XFS_ESTIMATE(8) (NAME) xfs_estimate - XFS (SYNOPSIS) xfs_estimate [ -h ] [ -b blocksize ] [ -i logsize ] [ -e logsize ] [ -v ] directory ... xfs_estimate -V (DESCRIPTION) xfs_estimate XFS . directory xfs_estimate XFS . xfs_estimate (mount points) . : KB = *1024 MB = *1024*1024 GB = *1024*1024*1024 xfs_estimate : -b blocksize blocksize . k . xfs_estimate -b 64k / / XFS K () . -v . -h . -i, -e logsize logsize . -i (internal log) -e (external log) . k m . xfs_estimate -i 1m / / XFS . -V . (EXAMPLES) % xfs_estimate -e 10m /var/tmp /var/tmp will take about 4.2 megabytes with the external log using 2560 blocks or about 10.0 megabytes % xfs_estimate -v -e 10m /var/tmp directory bsize blocks megabytes logsize /var/tmp 4096 792 4.0MB 10485760 % xfs_estimate -v /var/tmp directory bsize blocks megabytes logsize /var/tmp 4096 3352 14.0MB 10485760 % xfs_estimate /var/tmp /var/tmp will take about 14.0 megabytes xfsprogs XFS_ESTIMATE(8)