Show XFS geometry for a mounted filesystem
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read-onlyno known side effects Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-20
Requirementsxfs_infoxfs_info must be installed and available on PATH.
Version supportxfs_info Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signalsmeta-data=/dev/sdb1 isize=512 agcount=4, agsize=6553600 blksRepresentative successful output; values vary with the selected target and system state.
Known errorsxfs_info: command not foundxfs_info is missing or is not available on PATH.
Verifyxfs_info {{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_infoCommandRuns the xfs_info stage of this one-liner.
02<path>ParameterA value supplied in the Fill parameters section.
Example input
xfs_info /var/log
Example output
meta-data=/dev/sdb1 isize=512 agcount=4, agsize=6553600 blks
= sectsz=512 attr=2, projid32bit=1
data = bsize=4096 blocks=26214400
Illustrative output — exact values vary by system and data.
Official sources