thin_repair8

Usage

Overview

thin_repair reads binary thin provisioning metadata created by the respective device-mapper target from one device or file, repairs it and writes it to different device or file. If written to a metadata device, the metadata can be processed by the device-mapper target.

This tool cannot be run on live metadata.

Options

-h, --help

Print help and exit.

-V, --version

Print version information and exit.

-i, --input {device|file}

Input file or device with binary data.

-o, --output {device|file}

Output file or device for binary data.

    If a file is used for output, then it must be preallocated, and large
    enough to hold the metadata.

--transaction-id {natural}

Override the transaction id given in the input xml.

--data-block-size {natural}

Override the data block size given in the input xml.

--nr-data-blocks {natural}

Override the nr data blocks given in the input xml.

Examples

Reads the binary thin provisioning metadata from file metadata, repairs it and writes it to logical volume /dev/vg/metadata for further processing by the respective device-mapper target:

    $ thin_repair -i metadata -o /dev/vg/metadata

Diagnostics

thin_repair returns an exit code of 0 for success or 1 for error.