Не монтируется диск

[root@centos1c etc]# ls -l /dev/disk/by-uuid
total 0
lrwxrwxrwx 1 root root 10 Apr  4 19:24 16e99af2-9229-415a-8aa8-8ab62930c60d -> ../../dm-5
lrwxrwxrwx 1 root root 10 Apr  4 19:24 2471e1b9-514c-4cf4-a3ce-825e10fb25e4 -> ../../dm-1
lrwxrwxrwx 1 root root  9 Apr  4 19:24 d960c53d-7554-4971-8c4d-b4368c6577fc -> ../../sdc
lrwxrwxrwx 1 root root 10 Apr  4 19:24 e402b364-f54b-4e05-86be-1ff74df33e51 -> ../../dm-4
lrwxrwxrwx 1 root root 10 Apr  4 19:24 e413faa1-3a7e-499b-8a84-ae81d229e771 -> ../../dm-3

[root@centos1c etc]# file -s /dev/sdc
/dev/sdc: Linux rev 1.0 ext3 filesystem data (large files)

[root@centos1c etc]# lsblk
NAME                                                               MAJ:MIN RM                                                                                                                                  SIZE RO TYPE   MOUNTPOINT
sdb                                                                  8:16   0 46                                                                                                                               5.8G  0 disk
└─ddf1_4c5349202020202080862925000000004711471100001450 (dm-0)     253:0    0 46                                                                                                                               4.7G  0 dmraid
  ├─ddf1_4c5349202020202080862925000000004711471100001450p1 (dm-1) 253:1    0                                                                                                                                  500M  0 part   /boot
  └─ddf1_4c5349202020202080862925000000004711471100001450p2 (dm-2) 253:2    0 46                                                                                                                               4.2G  0 part
    ├─vg_centos1c-lv_root (dm-3)                                   253:3    0                                                                                                                                   50G  0 lvm    /
    ├─vg_centos1c-lv_swap (dm-4)                                   253:4    0                                                                                                                                  7.5G  0 lvm    [SWAP]
    └─vg_centos1c-lv_home (dm-5)                                   253:5    0 40                                                                                                                               6.7G  0 lvm    /home
sda                                                                  8:0    0 46                                                                                                                               5.8G  0 disk
└─ddf1_4c5349202020202080862925000000004711471100001450 (dm-0)     253:0    0 46                                                                                                                               4.7G  0 dmraid
  ├─ddf1_4c5349202020202080862925000000004711471100001450p1 (dm-1) 253:1    0                                                                                                                                  500M  0 part   /boot
  └─ddf1_4c5349202020202080862925000000004711471100001450p2 (dm-2) 253:2    0 46                                                                                                                               4.2G  0 part
    ├─vg_centos1c-lv_root (dm-3)                                   253:3    0                                                                                                                                   50G  0 lvm    /
    ├─vg_centos1c-lv_swap (dm-4)                                   253:4    0                                                                                                                                  7.5G  0 lvm    [SWAP]
    └─vg_centos1c-lv_home (dm-5)                                   253:5    0 40                                                                                                                               6.7G  0 lvm    /home
sdc                                                                  8:32   0                                                                                                                                  1.8T  0 disk
[root@centos1c etc]#

Пишу в fstab
UUID=d960c53d-7554-4971-8c4d-b4368c6577fc /dev/sdc /backup ext3 rw 0 0

диск монтируется по команде:
mount /dev/sdc /backup
а при перезагрузке не появляется