ArcGIS Enterprise High Availability and Disaster Recovery€¦ · Creating and applying snapshots...
Transcript of ArcGIS Enterprise High Availability and Disaster Recovery€¦ · Creating and applying snapshots...
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Managing the Twin Risks to your Operations
Data Loss
Down Time
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The Three Approaches
Backups
High Availability
Disaster RecoveryGeographic Redundancy
Snapshot
Ability to go back in time
No single point of failure
Machine redundancy
No single point of failure
Environment redundancy
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Choosing Between Them
Complementary
Build On Each Other
Cost and Capability
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Backup and Restore
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Backups are….
Simple
Highly Effective
Not Disruptive
Under appreciated
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ArcGIS Enterprise Backups – WebGIS DR Tool
What the tool backs up
Settings(Portal, Server, Data Store)
Services
Portal Content
ArcGIS Data Store Data(relational, scene tiles)
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ArcGIS Enterprise Backups – WebGIS DR Tool
What the tool doesn’t backup
EGDB or file based data
Traditional cache tiles
Notebook Server
User workspace
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How to Backup an ArcGIS Enterprise deployment
Web GIS DR Tool
Property File• Portal URL
• Credentials
• Location
• Scene Cache?
Automate
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WebGIS DR Properties
• Questions:
• Where is your content, (file system, bucket in S3, container in Azure)
• Where do you want your backup stored, (file system, bucket in s3, container in Azure)
• Minimum parameters:
• PORTAL_ADMIN_URL = URL to connect to the portal
• PORTAL_ADMIN_USERNAME = administrator’s username
• PORTAL_ADMIN_PASSWORD = administrator’s password
• BACKUP_RESTORE_MODE = defines if a full or incremental backup will be run
• SHARED_LOCATION = where each backup will be staged
• BACKUP_STORE_PROVIDER = where to store the backup (file system, or cloud)
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WebGIS DR Tool – Usage
• Backup
- Component backups run concurrently
- No downtime while exporting
- Sample syntax
• Restore
- Runs sequentially
- Data Store → Server → Portal
- Downtime while restoring
- Sample syntax
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Scheduling ArcGIS Enterprise backups - Windows
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Scheduling ArcGIS Enterprise backups - Windows
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Scheduling ArcGIS Enterprise backups - Windows
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Scheduling ArcGIS Enterprise backups - Windows
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Scheduling ArcGIS Enterprise backups - Linux
Examples:Run the WebGIS DR Tool at 12:00:00 AM every day:
• Creating a cronjob:
• Cronjob syntax:
Run the tool every 12 hours every day starting at 12:00:00 AM:
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High Availability
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• What is High Availability
• ArcGIS Enterprise High Availability
• Components
• Upgrade
• Other factors for High Availability
Overview
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High Availability (HA)
• Definition:
- A system or component that is continuously operational for a desirably long length of time.
Availability can be measured relative to "100% operational" or "never failing.“ (SLAs)
• Shorter down time costs more
• Elimination of single points of failure.
• Availability of a system depends on the availability of all components
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ArcGIS Server
ArcGIS Data Store
Portal for ArcGIS
Hosted Feature and Tile Data
GIS Services
Portal
ArcGIS Enterprise
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“Highly Available Portal”
Portal Content
(shared)
Load Balancer
Portal Machines
Portal for ArcGIS : High Available Deployment
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Highly Available Portal
• Two Portal machines
• Both Portal machines take requests
• Internally, there is a difference between the two
machines’ role:
- Primary
- Standby
• Behaves a little bit differently :
- Standby machine is down (or Portal service stops)
→ No interruption
- Primary is down (or Portal service stops)
→ Under 30 seconds before standby is promoted
→ Improvement at 10.6.1 from typically a few minutes
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• Not provided by Esri
• Typically already fault tolerant
• Provided by Esri
• Web-Tier Authentication
• Availability dependent on web servers
3rd Party Load BalancerArcGIS Web Adaptor
Portal for ArcGIS: Load Balancing Options
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HA Portal with
Load Balancer & Web Adaptors
Load Balancer
Web Adaptors
Portal Machines
HA Portal with
Load Balancer
Load Balancer
Portal Machines
Portal Content
(shared)
Portal Content
(shared)
• Simpler
• Need certain settings on LB
• Doesn’t support Web Tier Authentication
• More complex
• Web Tier Authentication
Portal for ArcGIS: High Availability Deployment Patterns
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Portal for ArcGIS: Health Check
• Provided by Portal for ArcGIS
- https://<webadaptor machine>.domain.com/<context>/portaladmin/healthCheck
- https://<machine>.domain.com:7443/arcgis/portaladmin/healthCheck
• Check if Portal is ready to take request. Not individual component, e.g. service, item,
etc.
• Or your own customized health check
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Upgrade High Availability Portal for ArcGIS
• There is downtime
- Plan
- Practice
• Make a backup
• No need to take note of roles (new at 10.7)
• Similar other steps as standalone Portal
“Highly Available Portal”
Portal Content
(shared)
Portal Machines
Primary StandbyPrimary
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Portal for ArcGIS: Key Considerations for HA
• Two Portal machines
- Primary
- Standby
• Highly Available Load Balancer
- Web Tier Authentication
- No single Web Adaptor
• Health Check provided for Portal for ArcGIS
• Highly Available shared content store
• Upgrade: Downtime & similar steps as standalone Portal
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ArcGIS Server
Portal for ArcGIS
GIS Services
Portal
ArcGIS Enterprise
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Configuration Store
Server Directories
(shared)
Site
Load Balancer
ArcGIS Server: Multiple-Machine Architecture
• Multiple machines
• Identical Roles
• No interruption
when any machine is down
• The config-store and server
directories need to be accessible
to all machines.
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Server Site with
Load Balancer & Web Adaptors
Load Balancer
Web Adaptors
Server Machines
Server Site with
Load Balancer
Load Balancer
Server Machines
Config-store
Server Directories
(shared)
Config-store
Server Directories
(shared)
ArcGIS Server: High Availability Deployment Patterns
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ArcGIS Server: Health Check
• Provided by ArcGIS Server
- https://<…..domain.com>/<context>/rest/info/healthcheck
- https://<machine>.domain.com:6443/arcgis/rest/info/healthcheck
• Server level health check. Not checking service.
• Or your own customized health check
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Site
Upgrade multi-machine ArcGIS Server
• Install and Upgrade
• Same on all machines
• Downtime for upgrade one
machine
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Server
Portalurl:443
Portal
Services URL:443
privatePortalurl:7443 Administrative URL:6443
443443
Portal for ArcGIS and ArcGIS Server: Federation
Administrative
Communication 7443 6443
Communication
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Load Balancer
Server Machines
Load Balancer
Portal Machines
Load Balancer Load Balancer7443
443
6443
443
Portal for ArcGIS and ArcGIS Server: Federation
Portalurl:443 Services URL:443
privatePortalurl:7443 Administrative URL:6443
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ArcGIS Server : Key Considerations for HA
• Highly Available shared config-store and server directories
• Health Check provided for ArcGIS Server
• Highly Available URLs when communicating with Portal
- Portal URL
- Private Portal URL
- Services URL
- Server Administrative URL
• Install and Upgrade on all machines
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ArcGIS Server
ArcGIS Data Store
Portal for ArcGIS
Hosted Feature and Tile Data
GIS Services
Portal
ArcGIS Enterprise
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Server Site : ArcGIS Data Store’s Load Balancer
“Highly Available ArcGIS Data Store”
Primary Standby
ArcGIS Data Store: High Availability Architecture
Backups
(shared)
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• Primary ArcGIS Data Store stops working: Define Failure
- Computer crashes
- Gets unplugged
- Lose network connectivity
- etc
• Not “gracefully” shutdown
- Data Store service stops
• http://server.arcgis.com/en/documentation/ → Search “Fail over scenarios”
ArcGIS Data Store: Failover Scenarios
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Upgrade High Availability ArcGIS DataStore
• Run setups on both machines
• No need to take note of roles (new at 10.7), run configure to upgrade
- Relational
- TileCache
“Highly Available ArcGIS Data Store”
Primary Standby
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Configuration Store
Server Directories
(shared)
Site
Load Balancer
“Highly Available Portal”
Portal Content
(shared)
Load Balancer
ArcGIS Enterprise High Availability Deployment
“Highly Available ArcGIS Data Store”
Primary Standby
Backups
(shared)
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Configuration Store
Server Directories
(shared)
Site
Load Balancer
“Highly Available Portal”
Portal Content
(shared)
Load Balancer
Upgrade ArcGIS Enterprise High Availability Deployment
“Highly Available ArcGIS Data Store”
Primary Standby
Backups
(shared)
Configuration Store
Server Directories
(shared)
Site
Load Balancer
“Highly Available ArcGIS Data Store”
Primary Standby
Backups
(shared)
• Upgrade Order
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Native Cloud Implementations
• Cloud Store
• Portal content store
• Cloud Storage in Server Manager
• Caching
• GeoAnalytics Data Input
• Raster Analytics
• ArcGIS Spatial Temporal DataStore backups
• Webgisdr backups
• DB & Cloud Store
• ArcGIS Server config-store
• User-defined compatible storage
• Caching
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• Your Data
- Enterprise GeoDatabase
- File based Data
• Software
- Web Server
- Software Load Balancer
• Hardware
- File Server- Network
• People
- HA?
- IT strong?
ArcGIS Enterprise HA: Part of Your HA Architecture
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• Ensure the effective and efficient use of IT
• Policies and procedures highly disciplined
- Planned and updated in a timely manner
- Documented clearly
- Tested properly
- Exercised with staff
ArcGIS Enterprise HA: IT Governance
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ArcGIS Enterprise HA: Spectrum, Not a Switch
Downtime (decreasing)
Co
st
Business
Interruption
Workday
Interruption
Momentary
Interruption
Days Hours Minutes Seconds
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Disaster Recovery
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Overview
• What is geographic redundancy
• Using the Web GIS DR tool
• Roadmap to being geographically redundant
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• Geographically separate data centers
• Duplicated configurations and data between the
two data centers
• Components within data centers are typically
highly available
• WebGIS DR Tool can be used to move
snapshots of data from primary to standby
• Complex disaster recovery option
Geographic Redundancy
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East coast data center (primary) West coast data center (standby)
Geographic Redundancy
Public Portal URL - https://mysite.esri.com/portal
Services URL – https://mysite.esri.com/server
Public portal URL and services URL need to be the same
Referenced data paths need to be the same
198.0.0.1 198.0.0.2
Traffic Manager
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East coast data center (primary) West coast data center (standby)
Geographic Redundancy
Traffic Manager
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East coast data center (primary) West coast data center (standby)
Geographic Redundancy
Traffic Manager
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East coast data center (primary) West coast data center (standby)
Geographic Redundancy
Traffic Manager
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East Coast Region West Coast Region
Geographic Redundancy – Cloud Deployments
Traffic Manager
Central Region
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• New at 10.8 is the ability to put the entire ArcGIS Enterprise
into “read only” mode
• Could be useful for Geographic Redundancy failover
scenarios
- Second site is operational but no new content can be created
- Eliminates exercise of pushing deltas back to primary site when it
comes back online
• Also can be useful in some upgrade scenarios
- Snapshots to duplicate environment to upgrade
Readonly Mode
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1. Duplicate the deployment between primary and standby
data centers
2. Create snapshots of the primary data center
3. Apply snapshots to the standby data center
4. Monitor your standby data center
Roadmap for geographic redundancy
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• Number of machines should be the same
• Identical URLs between data centers
- Public Portal URL
- Services URL
• Identical paths to data and connections to
databases or enterprise geodatabases
Primary Data Center Standby Data Center
P1
S1
DS1
P2
S2
DS2
P3
S3
DS3
P4
S4
DS4
Duplication
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Duplication – What needs to be the same?
10.4-10.4.1
• Public facing and internal URLs
• By reference data stores
• Server site directory paths• Machine names
• Security information
10.5-10.6
• Public facing URLs
• By reference data stores• Server site directory paths
• Security information
10.6.1 – 10.8
• Public facing URLs
• By reference data stores
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Creating and applying snapshots
• Full snapshot
- Create an initial snapshot of all of the data within the ArcGIS Enterprise
- Internally defines a base time that will be used for an incremental snapshot
• Incremental snapshot
- Creates a snapshot of all of the data that has been created or modified since the last full backup
- Decreases the time it takes to synchronize content, services, and data between primary and standby
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• Creates a snapshot of all data added or modified since the last full snapshot
Monday Tuesday Wednesday Thursday Friday SaturdaySunday Sunday
Creating incremental snapshots
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• QC process on standby ArcGIS Enterprise
- Checking the index within Portal
- Validating federated Servers
- Validating data stores using Server Admin
- Checking important services or applications
• Detecting when components fail within a data
center
- Monitoring the healthCheck URLs of Portal and
Server
Monitoring and Failover
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• Important to understands the requirements of geographic redundancy
as a disaster recovery option
• Take advantage of the Web GIS DR tool to move snapshots of the
deployment from primary to standby
• Geographic redundancy is a complex disaster recovery option
Takeaway points
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Success Stories with HA or DR
• Let us know if you have a success story to
share
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Print Your Certificate of Attendance
Print Stations Located in 150 Concourse Lobby
Wednesday10:45 am – 5:15 pm
Expo
Hall B
6:30 pm – 9:30 pm
Networking Reception
Smithsonian National Museum
of Natural History
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Download the Esri
Events app and find your event
Select the session
you attended
Scroll down to
“Survey”
Log in to access the
survey
Complete the survey
and select “Submit”
Please Share Your Feedback in the App