ATTO Technology 2390D Setup Guide download pdf (Page 70)

■ A standard UNIX-compatible filesystem on a direct attached storage (DAS)

device. See Configuring a Direct Attached Storage or SAN as Media Storage

(page 60).

■ A standard UNIX-compatible filesystem on a Network Attached Storage

(NAS) based on the Network File System (NFS) protocol.

NOTE The fact that all I/O operations occur over the network makes it

impossible to reliably predict steady performance for NAS filesystems. Note

also that the NFS protocol features built-in cache and time-out mechanisms,

which may cause several workstations working on the same media source to

appear de-synchronized.

Configuring a Direct Attached Storage or SAN as Media

Storage

This section provides an overview of the steps involved in defining a standard

UNIX

-compatible filesystem to be used as media storage by your application.

Media can be stored on any of the following hardware, as long as it is not the

system drive:

■ A direct attached storage (DAS) device, such as an Autodesk Stone Direct

XR-series disk array

■ A storage area network (SAN)

NOTE When attached to a CXFS SAN declared as a standard filesystem partition

to Stone and Wire, Visual Effects and Finishing workstations running the current

release have shown optimal (real-time) performance with version 4.02 of the

CXFS client, and the following mount options for the CXFS volume:

rw,noatime,filestream,inode64

Autodesk recommends using a properly configured and maintained XFS

filesystem installed on Stone Direct XR-series disk arrays.

Concepts and Terminology

If this is the first time you are configuring an Autodesk Visual Effects and

Finishing filesystem, familiarize yourself with the following key concepts.

If you are already familiar with these concepts, continue with Configuring

your Application to Use the Media Storage Filesystem (page 62).

60 | Chapter 4 Configuring Your Software

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ATTO Technology 2390D Setup Guide Page 70