs (see Section 6.2 )

• Link each LUN to an Fibre Channel port (see Section 6.4 )

• Add access lists (see Section 6.7 )

• Set a backup mode for each LUN in a RamSan-325 (see Section 6.9 )

Fibre Channel

Ports

HBA 1

Port 2B

Port 2A

Gigabytes

LUN 0

Gigabytes

LUN 1

Gigabytes

LUN 2

Gigabytes

LUN 3

HBA 2 HBA 3 HBA 4

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 120 121

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Texas-memory-systems RamSan-325/325c Manual de usuario Pagina 70