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1 clip element types, 3 nearline management, Clip element types – EVS IPDirector Version 5.8 - July 2010 Part 3 User's Manual User Manual

Page 34: Nearline management, Lement, Ypes

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IPDirector Version 5.8 – User Manual – Part 3: Browsing

EVS Broadcast Equipment – July 2010

Issue 5.8.B

23

3.2.1 C

LIP

E

LEMENT

T

YPES

A clip can contain up to six types of clip elements:

Clip Element

Description

XT hi-res clips

hi-res clips or growing clips stored on EVS video

servers.

XT lo-res clips

lo-res clips or growing clips stored on EVS video
servers.

on-line hi-res nearline files hi-res files stored in nearline folders, IP drive

still present.

on-line lo-res nearline files lo-res files stored in nearline folders, IP drive

still present.

off-line hi-res nearline

files

hi-res files stored in nearline folders, IP drive
removed.

off-line lo-res nearline

files

lo-res files stored in nearline folders, IP drive
removed.

Depending on user rights, the user can see different element types. The tables in
sections 2.4.2 ‘Tree Structure Depending on User Rights’ on page 14 and ‘List

View Button’ on page 5 give more details on the user rights.

Note
There can be several copies of the same element within a clip.

3.3 NEARLINE MANAGEMENT

XT clips can be sent to the nearline for backup purpose. They are saved on the
nearline as files. Nearline files are on-line when the physical storage where they
reside is still accessible. Nearline files become off-line when the physical storage
is no more accessible, e.g. IP drive (or XF drive) removed from the hardware.

However, off-line nearline files are still listed in the Database Explorer for easy
retrieval purpose.

A clip which only contains a nearline file can be restored to an EVS video server,
for example for playout purpose.

Once a nearline directory has been configured in the Remote Installer, the

IPDirector will continuously scan the directory path looking for new files or files
being deleted. The IP drive service will also automatically detect the appearance
of a new IP drive, or XFile disk, or the ejection of a drive.