Avid Media Media Index 2.6 Configuration Guide

Avid Media | Index

Configuration Guide

Version 2.6

2

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Avid Media | Index Configuration Guide • Created March 31, 2016 • This document is distributed by Avid in online

(electronic) form only, and is not available for purchase in printed form.

Contents

Using This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Symbols and Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

If You Need Help. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Avid Training Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 1 Media | Index Configuration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Prerequisites for Media | Index Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Checklist for Configuring Media | Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Chapter 2 Upgrading Media | Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Upgrading Media Index from v2.0.x or v2.1.x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Upgrading Media Index from v2.2.x to v2.3 or Later. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Reactivating the Cluster After Upgrading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Media | Index Backup Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Chapter 3 Configuring Media | Index for a Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Preparing for Media | Index Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Shard Count and Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Configuring Media | Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Validating the Media | Index Configuration on a Cluster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Next Steps for Media | Index Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Chapter 4 Setting Up Multi-Zone Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Setting the Zone Bindings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Validating the Elasticsearch Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Removing Zones from a Multi-Zone Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Chapter 5 Configuring Media | Index for a Single Node. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Preparing for Media | Index Configuration for a Single Node . . . . . . . . . . . . . . . . . . . . . . . . . 31

Configuring Media | Index for a Single Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Validating the Media | Index Configuration on a Single Node. . . . . . . . . . . . . . . . . . . . . . . . . 35

Next Steps for Media | Index Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Chapter 6 Production Engine Bus Connector Installation . . . . . . . . . . . . . . . . . . . . . . . . . 36

Creating a PEBCo Instance on a Single Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Creating a PEBCo Instance in a Cluster Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Configuring the ICS Bus Service in Interplay Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Configuring and Using the Production Engine Bus Connector Service . . . . . . . . . . . . . . . . . 40

6

Chapter 7 Installing and Configuring Production Services for

MediaCentral Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Understanding Production Services for MediaCentral Delivery . . . . . . . . . . . . . . . . . . . . . . . 44

Check List for Installing and Configuring Automation and Consolidate Services . . . . . . . . . . 45

Prerequisites for Installing and Configuring Automation and Consolidate Services . . . . . . . . 46

Installing the Automation and Consolidate Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Registering the Automation and Consolidate Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Registering a Provider with the Production Services Engine . . . . . . . . . . . . . . . . . . . . . . . . . 49

Creating a Consolidate Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Chapter 8 Setting Up Interplay | MAM Sync Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

About Interplay | MAM Sync Service Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Opening Sync Service Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Understanding the Sync Service Administrator Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Quitting Sync Service Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Chapter 9 Setting Up iNEWS for Media | Index Integration . . . . . . . . . . . . . . . . . . . . . . . . . 67

Manually Installing the log4cpp File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Editing iNEWS Site Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

(Optional) Enabling Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Assigning the Media | Index Attribute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Activating the Mediaindex Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Chapter A Using the Media | Index Command Line Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Updating Localization Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Displaying Information about Initialized Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Changing Replica Counts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Changing the Index Refresh Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Appendix B Media | Index Custom Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Using the Media | Index System Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Setting Elasticsearch Memory Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Configuring the PEBCo for Custom Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Changing the Default Search Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Changing the Maximum Number of Markers Returned in a Search . . . . . . . . . . . . . . . . . . . . 84

Using the Media | Index Restart Command Line Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Restarting Media Index Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Scalability of Media | Index Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Adjusting Relevance for Search Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Disabling Search Suggestions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Configuring Search Criteria Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Restarting the Search and PEBCo Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Appendix C Updating Media | Index Property Schemas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Property Changes in Production and Schema Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Monitor the Re-index Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Using This Guide

This guide is intended for users of Avid MediaCentral Platform Services (MCS) with the

Media | Index feature. This guide describes the configuration procedures for Media Index, such as

configuring Media Index for cluster and single-node installations..

For information on installing MCS, see the MediaCentral Platform Services Installation and

Configuration Guide. For administrative information for MediaCentral | UX, see the Avid

MediaCentral | UX Administration Guide.

Symbols and Conventions

Avid documentation uses the following symbols and conventions:

Symbol or Convention Meaning or Action

n

A note provides important related information, reminders,

recommendations, and strong suggestions.

c

A caution means that a specific action you take could cause harm to

your computer or cause you to lose data.

w

A warning describes an action that could cause you physical harm.

Follow the guidelines in this document or on the unit itself when

handling electrical equipment.

> This symbol indicates menu commands (and subcommands) in the

order you select them. For example, File > Import means to open the

File menu and then select the Import command.

This symbol indicates a single-step procedure. Multiple arrows in a list

indicate that you perform one of the actions listed.

(Windows), (Windows

only), (Macintosh), or

(Macintosh only)

This text indicates that the information applies only to the specified

operating system, either Windows or Macintosh OS X.

Bold font Bold font is primarily used in task instructions to identify user interface

items and keyboard sequences.

Italic font Italic font is used to emphasize certain words and to indicate variables.

Courier Bold font

Courier Bold font identifies text that you type.

Ctrl+key or mouse action Press and hold the first key while you press the last key or perform the

mouse action. For example, Command+Option+C or Ctrl+drag.

If You Need Help

8

If You Need Help

If you are having trouble using your Avid product:

1. Retry the action, carefully following the instructions given for that task in this guide. It is

especially important to check each step of your workflow.

2. Check the latest information that might have become available after the documentation was

published. You should always check online for the most up-to-date release notes or ReadMe

because the online version is updated whenever new information becomes available. To view

these online versions, select ReadMe from the Help menu, or visit the Knowledge Base at

www.avid.com/support.

3. Check the documentation that came with your Avid application or your hardware for

maintenance or hardware-related issues.

4. Visit the online Knowledge Base at www.avid.com/support. Online services are available 24

hours per day, 7 days per week. Search this online Knowledge Base to find answers, to view

error messages, to access troubleshooting tips, to download updates, and to read or join online

message-board discussions.

Avid Training Services

Avid makes lifelong learning, career advancement, and personal development easy and convenient.

Avid understands that the knowledge you need to differentiate yourself is always changing, and Avid

continually updates course content and offers new training delivery methods that accommodate your

pressured and competitive work environment.

For information on courses/schedules, training centers, certifications, courseware, and books, please

visit www.avid.com/support and follow the Training links, or call Avid Sales at 800-949-AVID

(800-949-2843).

1 Media | Index Configuration Overview

This document describes the tasks required to configure a Media Index system.

Media Index comprises the following components:

• Elasticsearch

®

service, which manages data storage and runs the search engine.

• Elasticsearch tribe service, the federated client that enables multi-zone search functionality.

• Data Import API, a bus-based service for metadata indexing, search, configuration, status,

permissions, and updates for Media Index.

• Search API, a bus-based service that provides the search API

• Media Index Configuration API, a bus-based service that provides the API for the Media Index

configuration

• Media Index Status API, a bus-based service that provides the API for the Media Index

• Media Index Permissions API, a bus-based service that provides per asset permissions for the

search service

• Media Index Feed API, a bus-based service that provides an updated assets feed for external

services

• Media Index Thesaurus API, a bus-based service that provides API for importing structured

metadata (dictionaries)

Elasticsearch is an open source, distributed, real-time search and analytics engine. Elasticsearch

stores information about assets and makes it accessible across multiple sites.

Prerequisites for Media | Index Configuration

Before you configure Media Index, you need to install and configure the following MediaCentral

components:

• MediaCentral Platform Services (MCS) — Media Index is configured after you have installed

and set up your MCS system, either for a single node or for a cluster configuration. For more

information about installing and configuring MCS, see the MediaCentral Platform Services

Installation and Configuration Guide.

• Multi-zone components — If you use MCS in a multi-zone environment, you must first

configure the multi-zone components. For information on installing MCS and configuring a

multi-zone environment, see the MediaCentral Platform Services Installation and Configuration

Guide.

Media Index is installed with MediaCentral Platform Services (MCS) by default, but the Media Index

services are not started. You can install Media Index in both a single- and a multi-zone configuration.

Each zone used for a Media Index installation includes a full MCS configuration with an Interplay

Production database. The zone can include a single node or a cluster setup. Multi-zone configurations

federate separate nodes, which can be separated geographically — for example, one node could be

located in Toronto and another in Munich.

Checklist for Configuring Media | Index

10

All required Media Index components install when you install MCS. However, the services needed to

run Media Index by default are not set to start automatically since you must configure them before

you can use Media Index. Once you complete the configuration of the services, you can enable them

to start automatically.

Checklist for Configuring Media | Index

The following table provides a checklist of steps for configuring Media Index components. The

checklist also provides references where to find more information about each step.

Task Section Reference

b

Check the prerequisites. “Prerequisites for Media | Index Configuration”

on page 9.

b

If you are upgrading Media Index, reset your

existing Media Index configuration to prepare for

the upgrade installation. If you have a multi-zone

configuration, you need to upgrade any slave zones

before your master zone. This is important for

upgrading Media Index because as soon as you

upgrade one of your zones, indexed search no

longer works reliably in the old zones.

“Upgrading Media | Index” on page 11.

b

Configure the Media Index and the Elasticsearch

service.

“Configuring Media | Index for a Cluster” on

page 17 and “Configuring Media | Index for a

Single Node” on page 31.

b

Validate your configuration. “Validating the Media | Index Configuration on a

Single Node” on page 35 and “Validating the

Media | Index Configuration on a Cluster” on

page 22.

b

If you have a multi-zone setup, configure

Media Index for multiple zones.

“Setting Up Multi-Zone Search” on page 25.

b

Create and configure the Production Engine Bus

Connector.

“Production Engine Bus Connector Installation”

on page 36.

b

Install and configure the Media Services Engine

and the three Interplay Media Services needed for

delivering media and assets between Interplay

Production workgroups or MediaCentral zones.

“Installing and Configuring Production Services

for MediaCentral Delivery” on page 44.

b

Configure iNEWS for integration with Media

Index. This includes editing host and site files,

assigning the Media Index attribute to queues or

folders, and starting the ftsindex program.

“Setting Up iNEWS for Media | Index

Integration” on page 67.

b

Configure Interplay MAM for integration with

Media Index. This includes using the Sync Service

Administrator to configure the SyncCentralIndex

Service.

“Setting Up Interplay | MAM Sync Service” on

page 57.

For information on installing and configuring

Interplay MAM, see the Interplay | MAM

Installation Manual and the Interplay | MAM Sync

Service Administrator User’s Guide.

2 Upgrading Media | Index

The procedures for upgrading your Media Index configuration depend on which version of

MediaCentral Platform Services (MCS) you want to upgrade. If you upgrade from a version earlier

than MCS v2.3 — for example, if you upgrade from v2.0 to v2.1 or from v2.1 to v2.3 — you need to

reset your Media Index before the upgrade can start. If you upgrade from v2.2.x to v2.3, you only

need to migrate any index that you use in your Media Index configuration.

For upgrading earlier versions, the procedures for resetting Media Index must be completed prior to

upgrading your MCS environment. For more information on upgrading MCS, see the Avid

MediaCentral Platform Services Upgrading Guide.

Upgrading Media Index from v2.0.x or v2.1.x

Before upgrading your Media Index deployment, you must reset Media Index. In a multi-zone

environment, you must reset the Media Index in each zone. During the Media Index reset procedure,

all indexed data is deleted. After upgrade and reconfiguration, you must use the Production Engine

Bus Connector (PEBCo) service to resync and restore the Media Index database. For information on

using PEBCo, see “Production Engine Bus Connector Installation” on page 36.

If you are upgrading a multi-zone configuration, you need to upgrade any slave zones before your

master zone. When you upgrade a zone, it cannot fully access the database in older zones. The zone

can read from the user database so you can still log in as a user in the older configuration, but access

to the database remains in read-only mode so that you cannot create new users in the new zone until

you complete your upgrade.

In multi-zone configurations, you also must edit the ElasticSearch tribe configuration file to remove

information about the zones that you are upgrading. For example, in a two-zone configuration where

you start by upgrading the Zone1, you must remove the information that exposes the zone’s tribe

node to Zone2, and you must remove the Zone2 configuration that exposes the node to Zone1. If

there are other zones that you are not upgrading, you still need to edit the configuration file.

However, any zones remaining at the older version can continue to have configuration information

that exposes the zone to other old zones.

To reset Media Index to prepare for an upgrade:

1. On each node in your configuration, find the PEBCo instance by typing following command:

/opt/avid/bin/pam-agent-ctrl list

The server returns the name of your PEBCo instance.

2. Stop the PEBCo service by typing the following command:

/opt/avid/bin/pam-agent-ctrl stop <instance>

Upgrading Media Index from v2.0.x or v2.1.x

12

3. On the server hosting a zone within your configuration, list the information about systems within

all configured Elasticsearch clusters by typing the following command:

/opt/avid/bin/avid-acs-elastic-index-setup -m info

The terminal window displays the system information for your Media Index configuration.

The following is a sample output:

Systems found: 1

*************************

System id : BC2F27F5-DBC5-4611-869A-F7A43690EE57

System type : interplay

System display name : IP-VM-WG3

Number of assets : 18880

*************************

4. Type the following command for each system you want to delete from the index:

/opt/avid/bin/avid-acs-elastic-index-setup -m deleteSystem --systemId

<id_of_the_system>

To remove more systems from the index, type this command for each system.

5. Type the following command to remove the System Data index:

/opt/avid/bin/avid-acs-elastic-index-setup -m removeSystemData

6. Stop the search API by typing the following commands:

t For single-node installations:

service elasticsearch stop

service elasticsearch-tribe stop

service avid-acs-search stop

service avid-acs-search-import stop

service avid-acs-media-index-status-provider stop

service avid-acs-media-index-permission stop

service avid-acs-media-index-feed stop

t For cluster installations:

service elasticsearch stop

service elasticsearch-tribe stop

crm resource stop AvidSearchEverywhere

crm resource stop AvidSearchImport

service avid-acs-media-index-status-provider stop

service avid-acs-media-index-permission stop

service avid-acs-media-index-feed stop

To configure the Elasticsearch tribe configuration file before upgrading your multi-zone setup:

1. On each node that you want to upgrade, navigate to the directory containing the Elasticsearch

tribe configuration file:

cd /etc/elasticsearch-tribe

Upgrading Media Index from v2.0.x or v2.1.x

13

2. Using the Linux text editor, vi, open the elasticsearch.yml configuration file for editing:

vi elasticsearch.yml

3. In the configuration file, delete the zone bindings information that expose that node to other

nodes in the configuration. For example, if you have a two-zone setup — with Zone1 and

Zone2 — and you want to upgrade Zone2 first, delete the sections of the configuration file

highlighted below:

4. Press the Escape key to return to command mode, then type

:wq

and press Return to write and

quit the text editor.

5. Restart Elasticsearch tribe service by typing the following command:

service elasticsearch-tribe restart

Validating the Media Index Changes

You can change the number of replicas for all indexes, for indexes at the specified alias, or for a

specific index.

To validate your changes:

1. Open a browser and navigate to http://<server_name>:9200/_plugin/head, where sever_name is

the hostname for the server in one zone in your configuration — for example, the local zone.

The Elasticsearch head plug-in Web page opens in your browser.

Upgrading Media Index from v2.2.x to v2.3 or Later

14

2. Check to make sure the system_data index and index information are not listed.

When Media Index is reset for your upgrade process, you can install the latest version of Media

Index. For more information, see one of the following topics:

- For installing Media Index in a cluster configuration, see “Configuring Media | Index for a

Cluster” on page 17.

- For installing Media Index in a single-node configuration, see “Configuring Media | Index

for a Single Node” on page 31.

Upgrading Media Index from v2.2.x to v2.3 or Later

Before you upgrade your MCS environment to v2.3 or later, you need to ensure that there is no active

schema migration currently affecting Media Index. When you change a field set of the system

(Interplay Production, iNEWS, or Interplay Archive) and the changes propagate to Media Index, any

existing data is automatically migrated to reflect the changes. For large indexes, schema migration

can take a while. To avoid an inconsistent Media Index state, you need to make sure that there is no

schema migration actively affecting your indexes.

Once any current migration completes, you can continue with the MCS upgrade procedures. For

information on upgrading MCS, see the Avid MediaCentral Platform Services Upgrading Guide.

When you complete the MCS upgrade, you must migrate your indexes so that all new changes take

effect. Media Index continues to function during migration, with the exception for marker searches,

but it uses the older version of the index do that the migration does not require any downtime for your

MCS system. Once the migration completes, all functionality of the new index is available and the

old index is deleted.

If you upgrade Media Index from v2.4 or v2.5 to v2.6 with an Interplay MAM system, you must

re-sync your legal list using the MAM CentralSyncAgent. Use the CentralSyncAgent Re-sync Legal

List option to resend dictionary data to Media Index. For more information on using the Interplay

MAM Sync Service Administrator, see “Setting Up Interplay | MAM Sync Service” on page 57 and

the Interplay | MAM Sync Service Administrator User’s Guide.

To check the migration status prior to upgrading:

1. Sign in to MediaCentral UX as an administrator.

2. Select System Settings from the Layout selector.

The System Settings layout opens.

3. In the Settings pane select Media Index > Cluster State.

The Media Index Cluster State displays in the Details pane.

Reactivating the Cluster After Upgrading

15

4. Check the cluster state:

- If there is no active migration, all index labels appear in black.

- If the index has an active migration, its label appears in red with an indication of the

migration progress.

5. If there is active migration is in progress, wait for the process to finish before proceeding with

the MCS upgrade procedures.

To migrate the Media Index data after upgrading MCS:

t Type the following command to run media index migration tool:

/opt/avid/media-index/avid-acs-media-index-migration/avid-acs-media-

index-indices-migration

Media Index migration tool detects any existing indexes and automatically migrates the data. A

progress indicator displays during the migration.

Reactivating the Cluster After Upgrading

When you upgrade a cluster configuration, you must reset the cluster by running the

reactivate-cluster script on all nodes that have been upgraded before you set up Media Index in your

upgraded environment. This is due to the cluster still having the search resources configured after the

upgrade, and when the system tries to start the resources it fails because no system data has been

created.

If you have more than two nodes in a zone, you also must put the load-balancing node into standby

after running the cluster reactivation script and before beginning your Media Index configuration.

To reactivate the cluster and set the load balancing node into standby:

1. Log in to the master node of your configuration as the root user, and type the following

command:

/opt/avid/cluster/bin/reactivate-cluster

The cluster resources are reset.

2. To put the load-balancing nodes into standby mode, type the following command:

crm node standby <node_name>

Media | Index Backup Locations

16

Media | Index Backup Locations

When you re-install the MediaCentral Platform Services software, a backup of all data is created

before a complete re-installation using the USB key. However, indexes are not backed up by the

system backup script. This typically does not cause an issue since users generally do not need to back

up their indexes. For cluster configurations, the following notes also apply:

• In a cluster, the index should be configured with data redundancy to avoid data loss.

• In the case of a complete rebuild or of complete data loss within a cluster, Avid recommends that

you do not use a backup but re-index the data instead. This is because the backup will no longer

be in sync with what the index agents are expecting.

With the release of Elasticsearch v1.6, backups are only allowed on shared file locations, the backup

in Media Index v2.4 requires manual configuration of the backup locations. Setting this up correctly

requires a file server to be mounted on all machines. Customers should contact Avid Customer Care

or Avid Professional Services for instructions and support from Avid Engineering in setting this up.

3 Configuring Media | Index for a Cluster

When you set up the Elasticsearch service, you create a node that runs the service on a cluster. Every

node in an MCS cluster runs an Elasticsearch instance as well as an Elasticsearch-tribe instance. The

Elasticsearch instance runs the indexing process while the Elasticsearch-tribe instance is used for

searching. Tribe instances allow you to perform read operations against the nodes in multiple

clusters.

The MCS cluster and the Elasticsearch cluster do not share configuration details and use different

mechanisms for the clustering, even though the MCS cluster contains the Elasticsearch cluster.

You can configure a tribe instance in a federated way so that a tribe instance of one Elasticsearch

cluster can be connected to other Elasticsearch clusters (one or more Elasticsearch data instances).

For multi-zone configurations, this functionality is required where each zone (a single node or an

MCS cluster) runs its own Elasticsearch cluster. The tribe node configuration allows these two

clusters to be connected to each other so you can find assets from remote Elasticsearch clusters.

When you create an index, Elasticsearch creates a number of “shards” and “replicas,” each shard

containing indexed data and each replica containing a copy of that data. You use shards and replicas

to spread the search load and provide redundancy. The default number of shards is 1 and the default

number of replicas is 0, which is appropriate for single node configurations. For cluster

configurations, Avid recommends setting the replica count to one fewer than the number of cluster

nodes to accommodate fail-over safety and load balancing. For example, if your configuration

includes a cluster with five nodes, set the replica count to four. This allows for each node in the

cluster to contain a replica of all your indexed data, with the other node in the cluster containing the

shard. For a cluster configuration, you do not need to reconfigure shards, but you should set the

replica count. If needed, you can change this during your Media Index configuration, but you should

not change the shard count once configuration is complete. If you modify a shard that has been

configured, you must re-index your system. For information on setting replica counts, see

“Configuring Media | Index” on page 19.

Preparing for Media | Index Configuration

When you install MCS, Media Index services are stopped. Before you begin configuring Media

Index, you must make sure all Media Index services are added to the cluster.

To ensure that the Media Index services are added to the cluster, do the following:

t On one of the nodes of your cluster, type the following command:

/opt/avid/cluster/bin/search-cluster setup --cluster-ip=<CLUSTER-IP>

The necessary resources are added to the cluster configuration, and the resources needed for the

configuration start.

Shard Count and Usage

18

Shard Count and Usage

When you configure Media Index, you can set the number of primary shards (see “Configuring

Media | Index” on page 19). The number of shards in your configuration affects the amount of data

that can be stored in your index, although the type of data and metadata affects the size of the index

as well. For single node configurations, Avid recommends that you set the default number of shards

as 1 and the default number of replicas as 0. For a cluster setup, the actual number of shards and

replicas needed depends on your configuration and use cases.

A single shard can contain your entire index, and it can use all of the resources of a single node. In

cluster configurations, you can increase the shard count to decrease the amount of data per shard.

This spreads the load across multiple nodes. Coupled with replicas, this can provide redundancy and

flexibility for your index. For example, if you start with two nodes but know that at some point you

might scale your configuration up to six nodes, you might want to configure Media Index initially for

six shards.

Using multiple shards and replicas also gives your index more stability in case of a failure on one of

your nodes or if you need to take one or more nodes offline for maintenance. For example, the

following table illustrates a configuration with three nodes, three shards distributed on the nodes, and

one replica (for each shard).

If Node 1 goes offline, Replica 1 on Node 3 becomes a primary shard and the index remains fully

functional. However, there are now no replicas for Shards 1 or 2. Elasticsearch then re-creates the

missing replicas, as illustrated in the following table.

If Node 2 goes offline, the index remains functional because Node 3 contains Shards 1 and 3, as well

as a replica of Shard 3. However, if Node 2 goes offline before Elasticsearch re-creates the replicas,

then the index is incomplete and cannot work.

Node Shard Replica

112

223

331

Node Shard Replica

1 [offline] [offline]

2 2 3, 1

33, 12

Configuring Media | Index

19

If you need to take a node offline, you can do any of the following, depending on your needs and

your setup:

• Increase the replica count before removing a node to allow for more nodes to be taken offline.

This causes Elasticsearch to copy data on startup, which can consume processor resources. This

can be a good solution if you remove multiple nodes. However, increasing the number of replicas

puts more load on the existing nodes, both in terms of memory needed for the index and for

storage space.

• Decrease number of shards. This is not a good solution for configurations with large indexes

because you cannot dynamically change the shard count changes on existing indexes. You can

change the replica count at any time, but if you want to change the shard count you must reset the

index, reconfigure it with the new shards count, and then re-index the data.

• Stop Media Index services completely before taking a node offline. You can start the services

again after the node is brought back online and the cluster is restored. This is the best solution

when you need to remove a node temporarily from the cluster.

You can change the number of replicas in a cluster, which allows you to scale your index up or down

as demand requires. However, once you configure your shard count for an index, you cannot modify

this without a full re-index operation. Setting a higher shard count during Media Index configuration

does not impact performance for the index, but there are few advantages. The replica count is more

important in determining the functionality of the index when a node goes offline.

Configuring Media | Index

You configure Media Index in the Media Central | UX System Settings. You must provide the

following properties in your settings:

• Cluster Name — Avid recommends that you use the zone name or location. The cluster name

identifies the Elasticsearch node as part of a cluster. Nodes with the same cluster name can be

joined in a cluster. You must use a different cluster name for each zone in a multi-zone setup,

which requires modifying the cluster name for remote zones.

When you configure Elasticsearch in a multi-zone environment, Avid recommends that you use

the zone name used during the bus and UMS multi-zone setup step as the Elasticsearch cluster

name.

c

If you change the cluster name, during a restart Elasticsearch creates a new data folder. If you

had any indexes before you changed the cluster name, the indexes fail to appear in your

configuration and the information in them is not accessible. While the index data is not lost,

Avid recommends that you not change the cluster name after your initial configuration. When

you work in a multi-zone set-up, you should consider which cluster names you plan to use in all

zones and not change them after the indexing process has started.

• Elasticsearch Cluster Hosts — Specify the server or servers where Elasticsearch service is

running. Avid recommends you use the hostname of the system to easily identify the different

systems within the Elasticsearch configuration. In a standalone deployment, the host is a

hostname or IP address of the Media Central node. In a clustered environment, the host is a series

of hostnames or IP addresses of all nodes in a cluster. Multiple cluster host values must be

separated with commas.

• Elasticsearch TCP Port — Specify the TCP port of the Elasticsearch data node, used for binary

connection protocol and for inter-node communications. The default value is 9300. In most cases

you, you do not need to modify this property.

Configuring Media | Index

20

• Elasticsearch HTTP Port — Specify the port of the Elasticsearch data node HTTP API. The

default value is 9200. In most cases you, you do not need to modify this property.

• Elasticsearch Tribe TCP Port — Specify the TCP port of the Elasticsearch tribe node, used for

inter-node communications. The default value is 9305. In most cases you, you do not need to

modify this property.

• Elasticsearch Tribe HTTP Port — Specify the port of the Elasticsearch tribe node HTTP API.

The default value is 9201. In most cases you, you do not need to modify this property

• Default Shards — Specify default shards count. Avid recommends using a default value of 1

shard.

• Default Replicas — Specify default replica count. The default number of replicas is 0, which is

the required replica count for a single-node configuration. In an MCS cluster installation, you

must set the default number of replicas to a number greater than zero.

c

A replica count greater than zero is necessary in a cluster configuration in order to ensure that

your data gets distributed properly and remains safe. For maximum security, you should set

the replica count to a value of <number of MCS cluster nodes> – 1. Do not set the replica count

to a value greater than this. For example, if your configuration uses two nodes, then set the

replica count to 1.

• Supported languages — Lists the languages supported by Media Index.

Media Index supports multiple languages for your search. However, enabling all languages can slow

down searches. You should enable only those languages your users require. If you work with a

multi-zone configuration, you can enable different languages for each zone, and these languages are

then available for all indexes within the specified zone. If possible, your language selection should be

the same across all zones, because a search using one language returns results only from indexes that

you have configured for this language. The following table provides an example of which languages

are used in searches within a multi-zone configuration with different languages enabled for different

zones.

c

If you change your language settings after you have configured Media Index, you must reset

Media Index. This deletes all indexes, which you then need to re-index.

When you set up a tribe node, you need to make sure the Elasticsearch tribe node configuration file

contains the appropriate properties. For information on configuring tribe nodes in a multi-zone

environment, see “Setting Up Multi-Zone Search” on page 25.

When you set these values and apply your changes, Media Index writes to several configuration files

and restarts cluster services and resources. It also creates the system_data index. This process might

take some time, depending on your cluster configuration.

Enabled Languages Language Selected for Search Languages in Results

Zone 1: English, French

Zone 2: English, Korean

English Zone 1: English

Zone 2: English

Zone 1: English, French

Zone 2: English, Korean

French Zone 1: French

Zone 2: [no results]

Zone 1: English, French, Korean

Zone 2: English, French, Korean

French Zone 1: French

Zone 2: French

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Avid Media Media Index 2.6 Configuration Guide

Avid Media Media Index 2.6 Configuration Guide

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