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StorNext File System Tuning
Distributed LAN Client Vs. Legacy Network Attached Storage
StorNext File System Tuning Guide 25
Load Balancing 0 DLC automatically makes use of all available Distributed LAN Servers in
an active/active fashion, and evenly spreads I/O across them. If a server
goes down or one is added, the load balancing system automatically
adjusts to support the new configuration.
Client Scalability 0 As the following table shows, DLC supports a significantly larger number
of clients than legacy NAS protocols:
Robustness and
Stability
0 The code path for DLC is simpler, involves fewer file system stacks, and
is not integrated with kernel components that constantly change with
every operating system release (for example, the Linux NFS code).
Therefore, DLC provides increased stability that is comparable to the
StorNext SAN Client.
Consistent
Security Model
0 DLC clients have the same security model as StorNext SAN clients. When
CIFS and NFS are used, some security models aren’t supported. (For
example, Windows ACLs are not accessible when running UNIX Samba
servers.)
Largest Tested Configuration
Number of Clients Tested (via
simulation)
NFS CIFS DLC
441000