tools/lvconvert.c | 5 +++++

 1 file changed, 5 insertions(+)

diff --git a/tools/lvconvert.c b/tools/lvconvert.c

index cd9a3e8..aa2dca7 100644

--- a/tools/lvconvert.c

+++ b/tools/lvconvert.c

@@ -5351,6 +5351,11 @@ static int _writecache_zero(struct cmd_context *cmd, struct logical_volume *lv)

 	};

 	int ret;

+	if (!(lv->status & LVM_WRITE)) {

+		log_error("Cannot initialize readonly LV %s", display_lvname(lv));

+		return 0;

+	}

+

 	if (test_mode())

 		return 1;