ok(run_script($cmd), "xcpdb -R$R");
my @new_shards = grep(m!/\d+\z!, glob("$ibx->{inboxdir}/xap*/*"));
is(scalar(@new_shards), $R, 'resharded to two shards');
ok(run_script($cmd), "xcpdb -R$R");
my @new_shards = grep(m!/\d+\z!, glob("$ibx->{inboxdir}/xap*/*"));
is(scalar(@new_shards), $R, 'resharded to two shards');