Simulate disk errors, make filesystem go readonly
Maybe just SysRq+U (force remount all filesystems readonly) will be enough for the test?
If keyboard is not available, it can be done with echo u > /proc/sysrq-trigger
Maybe just SysRq+U (force remount all filesystems readonly) will be enough for the test?
If keyboard is not available, it can be done with echo u > /proc/sysrq-trigger