[root@server /]# mkdir /backup/testing
mkdir: cannot create directory `/backup/testing': Read-only file system
	
	
	
		
What's wrong?
				
			mkdir: cannot create directory `/backup/testing': Read-only file system
		Code:
	
	[root@server /]# cat /etc/fstab
LABEL=/                 /                       ext3    defaults,usrquota,grpquota      1 1
LABEL=/backup           /backup                 ext3    defaults        1 2
LABEL=/boot             /boot                   ext3    defaults        1 2
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
LABEL=SWAP-sda2         swap                    swap    defaults        0 0
	What's wrong?