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enable dirty-bitmap incremental backups for PBS

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The $total != $transferred check is changed to a log, as QEMU reports
only actually transferred bytes, and it is indeed correct for
incremental backups to have differing values from $total.

The 'incremental' parameter is always set, QEMU will figure out if it should
re-use an existing bitmap or create a new one on its own.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
This commit is contained in:
Stefan Reiter 2020-06-25 12:23:34 +02:00 committed by Dietmar Maurer
parent fc701af740
commit 69e6289470
1 changed files with 3 additions and 1 deletions
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4
PVE/VZDump/QemuServer.pm
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@ -7,6 +7,7 @@ use File::Basename;
use File::Path;
use IO::File;
use IPC::Open3;
use JSON;
use PVE::Cluster qw(cfs_read_file);
use PVE::INotify;
@ -295,7 +296,7 @@ my $query_backup_status_loop = sub {
die (($status->{errmsg} || "unknown error") . "\n") if $res eq 'error';
die "got unexpected status '$res'\n";
} elsif ($total != $transferred) {
die "got wrong number of transfered bytes ($total != $transferred)\n";
$self->loginfo("backup was done incrementally");
}
last;
}
@ -396,6 +397,7 @@ sub archive_pbs {
password => $password,
devlist => $devlist,
'config-file' => $conffile,
incremental => JSON::true,
};
$params->{fingerprint} = $fingerprint if defined($fingerprint);
$params->{'firewall-file'} = $firewall if -e $firewall;