xfs_estimate.8 | xfs_estimate.8 | |||
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xfs_estimate(8) xfs_estimate (8) | xfs_estimate(8) xfs_estimate (8) | |||
NAME | NAME | |||
xfs_estimate - estimate the space that an XFS filesystem will take | xfs_estimate - estimate the space that an XFS filesystem will take | |||
SYNOPSIS | SYNOPSIS | |||
xfs_estimate [ -h? ] [ -b blocksize ] [ -i logsize ] | xfs_estimate [ -h ] [ -b blocksize ] [ -i logsize ] | |||
[ -e logsize ] [ -v ] directory ... | [ -e logsize ] [ -v ] directory ... | |||
xfs_estimate -V | ||||
DESCRIPTION | DESCRIPTION | |||
For each directory argument, xfs_estimate estimates the space t hat | For each directory argument, xfs_estimate estimates the space t hat | |||
directory would take if it were copied to an XFS filesystem. xfs_es ti‐ | directory would take if it were copied to an XFS filesystem. xfs_es ti‐ | |||
mate does not cross mount points. The following definitions are use d: | mate does not cross mount points. The following definitions are use d: | |||
KB = *1024 | KB = *1024 | |||
MB = *1024*1024 | MB = *1024*1024 | |||
GB = *1024*1024*1024 | GB = *1024*1024*1024 | |||
The xfs_estimate options are: | The xfs_estimate options are: | |||
skipping to change at line 34 | skipping to change at line 35 | |||
xfs_estimate -b 64k / | xfs_estimate -b 64k / | |||
requests an estimate of the space required by the directory / on | requests an estimate of the space required by the directory / on | |||
an XFS filesystem using a blocksize of 64K (65536) bytes. | an XFS filesystem using a blocksize of 64K (65536) bytes. | |||
-v Display more information, formatted. | -v Display more information, formatted. | |||
-h Display usage message. | -h Display usage message. | |||
-? Display usage message. | ||||
-i, -e logsize | -i, -e logsize | |||
Use logsize instead of the default log size of 1000 blocks. -i | Use logsize instead of the default log size of 1000 blocks. -i | |||
refers to an internal log, while -e refers to an external l og. | refers to an internal log, while -e refers to an external l og. | |||
The modifiers k or m can be used after the number to indic ate | The modifiers k or m can be used after the number to indic ate | |||
multiplication by 1024 or 1048576, respectively. | multiplication by 1024 or 1048576, respectively. | |||
For example, | For example, | |||
xfs_estimate -i 1m / | xfs_estimate -i 1m / | |||
requests an estimate of the space required by the directory / on | requests an estimate of the space required by the directory / on | |||
an XFS filesystem using an internal log of 1 megabyte. | an XFS filesystem using an internal log of 1 megabyte. | |||
-V Print the version number and exits. | ||||
EXAMPLES | EXAMPLES | |||
% xfs_estimate -e 10m /var/tmp | % xfs_estimate -e 10m /var/tmp | |||
/var/tmp will take about 4.2 megabytes | /var/tmp will take about 4.2 megabytes | |||
with the external log using 2560 blocks or about 10.0 megaby tes | with the external log using 2560 blocks or about 10.0 megaby tes | |||
% xfs_estimate -v -e 10m /var/tmp | % xfs_estimate -v -e 10m /var/tmp | |||
directory bsize blocks megabytes logsize | directory bsize blocks megabytes logsize | |||
/var/tmp 4096 792 4.0MB 10485760 | /var/tmp 4096 792 4.0MB 10485760 | |||
% xfs_estimate -v /var/tmp | % xfs_estimate -v /var/tmp | |||
End of changes. 4 change blocks. | ||||
3 lines changed or deleted | 4 lines changed or added | |||
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