# this is running non-interactively), so let's just drop them on
# the floor for now.
if os.fork() == 0:
- call(["/bin/dd", "if=/dev/zero", "of=%s" % new_lvpath])
+ call(["/usr/bin/ionice", "-c", "3", "/bin/dd", "if=/dev/zero", "of=%s" % new_lvpath])
call(["/sbin/lvchange", "-a", "n", new_lvpath])
call(["/sbin/lvchange", "-a", "ey", new_lvpath])
call(["/sbin/lvremove", "--force", new_lvpath])