Red Hat ENTERPRISE LINUX 5 - GLOBAL FILE SYSTEM 2 Guia de Instalação descarregar pdf (Página 12)

Figure 1.1. GFS with a SAN

2.2. Performance, Scalability, Moderate Price

Multiple Linux client applications on a LAN can share the same SAN-based data as shown in

Figure 1.2, “GFS and GNBD with a SAN”. SAN block storage is presented to network clients as

block storage devices by GNBD servers. From the perspective of a client application, storage is

accessed as if it were directly attached to the server in which the application is running. Stored

data is actually on the SAN. Storage devices and data can be equally shared by network client

applications. File locking and sharing functions are handled by GFS for each network client.

Note

Clients implementing ext2 and ext3 file systems can be configured to access their

own dedicated slice of SAN storage.

Figure 1.2. GFS and GNBD with a SAN

2.3. Economy and Performance

2.2. Performance, Scalability, Moderate Price

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Red Hat ENTERPRISE LINUX 5 - GLOBAL FILE SYSTEM 2 Guia de Instalação Página 12