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head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
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can be created by specifying the | can be created by specifying the | ||||
.Fl s | .Fl s | ||||
option to the | option to the | ||||
.Qq Nm Cm create Fl V | .Qq Nm Cm create Fl V | ||||
command, or by changing the value of the | command, or by changing the value of the | ||||
.Sy refreservation | .Sy refreservation | ||||
property, or | property, or | ||||
.Sy reservation | .Sy reservation | ||||
property on pool version 8 or earlier | property on pool | ||||
.Po | |||||
version 8 or earlier | |||||
.Pc | .Pc | ||||
after the volume has been created. | after the volume has been created. | ||||
A "sparse volume" is a volume where the value of | A "sparse volume" is a volume where the value of | ||||
.Sy refreservation | .Sy refreservation | ||||
is less then the size of the volume plus the space required to store its | is less then the size of the volume plus the space required to store its | ||||
metadata. | metadata. | ||||
Consequently, writes to a sparse volume can fail with | Consequently, writes to a sparse volume can fail with | ||||
.Sy ENOSPC | .Sy ENOSPC | ||||
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