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mc ilm restore

Syntax

The mc ilm restore command creates a temporary copy of an object archived on a remote tier. The copy automatically expires after 1 day by default.

Use this command to allow applications to access a tiered object through the MinIO deployment (e.g. “hot tier”). The archived object remains on the remote tier, while the temporary copy becomes HEAD for that object.

The following command restores a copy of a transitioned object from the remote tier back to the myminio MinIO deployment:

mc ilm restore myminio/mybucket/object.txt

The command has the following syntax:

mc [GLOBALFLAGS] ilm restore      \
                 [--days "int" ]  \
                 [--recursive]    \
                 [--vid "string"] \
                 [--versions]     \
                 ALIAS

  • Brackets [] indicate optional parameters.

  • Parameters sharing a line are mutually dependent.

  • Parameters seperated using the pipe | operator are mutually exclusive.

Copy the example to a text editor and modify as-needed before running the command in the terminal/shell.

Parameters

ALIAS

Required The MinIO alias, bucket, and path to the archived object to restore.

mc ilm restore myminio/mybucket/object.txt
--days

Optional The number of days after which MinIO expires the restored copy of the archived object.

--recursive, r

Optional Restores all objects under the specified prefix.

--versions

Optional Restores all versions of the object on the remote tier.

--version-id, vid

Optional Restores the specified version of the object on the remote tier.

Global Flags

--debug
Optional

Enables verbose output to the console.

For example:

mc --debug COMMAND
--config-dir
Optional

The path to a JSON formatted configuration file that mc uses for storing data. See Configuration File for more information on how mc uses the configuration file.

--JSON
Optional

Enables JSON lines formatted output to the console.

For example:

mc --JSON COMMAND
--no-color
Optional

Disables the built-in color theme for console output. Useful for dumb terminals.

--quiet
Optional

Suppresses console output.

--insecure
Optional

Disables TLS/SSL certificate verification. Allows TLS connectivity to servers with invalid certificates. Exercise caution when using this option against untrusted S3 hosts.

--version
Optional

Displays the current version of mc.

--help
Optional

Displays a summary of command usage on the terminal.

Examples

Restore an Archived Object

The following command restores an object archived to a remote tier:

mc ilm restore myminio/mybucket/object.txt

Restore a Specific Archived Object Version

The following command restore a specific object version archived to a remote tier:

mc ilm restore --vid "VERSIONID" myminio/mybucket/object.txt

Restore All Archived Objects at a Bucket Prefix

The following command restores all objects archived under a specified prefix on the remote tier:

mc ilm restore --recursive myminio/mybucket/data/

Behavior

Restored Objects Expire Automatically

MinIO automatically expires the restored object copy after the specified number of days (Default: 1 day).

Restored Objects Become HEAD

The restored object copy becomes HEAD for that object namespace regardless of it’s versioning history. This can result in applications returning “stale” data while the local copy exists.

S3 Compatibility

The mc commandline tool is built for compatibility with the AWS S3 API and is tested MinIO and AWS S3 for expected functionality and behavior.

MinIO provides no guarantees for other S3-compatible services, as their S3 API implementation is unknown and therefore unsupported. While mc commands may work as documented, any such usage is at your own risk.

This work is licensed under a Creative Commons Attribution 4.0 International License.

©2020-Present, MinIO, Inc.

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