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zelta(8) System Manager's Manual zelta(8) NAME zelta - perform safe, recursive ZFS operations locally and remotely SYNOPSIS zelta -V | \--version | version zelta SUBCOMMAND [OPTIONS] [ARGUMENTS] DESCRIPTION zelta provides tools for ZFS replication, backup verification, dataset re- covery, and policy-based automation. All operations work recursively on dataset trees and support both local and remote execution via ssh(1). Remote dataset endpoints follow scp(1) conventions. Operations can be per- formed without installing zelta on remote systems--only standard ZFS utili- ties and SSH access are required. Examples: Local: pool/dataset@snapshot Remote: user@example.com:pool/dataset@snapshot See zfs(8) for dataset naming conventions. SUBCOMMANDS For detailed usage of each subcommand, run zelta help or see the respec- tive manual page. zelta -? Display help message. zelta -V, --version, version Display version information. Comparison zelta match source target Compare two dataset trees and report matching snapshots or discrep- ancies. See zelta-match(8). Replication zelta backup source target Replicate a dataset tree. Creates snapshots if needed, detects op- timal send options, and replicates intermediate snapshots. See zelta-backup(8). Recovery zelta clone dataset target Create a writable clone of a dataset tree. See zelta-clone(8). zelta revert dataset Rewind a dataset to a previous snapshot by renaming and cloning. Preserves current state. See zelta-revert(8). zelta rotate source target Preserve divergent dataset versions through rename and clone opera- tions. See zelta-rotate(8). Automation zelta policy [options] Execute replication operations based on configuration file defini- tions. See zelta-policy(8). OPTIONS AND ENVIRONMENT Configuration follows a hierarchy from lowest to highest precedence: 1. Internal defaults 2. `/usr/local/etc/zelta/zelta.env` 3. Policy configuration (`zelta.conf`) 4. Environment variables 5. Command-line arguments See zelta-options(7) for details. FILES /usr/local/etc/zelta/zelta.conf Default policy configuration file. /usr/local/etc/zelta/zelta.env Global default setting overrides. EXAMPLES The following examples use "sink" as the source pool and "tank" as the backup target. Replicate a dataset to a remote host: zelta backup sink/data/project backupuser@backup-host.example:tank/backups/project Compare local and remote dataset trees: zelta match sink/data remote:tank/backups Revert a dataset to its previous snapshot: zelta revert sink/data/project Update a target that has diverged: zelta rotate sink/data/project backupuser@backup-host.example:tank/backups/project Back up everything defined in policy settings (zelta.conf). zelta policy EXIT STATUS Returns 0 on success, non-zero on error. SEE ALSO zelta-match(8), zelta-backup(8), zelta-policy(8), zelta-clone(8), zelta-op- tions(7), zelta-revert(8), zelta-rotate(8), cron(8), ssh(1), zfs(8) AUTHORS Daniel J. Bell <bellhyve@zelta.space> WWW https://zelta.space zelta(8)
NAME | SYNOPSIS | DESCRIPTION | SUBCOMMANDS | OPTIONS AND ENVIRONMENT | FILES | EXAMPLES | EXIT STATUS | SEE ALSO | AUTHORS | WWW
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