June 2004
Intermediate to advanced
342 pages
9h 3m
English
book
Understanding the IBM TotalStorage Open Software Family
by Roland Tretau, Joe A. Burnett, Norbert Engst, Kazue Okano
Content preview from Understanding the IBM TotalStorage Open Software Family
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112 Understanding the IBM TotalStorage Open Software Family
Figure 3-23 File system types
3.3.2 Filesets and the global namespace
A key concept for SAN File System is the global namespace. Traditional file
systems and file sharing systems operate separate namespaces, that is, each
file is tied or mapped to the server which hosts it, and the clients must know
which server this is. For example, in Figure 3-23, in a LAN File System, user Iva
has files stored both on File Server A and File Server B. She would need to
specify the particular File Server in the access path for each file.
SAN File System, by contrast, presents a global namespace: the
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