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dmzadm(8)

dm-zoned-tools

"dm-zoned" device-mapper target manager

NAME

dmzadm - manage zoned block device format for use with the dm-zoned device mapper

SYNOPSIS

dmzadm < operation > < zoned-block-device > [ options ]

DESCRIPTION

dmzadm is used to format, check and repair a zoned block device used with the dm-zoned device mapper. zoned-block-device is the special file corresponding to the target zoned blocks device (e.g. /dev/sdXX). operation specifies the action to be taken for the device.
The exit code returned by dmzadm is 0 on success and 1 on failure.

OPERATIONS

dmzadm allows the following operations.
Format Write to the zoned block device dm-zoned metadata, whiping clean all data that was stored on the device.
Check Check the zoned block device metadata consistency. No repair action is taken. Errors are not corrected with this operation. For repairing incorrect metadata, the Repair operation must be used.
Repair Check the zoned block device metadata consistency and try to repair any error detected.
Help Print a short usage description of dmzadm

OPTIONS

Options for selecting an operation are:
--format
Format a zoned block device.
--check Check a zoned block device metadata.
--repair
Check a zoned block device metadata and attempt to repair any error found.
--help, -h
Print usage help.
General options:
--verbose, -v
Verbose output detailing actions taken.
--vverbose, -vv
Very detailed output of actions taken.
Format operation options:
--seq<num>
Specify the number of sequential zones to be reserved for reclaim.

AUTHOR

This version of dmzadm has been written by Damien Le Moal <> and Albert H. Chen <>

AVAILABILITY

SEE ALSO

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