1.\" 2.\" CDDL HEADER START 3.\" 4.\" The contents of this file are subject to the terms of the 5.\" Common Development and Distribution License (the "License"). 6.\" You may not use this file except in compliance with the License. 7.\" 8.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9.\" or http://www.opensolaris.org/os/licensing. 10.\" See the License for the specific language governing permissions 11.\" and limitations under the License. 12.\" 13.\" When distributing Covered Code, include this CDDL HEADER in each 14.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15.\" If applicable, add the following below this CDDL HEADER, with the 16.\" fields enclosed by brackets "[]" replaced with your own identifying 17.\" information: Portions Copyright [yyyy] [name of copyright owner] 18.\" 19.\" CDDL HEADER END 20.\" 21.\" 22.\" Copyright (c) 2020 by Delphix. All rights reserved. 23.Dd March 25, 2020 24.Dt ZSTREAM 8 25.Os 26.Sh NAME 27.Nm zstream 28.Nd manipulate zfs send streams 29.Sh SYNOPSIS 30.Nm 31.Cm dump 32.Op Fl Cvd 33.Op Ar file 34.Nm 35.Cm redup 36.Op Fl v 37.Ar file 38.Nm 39.Cm token 40.Ar resume_token 41.Sh DESCRIPTION 42.sp 43.LP 44The 45.Sy zstream 46utility manipulates zfs send streams, which are the output of the 47.Sy zfs send 48command. 49.Bl -tag -width "" 50.It Xo 51.Nm 52.Cm dump 53.Op Fl Cvd 54.Op Ar file 55.Xc 56Print information about the specified send stream, including headers and 57record counts. 58The send stream may either be in the specified 59.Ar file , 60or provided on standard input. 61.Bl -tag -width "-D" 62.It Fl C 63Suppress the validation of checksums. 64.It Fl v 65Verbose. 66Print metadata for each record. 67.It Fl d 68Dump data contained in each record. 69Implies verbose. 70.El 71.It Xo 72.Nm 73.Cm token 74.Ar resume_token 75.Xc 76Dumps zfs resume token information 77.It Xo 78.Nm 79.Cm redup 80.Op Fl v 81.Ar file 82.Xc 83Deduplicated send streams can be generated by using the 84.Nm zfs Cm send Fl D 85command. 86The ability to send deduplicated send streams is deprecated. 87In the future, the ability to receive a deduplicated send stream with 88.Nm zfs Cm receive 89will be removed. 90However, deduplicated send streams can still be received by utilizing 91.Nm zstream Cm redup . 92.Pp 93The 94.Nm zstream Cm redup 95command is provided a 96.Ar file 97containing a deduplicated send stream, and outputs an equivalent 98non-deduplicated send stream on standard output. 99Therefore, a deduplicated send stream can be received by running: 100.Bd -literal 101# zstream redup DEDUP_STREAM_FILE | zfs receive ... 102.Ed 103.Bl -tag -width "-D" 104.It Fl v 105Verbose. 106Print summary of converted records. 107.Sh SEE ALSO 108.Xr zfs 8 , 109.Xr zfs-send 8 , 110.Xr zfs-receive 8 111