Скиньте выводы команды от рута
попробую...
[reja@marso ~]$ su
Password:
[root@marso ~]# cat /etc/sysconfig/grub2
# Automaticaly update grub on device
#GRUB_AUTOUPDATE_DEVICE='/dev/sda '
# Use '--force' option for grub-install
#GRUB_AUTOUPDATE_FORCE='no'
# Automaticaly update config file on kernel install/removal
# default: true
GRUB_AUTOUPDATE_CFG=true
# Automaticaly updated config filename
# default: /boot/grub/grub.cfg
GRUB_AUTOUPDATE_CFGNAME=/boot/grub/grub.cfg
# How to handle /boot/vmlinuz* symlinks:
# 'yes','true' - include in config
# 'no','false' - skip in config
# 'default' - include only /boot/vmlinuz in config
# default: default
GRUB_VMLINUZ_SYMLINKS=default
# Whether to add failsafe entries:
# 'yes','true' - add for all kernels
# 'no','false' - skip for all kernels
# 'default' - add failsafe entry only for /boot/vmlinuz
# default: default
GRUB_VMLINUZ_FAILSAFE=default
# Preload specific grub modules
#GRUB_PRELOAD_MODULES=''
# Set normal timeout
#GRUB_TIMEOUT=5
# Set hidden timeout (do not show menu)
#GRUB_HIDDEN_TIMEOUT=3
# Show timeout counter when hidden
#GRUB_HIDDEN_TIMEOUT_QUIET=TRUE
GRUB_CMDLINE_LINUX_DEFAULT=' quiet=1 resume=/dev/disk/by-uuid/df5a37f1-9e9e-4738-b949-d17a40651bf9 panic=30 splash'
GRUB_CMDLINE_LINUX='failsafe vga=normal'
GRUB_TERMINAL_OUTPUT='gfxterm'
GRUB_GFXMODE='800x600'
GRUB_DEFAULT='saved'
GRUB_SAVEDEFAULT=true
GRUB_WALLPAPER=/usr/share/plymouth/themes/slinux/grub.jpg
GRUB_COLOR_NORMAL=dark-gray/white
GRUB_COLOR_HIGHLIGHT=black/white
GRUB_THEME=/boot/grub/themes/slinux/theme.txt
GRUB_AUTOUPDATE_DEVICE='/dev/sda '
GRUB_AUTOUPDATE_FORCE='no'
..............
[root@marso ~]# fdisk -l
bash: fdisk: команда не найдена
..............
[root@marso ~]# cat /etc/fstab
proc /proc proc nosuid,noexec,gid=proc 0 0
devpts /dev/pts devpts nosuid,noexec,gid=tty,mode=620 0 0
tmpfs /tmp tmpfs nosuid 0 0
UUID=937de34c-1df6-425a-b956-ef0feb7e67bb / ext4 relatime 1 1
UUID=a47efd80-8109-4809-b279-e0246dabecaf /home ext4 nosuid,relatime 1 2
UUID=df5a37f1-9e9e-4738-b949-d17a40651bf9 swap swap defaults 0 0
UUID=220C08E90C08BA35 /mnt/sda1 ntfs-3g locale=ru_RU.UTF-8,dmask=0,fmask=0111 0 0
UUID=58adc596-942a-4f9a-94ab-1aeedd9c2f0c /mnt/sda6 ext3 defaults 0 0
UUID=BEB42E1AB42DD5A5 /mnt/sda5 ntfs-3g locale=ru_RU.UTF-8,dmask=0,fmask=0111 0 0
/dev/sr0 /media/cdrom udf,iso9660 ro,noauto,user,utf8 0 0
