Estimate XFS metadata and data usage
Build a paste-ready command, then review its compatibility and effects before running it.
xfs_estimate -v <path>Complete required fields to copy the generated command.
read-onlyno known side effects Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-20
Requirementsxfs_estimatexfs_estimate must be installed and available on PATH.
Version supportxfs_estimate Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signals/var/log will take about 2.1 megabytesRepresentative successful output; values vary with the selected target and system state.
Known errorsxfs_estimate: command not foundxfs_estimate is missing or is not available on PATH.
Verifyxfs_estimate -v {{path}}The output matches the expected target and exits without an error.Rollback noteNot required: this command is read-only and does not change system state.
Command breakdown
01xfs_estimateCommandRuns the xfs_estimate stage of this one-liner.
02-vOptionEnables verbose output for this command.
03<path>ParameterA value supplied in the Fill parameters section.
Example input
xfs_estimate -v /var/log
Example output
/var/log will take about 2.1 megabytes
Illustrative output — exact values vary by system and data.
Official sources