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Copy file name to clipboardExpand all lines: modules/ROOT/pages/clustering/databases.adoc
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=== Seed from URI
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This method seeds all servers with an identical seed from an external source, specified by the URI.
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The seed can either be a full backup, a differential backup (xref:clustering/databases.adoc#cloud-seed-provider[`CloudSeedProvider`], introduced in Neo4j 5.26), or a dump from an existing database.
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The seed can either be a full backup, a differential backup, or a dump from an existing database.
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The sources of seeds are called _seed providers_.
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The mechanism is pluggable, allowing new sources of seeds to be supported (see link:https://www.neo4j.com/docs/java-reference/current/extending-neo4j/project-setup/#extending-neo4j-plugin-seed-provider[Java Reference -> Implement custom seed providers] for more information).
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The product has built-in support for seed from a mounted file system (file), FTP server, HTTP/HTTPS server, Amazon S3, Google Cloud Storage (from Neo4j 5.25), and Azure Cloud Storage (from Neo4j 5.25).
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The product has built-in support for seed from a mounted file system (file), FTP server, HTTP/HTTPS server, Amazon S3, Google Cloud Storage, and Azure Cloud Storage.
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[NOTE]
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====
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[[file-seed-provider]]
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==== FileSeedProvider
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label:new[Introduced in 5.26], the `FileSeedProvider` supports:
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The `FileSeedProvider` supports:
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** `file:`
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The `URLConnectionSeedProvider` supports the following:
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** `file:` label:deprecated[Deprecated in 5.26]
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** `ftp:`
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** `http:`
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** `https:`
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[[cloud-seed-provider]]
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==== CloudSeedProvider
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label:new[Introduced in 5.25], the `CloudSeedProvider` supports:
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The `CloudSeedProvider` supports:
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** `s3:`
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** `gs:`
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** `azb:`
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Starting from Neo4j 5.26, the `CloudSeedProvider` supports using xref:backup-restore/modes.adoc#differential-backup[differential backup] files as seeds.
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The `CloudSeedProvider` supports using xref:backup-restore/modes.adoc#differential-backup[differential backup] files as seeds.
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With the provided differential backup file, the `CloudSeedProvider` searches the directory containing differential backup files for a xref:backup-restore/online-backup.adoc#backup-chain[backup chain] ending at the specified differential backup, and then seeds using this backup chain.
`S3SeedProvider` also requires passing in credentials.
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These are specified with the `seedCredentials` option.
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Seed credentials are securely passed from the Cypher command to each server hosting the database.
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For this to work, Neo4j on each server in the cluster must be configured with identical keystores.
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This is identical to the configuration required by remote aliases, see xref:database-administration/aliases/remote-database-alias-configuration.adoc#remote-alias-config-DBMS_admin-A[Configuration of DBMS with remote database alias].
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If this configuration is not performed, the `seedCredentials` option fails.
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