.\"
.\" Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved.
.\" Copyright 2011 Joshua M. Clulow <josh@sysmgr.org>
-.\" Copyright (c) 2011, 2014 by Delphix. All rights reserved.
+.\" Copyright (c) 2011, 2015 by Delphix. All rights reserved.
.\" Copyright (c) 2014, Joyent, Inc. All rights reserved.
.\" Copyright 2012 Nexenta Systems, Inc. All Rights Reserved.
.\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
.LP
.nf
-\fBzfs\fR \fBsend\fR [\fB-DnPpRveL\fR] [\fB-\fR[\fBiI\fR] \fIsnapshot\fR] \fIsnapshot\fR
+\fBzfs\fR \fBsend\fR [\fB-DnPpRveLc\fR] [\fB-\fR[\fBiI\fR] \fIsnapshot\fR] \fIsnapshot\fR
.fi
.LP
.nf
-\fBzfs\fR \fBsend\fR [\fB-eL\fR] [\fB-i \fIsnapshot\fR|\fIbookmark\fR]\fR \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR
+\fBzfs\fR \fBsend\fR [\fB-Le\fR] [\fB-i \fIsnapshot\fR|\fIbookmark\fR]\fR \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR
.fi
.LP
.nf
-\fBzfs\fR \fBreceive\fR [\fB-vnFu\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR
+\fBzfs\fR \fBsend\fR [\fB-Penv\fR] \fB-t\fR \fIreceive_resume_token\fR
.fi
.LP
.nf
-\fBzfs\fR \fBreceive\fR [\fB-vnFu\fR] [\fB-d\fR|\fB-e\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR
+\fBzfs\fR \fBreceive\fR [\fB-Fnsuv\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR
+.fi
+
+.LP
+.nf
+\fBzfs\fR \fBreceive\fR [\fB-Fnsuv\fR] [\fB-d\fR|\fB-e\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR
+.fi
+
+.LP
+.nf
+\fBzfs\fR \fBreceive\fR \fB-A\fR \fIfilesystem\fR|\fIvolume\fR
.fi
.LP
A dataset can be one of the following:
.sp
.ne 2
-.mk
.na
\fB\fIfilesystem\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fIvolume\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fIsnapshot\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fIbookmark\fR\fR
.ad
The following native properties consist of read-only statistics about the dataset. These properties can be neither set, nor inherited.
.sp
.ne 2
-.mk
.na
\fB\fBavailable\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBcompressratio\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBcreation\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBclones\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBfilesystem_count\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBorigin\fR\fR
.ad
.sp .6
.RS 4n
-For cloned file systems or volumes, the snapshot from which the clone was created. See also the \fBclones\fR property.
+For cloned file systems or volumes, the snapshot from which the clone was created. The origin cannot be destroyed (even with the \fB-r\fR or \fB-f\fR options) so long as a clone exists. See also the \fBclones\fR property.
+.RE
+
+.sp
+.ne 2
+.na
+\fB\fBreceive_resume_token\fR\fR
+.ad
+.sp .6
+.RS 4n
+For filesystems or volumes which have saved partially-completed state from \fBzfs receive -s\fR , this opaque token can be provided to \fBzfs send -t\fR to resume and complete the \fBzfs receive\fR.
.RE
.sp
.sp
.ne 2
-.mk
.na
\fB\fBrefcompressratio\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsnapshot_count\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBused\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBusedby*\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBusedbychildren\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBusedbydataset\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBusedbyrefreservation\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBusedbysnapshots\fR\fR
.ad
.sp
.ne 2
-.mk
.na
+\fB\fBuserobjused@\fR\fIuser\fR\fR
+.br
\fB\fBuserused@\fR\fIuser\fR\fR
.ad
.sp .6
.RE
Files created on Linux always have POSIX owners.
+.RS 4n
+The \fBuserobjused\fR is similar to \fBuserused\fR but instead it counts the number of objects consumed by \fIuser\fR. This feature doesn't count the internal objects used by ZFS, therefore it may under count a few objects comparing with the results of third-party tool such as \fBdfs -i\fR.
+When the property \fBxattr=on\fR is set on a fileset, ZFS will create additional objects per-file to store extended attributes. These additional objects are reflected in the \fBuserobjused\fR value and are counted against the user's \fBuserobjquota\fR. When a filesystem is configured to use \fBxattr=sa\fR no additional internal objects are required.
+.RE
+
.sp
.ne 2
-.mk
.na
\fB\fBuserrefs\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBgroupused@\fR\fIgroup\fR\fR
+.br
+\fB\fBgroupobjused@\fR\fIgroup\fR\fR
.ad
.sp .6
.RS 4n
Unprivileged users can only access their own groups' space usage. The root user, or a user who has been granted the \fBgroupused\fR privilege with \fBzfs allow\fR, can access all groups' usage.
.RE
+.RS 4n
+The \fBgroupobjused\fR is similar to \fBgroupused\fR but instead it counts the number of objects consumed by \fIgroup\fR.
+When the property \fBxattr=on\fR is set on a fileset, ZFS will create additional objects per-file to store extended attributes. These additional objects are reflected in the \fBgroupobjused\fR value and are counted against the group's \fBgroupobjquota.\fR. When a filesystem is configured to use \fBxattr=sa\fR no additional internal objects are required.
+.RE
+
.sp
.ne 2
-.mk
.na
\fB\fBvolblocksize\fR=\fIblocksize\fR\fR
.ad
The following native properties can be used to change the behavior of a \fBZFS\fR dataset.
.sp
.ne 2
-.mk
.na
\fB\fBaclinherit\fR=\fBrestricted\fR | \fBdiscard\fR | \fBnoallow\fR | \fBpassthrough\fR | \fBpassthrough-x\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBacltype\fR=\fBoff\fR | \fBnoacl\fR | \fBposixacl\fR \fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBatime\fR=\fBon\fR | \fBoff\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBcanmount\fR=\fBon\fR | \fBoff\fR | \fBnoauto\fR\fR
.ad
.sp
.ne 2
-.mk
.na
-\fB\fBchecksum\fR=\fBon\fR | \fBoff\fR | \fBfletcher2\fR | \fBfletcher4\fR | \fBsha256\fR\fR
+\fB\fBchecksum\fR=\fBon\fR | \fBoff\fR | \fBfletcher2\fR | \fBfletcher4\fR | \fBsha256\fR | \fBnoparity\fR | \fBsha512\fR | \fBskein\fR | \fBedonr\fR\fR
.ad
.sp .6
.RS 4n
-Controls the checksum used to verify data integrity. The default value is \fBon\fR, which automatically selects an appropriate algorithm (currently, \fBfletcher4\fR, but this may change in future releases). The value \fBoff\fR disables integrity checking on user data. Disabling checksums is \fBNOT\fR a recommended practice.
+Controls the checksum used to verify data integrity. The default value is
+\fBon\fR, which automatically selects an appropriate algorithm (currently,
+\fBfletcher4\fR, but this may change in future releases). The value \fBoff\fR
+disables integrity checking on user data. The value \fBnoparity\fR not only
+disables integrity but also disables maintaining parity for user data.
+This setting is used internally by a dump device residing on a RAID-Z pool and
+should not be used by any other dataset. Disabling checksums is \fBNOT\fR a
+recommended practice.
.sp
+The \fBsha512\fR, \fBskein\fR, and \fBedonr\fR checksum algorithms require
+enabling the appropriate features on the pool. Please see zpool-features for
+more information on these algorithms.
+
Changing this property affects only newly-written data.
.RE
.sp
.ne 2
-.mk
.na
\fB\fBcompression\fR=\fBoff\fR | \fBon\fR | \fBlzjb\fR | \fBlz4\fR |
\fBgzip\fR | \fBgzip-\fR\fIN\fR | \fBzle\fR\fR
.sp
.ne 2
-.mk
.na
\fB\fBcopies\fR=\fB1\fR | \fB2\fR | \fB3\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBdedup\fR=\fBoff\fR | \fBon\fR | \fBverify\fR | \fBsha256\fR[,\fBverify\fR]\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBdevices\fR=\fBon\fR | \fBoff\fR\fR
.ad
The values \fBon\fR and \fBoff\fR are equivalent to the \fBdev\fR and \fBnodev\fR mount options.
.RE
+.sp
+.ne 2
+.na
+\fB\fBdnodesize\fR=\fBlegacy\fR | \fBauto\fR | \fB1k\fR | \fB2k\fR | \fB4k\fR | \fB8k\fR | \fB16k\fR\fR
+.ad
+.sp .6
+.RS 4n
+Specifies a compatibility mode or literal value for the size of dnodes
+in the file system. The default value is \fBlegacy\fR. Setting this
+property to a value other than \fBlegacy\fR requires the
+\fBlarge_dnode\fR pool feature to be enabled.
+.sp
+Consider setting \fBdnodesize\fR to \fBauto\fR if the dataset uses the
+\fBxattr=sa\fR property setting and the workload makes heavy use of
+extended attributes. This may be applicable to SELinux-enabled systems,
+Lustre servers, and Samba servers, for example. Literal values are
+supported for cases where the optimal size is known in advance and for
+performance testing.
+.sp
+Leave \fBdnodesize\fR set to \fBlegacy\fR if you need to receive
+a \fBzfs send\fR stream of this dataset on a pool that doesn't enable
+the \fBlarge_dnode\fR feature, or if you need to import this pool on a
+system that doesn't support the \fBlarge_dnode\fR feature.
+.sp
+This property can also be referred to by its shortened column name,
+\fBdnsize\fR.
+.RE
+
.sp
.ne 2
.mk
.sp
.ne 2
-.mk
.na
\fB\fBmlslabel\fR=\fBnone\fR\fR | \fIlabel\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBfilesystem_limit\fR=\fBnone\fR\fR | \fIcount\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBnbmand\fR=\fBoff\fR | \fBon\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBprimarycache\fR=\fBall\fR | \fBnone\fR | \fBmetadata\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBquota\fR=\fBnone\fR | \fIsize\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsnapshot_limit\fR=\fBnone\fR\fR | \fIcount\fR
.ad
.ne 2
.na
\fB\fBuserquota@\fR\fIuser\fR=\fBnone\fR | \fIsize\fR\fR
+.br
+\fB\fBuserobjquota@\fR\fIuser\fR=\fBnone\fR | \fIcount\fR\fR
.ad
.sp .6
.RS 4n
.RE
Files created on Linux always have POSIX owners.
+.RS 4
+The \fBuserobjquota\fR is similar to \fBuserquota\fR but it limits the number of objects a \fIuser\fR can create.
+Please refer to \fBuserobjused\fR for more information about how ZFS counts object usage.
+.RE
+
.sp
.ne 2
-.mk
.na
\fB\fBgroupquota@\fR\fIgroup\fR=\fBnone\fR\fR | \fIsize\fR
+.br
+\fB\fBgroupobjquota@\fR\fIgroup\fR=\fBnone\fR\fR | \fIcount\fR
.ad
.sp .6
.RS 4n
Limits the amount of space consumed by the specified group. Group space consumption is identified by the \fBuserquota@\fR\fIuser\fR property.
.sp
Unprivileged users can access only their own groups' space usage. The root user, or a user who has been granted the \fBgroupquota\fR privilege with \fBzfs allow\fR, can get and set all groups' quotas.
+
+The \fBgroupobjquota\fR is similar to \fBgroupquota\fR but it limits that the \fIgroup\fR can consume \fIcount\fR number of objects at most.
+Please refer to \fBuserobjused\fR for more information about how zfs counts object usage.
.RE
.sp
.ne 2
-.mk
.na
\fB\fBreadonly\fR=\fBoff\fR | \fBon\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBrecordsize\fR=\fIsize\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBredundant_metadata\fR=\fBall\fR | \fBmost\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBrefreservation\fR=\fBnone\fR | \fIsize\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBrelatime\fR=\fBoff\fR | \fBon\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBreservation\fR=\fBnone\fR | \fIsize\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsecondarycache\fR=\fBall\fR | \fBnone\fR | \fBmetadata\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsetuid\fR=\fBon\fR | \fBoff\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsharesmb\fR=\fBoff\fR | \fBon\fR
.ad
.sp
.in +2
Example to mount a SMB filesystem shared through ZFS (share/tmp):
-.mk
Note that a user and his/her password \fBmust\fR be given!
.sp
.in +2
.in -2
.sp
.ne 2
-.mk
.na
\fBMinimal /etc/samba/smb.conf configuration\fR
.sp
.sp
.ne 2
-.mk
.na
\fB\fBsharenfs\fR=\fBoff\fR | \fBon\fR | \fIopts\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBlogbias\fR=\fBlatency\fR | \fBthroughput\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsnapdev\fR=\fBhidden\fR | \fBvisible\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsnapdir\fR=\fBhidden\fR | \fBvisible\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBsync\fR=\fBstandard\fR | \fBalways\fR | \fBdisabled\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBvolsize\fR=\fIsize\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBvscan\fR=\fBoff\fR | \fBon\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBxattr\fR=\fBon\fR | \fBoff\fR | \fBsa\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzoned\fR=\fBoff\fR | \fBon\fR\fR
.ad
The following three properties cannot be changed after the file system is created, and therefore, should be set when the file system is created. If the properties are not set with the \fBzfs create\fR or \fBzpool create\fR commands, these properties are inherited from the parent dataset. If the parent dataset lacks these properties due to having been created prior to these features being supported, the new file system will have the default values for these properties.
.sp
.ne 2
-.mk
.na
\fB\fBcasesensitivity\fR=\fBsensitive\fR | \fBinsensitive\fR | \fBmixed\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBnormalization\fR = \fBnone\fR | \fBformC\fR | \fBformD\fR | \fBformKC\fR | \fBformKD\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fButf8only\fR=\fBoff\fR | \fBon\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBcontext\fR=\fBnone\fR | \fISELinux_User:SElinux_Role:Selinux_Type:Sensitivity_Level\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBfscontext\fR=\fBnone\fR | \fISELinux_User:SElinux_Role:Selinux_Type:Sensitivity_Level\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBdefcontext\fR=\fBnone\fR | \fISELinux_User:SElinux_Role:Selinux_Type:Sensitivity_Level\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBrootcontext\fR=\fBnone\fR | \fISELinux_User:SElinux_Role:Selinux_Type:Sensitivity_Level\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBoverlay\fR=\fBoff\fR | \fBon\fR\fR
.ad
All subcommands that modify state are logged persistently to the pool in their original form. The log can be viewed with \fBzpool history\fR.
.sp
.ne 2
-.mk
.na
\fB\fBzfs ?\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs create\fR [\fB-p\fR] [\fB-o\fR \fIproperty\fR=\fIvalue\fR] ... \fIfilesystem\fR\fR
.ad
Creates a new \fBZFS\fR file system. The file system is automatically mounted according to the \fBmountpoint\fR and \fBcanmount\fR properties.
.sp
.ne 2
-.mk
.na
\fB\fB-p\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIproperty\fR=\fIvalue\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs create\fR [\fB-ps\fR] [\fB-b\fR \fIblocksize\fR] [\fB-o\fR \fIproperty\fR=\fIvalue\fR] ... \fB-V\fR \fIsize\fR \fIvolume\fR\fR
.ad
\fIsize\fR is automatically rounded up to the nearest 128KiB to ensure that the volume has an integral number of blocks regardless of \fIblocksize\fR.
.sp
.ne 2
-.mk
.na
\fB\fB-p\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-s\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIproperty\fR=\fIvalue\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-b\fR \fIblocksize\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fBzfs destroy\fR [\fB-fnpRrv\fR] \fIfilesystem\fR|\fIvolume\fR
.ad
Destroys the given dataset. By default, the command unshares any file systems that are currently shared, unmounts any file systems that are currently mounted, and refuses to destroy a dataset that has active dependents (children or clones).
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-R\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-f\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fBzfs destroy\fR [\fB-dnpRrv\fR] \fIfilesystem\fR|\fIvolume\fR@\fIsnap\fR[%\fIsnap\fR][,...]
.ad
comma-separated list to identify multiple snapshots.
.sp
.ne 2
-.mk
.na
\fB\fB-d\fR\fR
.ad
.sp .6
.RS 4n
-If the snapshot does not qualify for immediate destruction, rather than returning an error, it is marked for deferred destruction. In this state, it exists as a usable, visible snapshot until both of the preconditions listed above are met, at which point it is destroyed.
+If a snapshot does not qualify for immediate destruction, rather than returning an error, it is marked for deferred destruction. In this state, it exists as a usable, visible snapshot until both of the preconditions listed above are met, at which point it is destroyed.
.RE
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-R\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fBzfs destroy\fR \fIfilesystem\fR|\fIvolume\fR#\fIbookmark\fR
.ad
Creates snapshots with the given names. All previous modifications by successful system calls to the file system are part of the snapshots. Snapshots are taken atomically, so that all snapshots correspond to the same moment in time. See the "Snapshots" section for details.
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIproperty\fR=\fIvalue\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs rollback\fR [\fB-rRf\fR] \fIsnapshot\fR\fR
.ad
The \fB-rR\fR options do not recursively destroy the child snapshots of a recursive snapshot. Only direct snapshots of the specified filesystem are destroyed by either of these options. To completely roll back a recursive snapshot, you must rollback the individual child snapshots.
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-R\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-f\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs clone\fR [\fB-p\fR] [\fB-o\fR \fIproperty\fR=\fIvalue\fR] ... \fIsnapshot\fR \fIfilesystem\fR|\fIvolume\fR\fR
.ad
Creates a clone of the given snapshot. See the "Clones" section for details. The target dataset can be located anywhere in the \fBZFS\fR hierarchy, and is created as the same type as the original.
.sp
.ne 2
-.mk
.na
\fB\fB-p\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIproperty\fR=\fIvalue\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs promote\fR \fIclone-filesystem\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs rename\fR [\fB-f\fR] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR\fR
.ad
Renames the given dataset. The new target can be located anywhere in the \fBZFS\fR hierarchy, with the exception of snapshots. Snapshots can only be renamed within the parent file system or volume. When renaming a snapshot, the parent file system of the snapshot does not need to be specified as part of the second argument. Renamed file systems can inherit new mount points, in which case they are unmounted and remounted at the new mount point.
.sp
.ne 2
-.mk
.na
\fB\fB-p\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs rename\fR \fB-r\fR \fIsnapshot\fR \fIsnapshot\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs\fR \fBlist\fR [\fB-r\fR|\fB-d\fR \fIdepth\fR] [\fB-Hp\fR] [\fB-o\fR \fIproperty\fR[,\fI\&...\fR]] [ \fB-t\fR \fItype\fR[,\fI\&...\fR]] [ \fB-s\fR \fIproperty\fR ] ... [ \fB-S\fR \fIproperty\fR ] ... [\fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR|\fImountpoint\fR] ...\fR
.ad
.sp .6
.RS 4n
-Lists the property information for the given datasets in tabular form. If a mount point is specified, it can be an absolute pathname or a relative pathname as long as it contains a slash (e.g. \fBzfs list ./\fR). By default, all file systems and volumes are displayed. Snapshots are displayed if the pool's \fBlistsnapshots\fR property is \fBon\fR (the default is \fBoff\fR). When listing hundreds or thousands of snapshots performance can be improved by restricting the output to only the name. In that case, it is recommended to use \fB-o name -s name\fR. The following fields are displayed by default: \fBname, used, available, referenced, mountpoint\fR
+Lists the property information for the given datasets in tabular form. If a mount point is specified, it can be an absolute pathname or a relative pathname starting with "./" (e.g. \fBzfs list ./\fR). By default, all file systems and volumes are displayed. Snapshots are displayed if the pool's \fBlistsnapshots\fR property is \fBon\fR (the default is \fBoff\fR). When listing hundreds or thousands of snapshots performance can be improved by restricting the output to only the name. In that case, it is recommended to use \fB-o name -s name\fR. The following fields are displayed by default: \fBname, used, available, referenced, mountpoint\fR
.sp
.ne 2
-.mk
.na
\fB\fB-H\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-p\fR\fR
.sp .6
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-d\fR \fIdepth\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIproperty\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-s\fR \fIproperty\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-S\fR \fIproperty\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-t\fR \fItype\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs set\fR \fIproperty\fR=\fIvalue\fR[ \fIproperty\fR=\fIvalue\fR]...
\fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR ...\fR
.sp
.ne 2
-.mk .na
\fB\fBzfs get\fR [\fB-r\fR|\fB-d\fR \fIdepth\fR] [\fB-Hp\fR] [\fB-o\fR \fIfield\fR[,...] [\fB-t\fR \fItype\fR[,...]] [\fB-s\fR \fIsource\fR[,...] "\fIall\fR" | \fIproperty\fR[,...] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR ...\fR
.ad
.sp .6
The special value \fBall\fR can be used to display all properties that apply to the given dataset's type (filesystem, volume snapshot, or bookmark).
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-d\fR \fIdepth\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-H\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIfield\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-s\fR \fIsource\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-p\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs inherit\fR [\fB-rS\fR] \fIproperty\fR \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR ...\fR
.ad
Clears the specified property, causing it to be inherited from an ancestor, restored to default if no ancestor has the property set, or with the \fB-S\fR option reverted to the received value if one exists. See the "Properties" section for a listing of default values, and details on which properties can be inherited.
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs upgrade\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs upgrade\fR \fB-v\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs upgrade\fR [\fB-r\fR] [\fB-V\fR \fIversion\fR] [\fB-a\fR | \fIfilesystem\fR]\fR
.ad
In some cases, the file system version and the pool version are interrelated and the pool version must be upgraded before the file system version can be upgraded.
.sp
.ne 2
-.mk
.na
\fB\fB-a\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fIfilesystem\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-V\fR \fIversion\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fBzfs\fR \fBuserspace\fR [\fB-Hinp\fR] [\fB-o\fR \fIfield\fR[,...]]
[\fB-s\fR \fIfield\fR] ...
.sp .6
.RS 4n
Displays space consumed by, and quotas on, each user in the specified
-filesystem or snapshot. This corresponds to the \fBuserused@\fR\fIuser\fR and
-\fBuserquota@\fR\fIuser\fR properties.
+filesystem or snapshot. This corresponds to the \fBuserused@\fR\fIuser\fR, \fBuserobjused@\fR\fIuser\fR,
+\fBuserquota@\fR\fIuser\fR, and \fBuserobjquota@\fR\fIuser\fR properties.
.sp
.ne 2
-.mk
.na
\fB\fB-n\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-H\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-p\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIfield\fR[,...]\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-s\fR \fIfield\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-S\fR \fIfield\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-t\fR \fItype\fR[,...]\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-i\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fBzfs\fR \fBgroupspace\fR [\fB-Hinp\fR] [\fB-o\fR \fIfield\fR[,...]]
[\fB-s\fR \fIfield\fR] ...
.sp
.ne 2
-.mk
.na
\fB\fBzfs mount\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs mount\fR [\fB-vO\fR] [\fB-o\fR \fIoptions\fR] \fB-a\fR | \fIfilesystem\fR\fR
.ad
Mounts \fBZFS\fR file systems. This is invoked automatically as part of the boot process.
.sp
.ne 2
-.mk
.na
\fB\fB-o\fR \fIoptions\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-O\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-v\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-a\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fIfilesystem\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs unmount\fR [\fB-f\fR] \fB-a\fR | \fIfilesystem\fR|\fImountpoint\fR\fR
.ad
Unmounts currently mounted \fBZFS\fR file systems. Invoked automatically as part of the shutdown process.
.sp
.ne 2
-.mk
.na
\fB\fB-f\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-a\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fIfilesystem\fR|\fImountpoint\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs share\fR \fB-a\fR | \fIfilesystem\fR\fR
.ad
Shares available \fBZFS\fR file systems.
.sp
.ne 2
-.mk
.na
\fB\fB-a\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fIfilesystem\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs unshare\fR \fB-a\fR | \fIfilesystem\fR|\fImountpoint\fR\fR
.ad
Unshares currently shared \fBZFS\fR file systems. This is invoked automatically as part of the shutdown process.
.sp
.ne 2
-.mk
.na
\fB\fB-a\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fIfilesystem\fR|\fImountpoint\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs bookmark\fR \fIsnapshot\fR \fIbookmark\fR\fR
.ad
.sp
.ne 2
.na
-\fBzfs send\fR [\fB-DnPpRveL\fR] [\fB-\fR[\fBiI\fR] \fIsnapshot\fR] \fIsnapshot\fR
+\fBzfs send\fR [\fB-DnPpRveLc\fR] [\fB-\fR[\fBiI\fR] \fIsnapshot\fR] \fIsnapshot\fR
.ad
.sp .6
.RS 4n
Creates a stream representation of the (second, if \fB-i\fR is specified) \fIsnapshot\fR, which is written to standard output. The output can be redirected to a file or to a pipe (for example, using \fBssh\fR(1) to send it to a different system with \fBzfs receive\fR). By default, a full stream is generated; specifying \fB-i\fR or \fB-I\fR changes this behavior.
.sp
.ne 2
-.mk
.na
\fB\fB-i\fR \fIsnapshot\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-I\fR \fIsnapshot\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-R\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-D\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-L\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB-e\fR\fR
.ad
\fBembedded_data\fR feature.
.RE
+.sp
+.ne 2
+.na
+\fB\fB-c\fR, \fB--compressed\fR\fR
+.ad
+.sp .6
+.RS 4n
+Generate a more compact stream by using compressed WRITE records for blocks
+which are compressed on disk and in memory (see the \fBcompression\fR property
+for details). If the \fBlz4_compress\fR feature is active on the sending
+system, then the receiving system must have that feature enabled as well. If
+the \fBlarge_blocks\fR feature is enabled on the sending system but the \fB-L\fR
+option is not supplied in conjunction with \fB-c\fR, then the data will be
+decompressed before sending so it can be split into smaller block sizes.
+.RE
+
.sp
.ne 2
.na
.sp
.ne 2
-.mk
.na
\fB\fB-v\fR\fR
.ad
.sp
.ne 2
.na
-\fBzfs send\fR [\fB-eL\fR] [\fB-i\fR \fIsnapshot\fR|\fIbookmark\fR] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR
+\fBzfs send\fR [\fB-Lec\fR] [\fB-i\fR \fIsnapshot\fR|\fIbookmark\fR] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR
.ad
.sp .6
.RS 4n
.sp
.ne 2
.na
-\fB-i\fR \fIsnapshot\fR|\fIbookmark\fR
-.ad
-.sp .6
-.RS 4n
-Generate an incremental send stream. The incremental source must be an earlier
-snapshot in the destination's history. It will commonly be an earlier
-snapshot in the destination's filesystem, in which case it can be
-specified as the last component of the name (the \fB#\fR or \fB@\fR character
-and following).
-.sp
-If the incremental target is a clone, the incremental source can
-be the origin snapshot, or an earlier snapshot in the origin's filesystem,
-or the origin's origin, etc.
-.RE
-
-.sp
-.ne 2
-.mk
-.na
\fB\fB-L\fR\fR
.ad
.sp .6
.sp
.ne 2
-.mk
.na
\fB\fB-e\fR\fR
.ad
\fBembedded_data\fR feature.
.RE
+.sp
+.ne 2
+.na
+\fB\fB-c\fR, \fB--compressed\fR\fR
+.ad
+.sp .6
+.RS 4n
+Generate a more compact stream by using compressed WRITE records for blocks
+which are compressed on disk and in memory (see the \fBcompression\fR property
+for details). If the \fBlz4_compress\fR feature is active on the sending
+system, then the receiving system must have that feature enabled as well. If
+the \fBlarge_blocks\fR feature is enabled on the sending system but the \fB-L\fR
+option is not supplied in conjunction with \fB-c\fR, then the data will be
+decompressed before sending so it can be split into smaller block sizes.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-i\fR \fIsnapshot\fR|\fIbookmark\fR
+.ad
+.sp .6
+.RS 4n
+Generate an incremental send stream. The incremental source must be an earlier snapshot in the destination's history. It will commonly be an earlier snapshot in the destination's filesystem, in which case it can be specified as the last component of the name (the \fB#\fR or \fB@\fR character and following).
+.sp
+If the incremental target is a clone, the incremental source can be the origin snapshot, or an earlier snapshot in the origin's filesystem, or the origin's origin, etc.
+.RE
+
+.RE
+.sp
+.ne 2
+.na
+\fB\fBzfs send\fR [\fB-Penv\fR] \fB-t\fR \fIreceive_resume_token\fR\fR
+.ad
+.sp .6
+.RS 4n
+Creates a send stream which resumes an interrupted receive. The \fIreceive_resume_token\fR is the value of this property on the filesystem or volume that was being received into. See the documentation for \fBzfs receive -s\fR for more details.
+
+.RE
+
.RE
.sp
.ne 2
-.mk
.na
-\fB\fBzfs receive\fR [\fB-vnFu\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR\fR
+\fB\fBzfs receive\fR [\fB-Fnsuv\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR\fR
.ad
.br
.na
-\fB\fBzfs receive\fR [\fB-vnFu\fR] [\fB-d\fR|\fB-e\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR\fR
+\fB\fBzfs receive\fR [\fB-Fnsuv\fR] [\fB-d\fR|\fB-e\fR] [\fB-o origin\fR=\fIsnapshot\fR] \fIfilesystem\fR\fR
.ad
.sp .6
.RS 4n
If the argument is a snapshot name, the specified \fIsnapshot\fR is created. If the argument is a file system or volume name, a snapshot with the same name as the sent snapshot is created within the specified \fIfilesystem\fR or \fIvolume\fR. If neither of the \fB-d\fR or \fB-e\fR options are specified, the provided target snapshot name is used exactly as provided.
.sp
The \fB-d\fR and \fB-e\fR options cause the file system name of the target snapshot to be determined by appending a portion of the sent snapshot's name to the specified target \fIfilesystem\fR. If the \fB-d\fR option is specified, all but the first element of the sent snapshot's file system path (usually the pool name) is used and any required intermediate file systems within the specified one are created. If the \fB-e\fR option is specified, then only the last element of the sent snapshot's file system name (i.e. the name of the source file system itself) is used as the target file system name.
+.sp
+.ne 2
+.na
+\fB\fB-F\fR\fR
+.ad
+.sp .6
+.RS 4n
+Force a rollback of the file system to the most recent snapshot before performing the receive operation. If receiving an incremental replication stream (for example, one generated by \fBzfs send -R -[iI]\fR), destroy snapshots and file systems that do not exist on the sending side.
+.RE
+
.sp
.ne 2
.mk
.na
-\fB\fB-d\fR\fR
+\fB\fB-n\fR\fR
.ad
.sp .6
.RS 4n
-Discard the first element of the sent snapshot's file system name, using the remaining elements to determine the name of the target file system for the new snapshot as described in the paragraph above.
+Do not actually receive the stream. This can be useful in conjunction with the \fB-v\fR option to verify the name the receive operation would use.
.RE
.sp
.ne 2
.na
-\fB\fB-e\fR\fR
+\fB\fB-s\fR\fR
.ad
.sp .6
.RS 4n
-Discard all but the last element of the sent snapshot's file system name, using that element to determine the name of the target file system for the new snapshot as described in the paragraph above.
+If the receive is interrupted, save the partially received state, rather than deleting it. Interruption may be due to premature termination of the stream (e.g. due to network failure or failure of the remote system if the stream is being read over a network connection), a checksum error in the stream, termination of the \fBzfs receive\fR process, or unclean shutdown of the system.
+.sp
+The receive can be resumed with a stream generated by \fBzfs send -t\fR token, where the \fItoken\fR is the value of the \fBreceive_resume_token\fR property of the filesystem or volume which is received into.
+.sp
+To use this flag, the storage pool must have the \fBextensible_dataset\fR feature enabled. See \fBzpool-features\fR(5) for details on ZFS feature flags.
.RE
.sp
.ne 2
-.mk
.na
\fB\fB-u\fR\fR
.ad
.sp
.ne 2
-.mk
.na
-\fB\fB-n\fR\fR
+\fB\fB-d\fR\fR
.ad
.sp .6
.RS 4n
-Do not actually receive the stream. This can be useful in conjunction with the \fB-v\fR option to verify the name the receive operation would use.
+Discard the first element of the sent snapshot's file system name, using the remaining elements to determine the name of the target file system for the new snapshot as described in the paragraph above.
.RE
.sp
.ne 2
-.mk
.na
-\fB\fB-o\fR \fBorigin\fR=\fIsnapshot\fR
+\fB\fB-e\fR\fR
.ad
.sp .6
.RS 4n
-Forces the stream to be received as a clone of the given snapshot. This is only valid if the stream is an incremental stream whose source is the same as the provided origin.
+Discard all but the last element of the sent snapshot's file system name, using that element to determine the name of the target file system for the new snapshot as described in the paragraph above.
.RE
.sp
.ne 2
-.mk
.na
-\fB\fB-F\fR\fR
+\fB\fB-o\fR \fBorigin\fR=\fIsnapshot\fR
.ad
.sp .6
.RS 4n
-Force a rollback of the file system to the most recent snapshot before performing the receive operation. If receiving an incremental replication stream (for example, one generated by \fBzfs send -R -[iI]\fR), destroy snapshots and file systems that do not exist on the sending side.
+Forces the stream to be received as a clone of the given snapshot.
+If the stream is a full send stream, this will create the filesystem
+described by the stream as a clone of the specified snapshot. Which
+snapshot was specified will not affect the success or failure of the
+receive, as long as the snapshot does exist. If the stream is an
+incremental send stream, all the normal verification will be performed.
.RE
.RE
.sp
.ne 2
-.mk
+.na
+\fB\fBzfs receive\fR [\fB-A\fR] \fIfilesystem\fR|\fIvolume\fR
+.ad
+.sp .6
+.RS 4n
+Abort an interrupted \fBzfs receive \fB-s\fR\fR, deleting its saved partially received state.
+
+.RE
+
+.sp
+.ne 2
.na
\fB\fBzfs allow\fR \fIfilesystem\fR | \fIvolume\fR\fR
.ad
.sp .6
.RS 4n
Displays permissions that have been delegated on the specified filesystem or volume. See the other forms of \fBzfs allow\fR for more information.
+.sp
+Delegations are supported under Linux with the exception of \fBmount\fR,
+\fBunmount\fR, \fBmountpoint\fR, \fBcanmount\fR, \fBrename\fR, and \fBshare\fR.
+These permissions cannot be delegated because the Linux \fBmount(8)\fR command
+restricts modifications of the global namespace to the root user.
.RE
.sp
.ne 2
-.mk
.na
\fB\fBzfs allow\fR [\fB-ldug\fR] "\fIeveryone\fR"|\fIuser\fR|\fIgroup\fR[,...] \fIperm\fR|@\fIsetname\fR[,...] \fIfilesystem\fR| \fIvolume\fR\fR
.ad
Delegates \fBZFS\fR administration permission for the file systems to non-privileged users.
.sp
.ne 2
-.mk
.na
\fB[\fB-ug\fR] "\fIeveryone\fR"|\fIuser\fR|\fIgroup\fR[,...]\fR
.ad
.sp
.ne 2
-.mk
.na
\fB[\fB-e\fR] \fIperm\fR|@\fIsetname\fR[,...]\fR
.ad
.sp
.ne 2
-.mk
.na
\fB[\fB-ld\fR] \fIfilesystem\fR|\fIvolume\fR\fR
.ad
share subcommand Allows sharing file systems over NFS or SMB
protocols
snapshot subcommand Must also have the 'mount' ability
+groupobjquota other Allows accessing any groupobjquota@... property
groupquota other Allows accessing any groupquota@... property
+groupobjused other Allows reading any groupobjused@... property
groupused other Allows reading any groupused@... property
userprop other Allows changing any user property
+userobjquota other Allows accessing any userobjquota@... property
userquota other Allows accessing any userquota@... property
+userobjused other Allows reading any userobjused@... property
userused other Allows reading any userused@... property
acltype property
.sp
.ne 2
-.mk
.na
\fB\fBzfs allow\fR \fB-c\fR \fIperm\fR|@\fIsetname\fR[,...] \fIfilesystem\fR|\fIvolume\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs allow\fR \fB-s\fR @\fIsetname\fR \fIperm\fR|@\fIsetname\fR[,...] \fIfilesystem\fR|\fIvolume\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs unallow\fR [\fB-rldug\fR] "\fIeveryone\fR"|\fIuser\fR|\fIgroup\fR[,...] [\fIperm\fR|@\fIsetname\fR[, ...]] \fIfilesystem\fR|\fIvolume\fR\fR
.ad
Removes permissions that were granted with the \fBzfs allow\fR command. No permissions are explicitly denied, so other permissions granted are still in effect. For example, if the permission is granted by an ancestor. If no permissions are specified, then all permissions for the specified \fIuser\fR, \fIgroup\fR, or \fIeveryone\fR are removed. Specifying "everyone" (or using the \fB-e\fR option) only removes the permissions that were granted to "everyone", not all permissions for every user and group. See the \fBzfs allow\fR command for a description of the \fB-ldugec\fR options.
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs unallow\fR [\fB-r\fR] \fB-s\fR @\fIsetname\fR [\fIperm\fR|@\fIsetname\fR[,...]]\fR \fB\fIfilesystem\fR|\fIvolume\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs hold\fR [\fB-r\fR] \fItag\fR \fIsnapshot\fR...\fR
.ad
If a hold exists on a snapshot, attempts to destroy that snapshot by using the \fBzfs destroy\fR command return \fBEBUSY\fR.
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs holds\fR [\fB-r\fR] \fIsnapshot\fR...\fR
.ad
Lists all existing user references for the given snapshot or snapshots.
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs release\fR [\fB-r\fR] \fItag\fR \fIsnapshot\fR...\fR
.ad
Removes a single reference, named with the \fItag\fR argument, from the specified snapshot or snapshots. The tag must already exist for each snapshot.
.sp
.ne 2
-.mk
.na
\fB\fB-r\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fBzfs diff\fR [\fB-FHt\fR] \fIsnapshot\fR \fIsnapshot|filesystem\fR
.ad
.LP
\fBExample 17 \fRDelegating ZFS Administration Permissions on a ZFS Dataset
.sp
-.LP
-This is not currently supported on Linux.
-.sp
The following example shows how to set permissions so that user \fBcindys\fR can create, destroy, mount, and take snapshots on \fBtank/cindys\fR. The permissions on \fBtank/cindys\fR are also displayed.
.sp
The following exit values are returned:
.sp
.ne 2
-.mk
.na
\fB\fB0\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB1\fR\fR
.ad
.sp
.ne 2
-.mk
.na
\fB\fB2\fR\fR
.ad
.SH SEE ALSO
.LP
-\fBchmod\fR(2), \fBfsync\fR(2), \fBgzip\fR(1), \fBls\fR(1), \fBmount\fR(8), \fBopen\fR(2), \fBreaddir\fR(3), \fBssh\fR(1), \fBstat\fR(2), \fBwrite\fR(2), \fBzpool\fR(8)
+\fBchmod\fR(2), \fBfsync\fR(2), \fBgzip\fR(1), \fBls\fR(1), \fBmount\fR(8), \fBopen\fR(2), \fBreaddir\fR(3), \fBssh\fR(1), \fBstat\fR(2), \fBwrite\fR(2), \fBzpool\fR(8), \fBzfs-module-parameters\fR(5)
.sp
On Solaris: \fBdfstab(4)\fR, \fBiscsitadm(1M)\fR, \fBmount(1M)\fR, \fBshare(1M)\fR, \fBsharemgr(1M)\fR, \fBunshare(1M)\fR
projects / mirror_zfs.git / blobdiff