111 lines
2.5 KiB
Groff
111 lines
2.5 KiB
Groff
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.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\"
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.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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.\" or http://www.opensolaris.org/os/licensing.
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\"
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.\" When distributing Covered Code, include this CDDL HEADER in each
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.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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.\" If applicable, add the following below this CDDL HEADER, with the
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.\" fields enclosed by brackets "[]" replaced with your own identifying
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\"
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.\" CDDL HEADER END
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.\"
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.\"
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.\" Copyright (c) 2020 by Delphix. All rights reserved.
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.Dd March 25, 2020
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.Dt ZSTREAM 8
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.Os
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.Sh NAME
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.Nm zstream
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.Nd manipulate zfs send streams
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.Sh SYNOPSIS
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.Nm
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.Cm dump
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.Op Fl Cvd
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.Op Ar file
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.Nm
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.Cm redup
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.Op Fl v
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.Ar file
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.Nm
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.Cm token
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.Ar resume_token
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.Sh DESCRIPTION
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.sp
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.LP
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The
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.Sy zstream
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utility manipulates zfs send streams, which are the output of the
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.Sy zfs send
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command.
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.Bl -tag -width ""
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.It Xo
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.Nm
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.Cm dump
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.Op Fl Cvd
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.Op Ar file
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.Xc
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Print information about the specified send stream, including headers and
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record counts.
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The send stream may either be in the specified
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.Ar file ,
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or provided on standard input.
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.Bl -tag -width "-D"
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.It Fl C
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Suppress the validation of checksums.
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.It Fl v
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Verbose.
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Print metadata for each record.
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.It Fl d
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Dump data contained in each record.
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Implies verbose.
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.El
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.It Xo
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.Nm
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.Cm token
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.Ar resume_token
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.Xc
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Dumps zfs resume token information
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.It Xo
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.Nm
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.Cm redup
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.Op Fl v
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.Ar file
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.Xc
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Deduplicated send streams can be generated by using the
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.Nm zfs Cm send Fl D
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command.
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The ability to send deduplicated send streams is deprecated.
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In the future, the ability to receive a deduplicated send stream with
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.Nm zfs Cm receive
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will be removed.
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However, deduplicated send streams can still be received by utilizing
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.Nm zstream Cm redup .
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.Pp
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The
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.Nm zstream Cm redup
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command is provided a
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.Ar file
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containing a deduplicated send stream, and outputs an equivalent
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non-deduplicated send stream on standard output.
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Therefore, a deduplicated send stream can be received by running:
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.Bd -literal
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# zstream redup DEDUP_STREAM_FILE | zfs receive ...
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.Ed
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.Bl -tag -width "-D"
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.It Fl v
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Verbose.
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Print summary of converted records.
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.Sh SEE ALSO
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.Xr zfs 8 ,
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.Xr zfs-send 8 ,
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.Xr zfs-receive 8
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