About configuring storage, Binding disk modules, Unbinding disk modules – Grass Valley Profile XP Aug 16 2004 User Manual
Page 72: Creating a video file system
Chapter 3 Working with RAID Storage Using GVG Disk Utility
72
Profile XP System Guide
23 July 2004
About configuring storage
This section describes terms and concepts related to configuring your the Fibre Channel
RAID storage system. Topics include:
• Creating a video file system
Binding disk modules
Binding the disk modules hardware formats them into a logical units called LUNs. The
disks that make up a LUN are accessed as a contiguous disk space. Disk modules must
be bound before they can be part of the video storage file system.
You can use the GVG Disk Utility to bind disks modules as Data LUNs (RAID-3
containing 4 data disks and 1 parity disk) or as hot spare LUNs, depending on the storage
needs of your system. Depending on the model, a RAID chassis can contain up to 10 or
15 drives.
For simplicity, the disk utility only allows binding contiguous disk modules into LUNs,
that is, in a ten disk chassis, disks 0-4 and 5-9 must be bound as two different LUNs. To
help in finding the physical location of disks in large systems, the disk utility includes
an
Identify Disk
button which allows the selected disk drive’s disk access light to flash.
After binding, disk modules become slot specific and cannot be moved to other disk
module slots.
Unbinding disk modules
Unbinding reverses the bind process. Unbinding might be needed when reconfiguring a
storage system, for example, when reconfiguring hot spare disks into a data LUN.
PFC500 and PFR700 storage systems allow unbinding LUNs independently. PFR500
and PFR600 storage systems enforce unbinding all LUNs simultaneously (i.e. clearing
the configuration).
CAUTION: Unbinding always destroys all user media files stored on the disk
modules.
Creating a video file system
The Fibre Channel RAID storage system must contain a video file system recognizable
by the Profile XP Media Platform system. When you choose to make a new video file
system, the Disk Utility creates one video file system using all available data LUNs. All
hot spare LUNs and Unbound LUNs are ignored.
CAUTION: Creating a video file system destroys the existing file system and all
user media files stored on the disk modules.
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