Save fail test use a RO loop FS instead of chattr +i.
Save fail test use a RO loop FS instead of chattr +i.

chattr +i was cleaner, but didn't work in all environment,
for some sad, unknown reason :(

leosac/leosac,leosac/leosac,islog/leosac,islog/leosac,leosac/leosac,islog/leosac