Proxmox/pve-zsync
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close #1824: add 'compressed' option enabling -c and -L for send

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If one of the features lz4_compress, zstd_compress or large_blocks is
actively used/required by the source dataset, but not enabled on the
destination, zfs send/recv will fail and recommend upgrading the pool.

It's not required that the target dataset is also compressed.
Specifying '--properties' to have the target inherit the compression
property even works during later syncs (but pre-existing data won't be
recompressed automatically then).

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
This commit is contained in:
Fabian Ebner 2022-05-10 13:19:15 +02:00 committed by Thomas Lamprecht
parent aaa924ea55
commit 462a6f8104
1 changed files with 16 additions and 0 deletions
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pve-zsync
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@ -252,6 +252,7 @@ sub parse_argv {
source_user => undef,
dest_user => undef,
prepend_storage_id => undef,
compressed => undef,
properties => undef,
dest_config_path => undef,
};
@ -270,6 +271,7 @@ sub parse_argv {
'source-user=s' => \$param->{source_user},
'dest-user=s' => \$param->{dest_user},
'prepend-storage-id' => \$param->{prepend_storage_id},
'compressed' => \$param->{compressed},
'properties' => \$param->{properties},
'dest-config-path=s' => \$param->{dest_config_path},
);
@ -343,6 +345,7 @@ sub param_to_job {
$job->{source_user} = $param->{source_user};
$job->{dest_user} = $param->{dest_user};
$job->{prepend_storage_id} = !!$param->{prepend_storage_id};
$job->{compressed} = !!$param->{compressed};
$job->{properties} = !!$param->{properties};
$job->{dest_config_path} = $param->{dest_config_path} if $param->{dest_config_path};
@ -470,6 +473,7 @@ sub format_job {
$text .= " --source-user $job->{source_user}";
$text .= " --dest-user $job->{dest_user}";
$text .= " --prepend-storage-id" if $job->{prepend_storage_id};
$text .= " --compressed" if $job->{compressed};
$text .= " --properties" if $job->{properties};
$text .= " --dest-config-path $job->{dest_config_path}" if $job->{dest_config_path};
$text .= "\n";
@ -1028,6 +1032,8 @@ sub send_image {
push @$cmd, 'ssh', '-o', 'BatchMode=yes', "$param->{source_user}\@$source->{ip}", '--' if $source->{ip};
push @$cmd, 'zfs', 'send';
push @$cmd, '-L', if $param->{compressed}; # no effect if dataset never had large recordsize
push @$cmd, '-c', if $param->{compressed};
push @$cmd, '-p', if $param->{properties};
push @$cmd, '-v' if $param->{verbose};
@ -1190,6 +1196,11 @@ $PROGNAME create --dest <string> --source <string> [OPTIONS]
--source-user string
The (ssh) user-name on the source target, root by default
--compressed
If specified, send data without decompressing first. If features lz4_compress,
zstd_compress or large_blocks are in use by the source, they need to be enabled on
the target as well.
--properties
If specified, include the dataset's properties in the stream.
@ -1234,6 +1245,11 @@ $PROGNAME sync --dest <string> --source <string> [OPTIONS]\n
--verbose
If specified, print out the sync progress.
--compressed
If specified, send data without decompressing first. If features lz4_compress,
zstd_compress or large_blocks are in use by the source, they need to be enabled on
the target as well.
--properties
If specified, include the dataset's properties in the stream.