Grass Valley NewsBrowse Desktop Browsing System Installation v.2.0 - Manual (Page 135)

25 May 2004 NewsBrowse Installation and Configuration Guide 135
Purge
Purge
Rules
Wizard
Metadata
Service
Profile MDI*
Server
Profile
Video
Server
Proxy
MDI*
*MDIs can alternatively reside on encoders,
ISS platforms, or a dedicated MDI server.
Resolver
The Rules Wizard periodically
queries the Metadata Service
for a list of metadata records
that are set to expire. The
Metadata Service only returns
assets that are set to expire and
are not flagged as being on
hold. For each metadata
record set to expire the
Rules Wizard queries
the ASK for related
asset components (e.g.
High-res, storyboard,
thumbnail, etc.).
For each asset component the Rules
Wizard communicates the appropriate
MDI to initiate a delete. The MDI
communicates to the appropriate device
(Profile Video Server or Storage file
system) to complete the delete.
Purge removes all associated components
of an asset. The metadata record is the
last component deleted, so that if for any
reason an asset fails to delete, its record
is still intact and the asset is visible to the
NewsBrowse application.
1.3.1: delete high-res
1.3:
delet
e
asset
1.4:
delete
asset
1.1:
g
et e
xpired assets
1.5:
delete m
etadata recor
d
1.2:
g
et asse
t
compo
nents
Proxy
Storage
Storage
(NAS)
1.4.1:
delete p
ro
x
y