This time I tried the installation on my own laptop, again the same problem. I also check out what the uuid string points to.. and it's correct it points to the right device in my machine, which is /dev/sda6. Have a look here:
well, this one says that my / root file system and as you said the directory where /boot is located is /dev/sda6, now let's jump to /dev/disk/by-uuid/ n c the string:
well, it's right, the bootloader shows the right string which is a43xxxx. Though I wonder why when I load it in recovery mode, it prompts an alert n says:
Code:
ALET! root=uuid=a43xxxxxx does not exists!!
this is what is inside /boot/grub/grub.cfg
Code:
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
set locale_dir=($root)/boot/grub/locale
set lang=en_US
insmod gettext
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
if [ ${recordfail} != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "$linux_gfx_mode" != "text" ]; then load_video; fi
menuentry 'Ubuntu, with Linux 3.0.22-kernel-0-rt37' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
linux /boot/vmlinuz-3.0.22-kernel-0-rt37 root=UUID=a43da646-97b6-4e71-b0fa-bb27d0d52a4b ro quiet splash vt.handoff=7
initrd /boot/initrd.img-3.0.22-kernel-0-rt37
}
menuentry 'Ubuntu, with Linux 3.0.22-kernel-0-rt37 (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
echo 'Loading Linux 3.0.22-kernel-0-rt37 ...'
linux /boot/vmlinuz-3.0.22-kernel-0-rt37 root=UUID=a43da646-97b6-4e71-b0fa-bb27d0d52a4b ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.0.22-kernel-0-rt37
}
submenu "Previous Linux versions" {
menuentry 'Ubuntu, with Linux 2.6.38-8-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=a43da646-97b6-4e71-b0fa-bb27d0d52a4b ro quiet splash vt.handoff=7
initrd /boot/initrd.img-2.6.38-8-generic
}
menuentry 'Ubuntu, with Linux 2.6.38-8-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
echo 'Loading Linux 2.6.38-8-generic ...'
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=a43da646-97b6-4e71-b0fa-bb27d0d52a4b ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.38-8-generic
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root a43da646-97b6-4e71-b0fa-bb27d0d52a4b
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sda1)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root FED00908D008C93B
chainloader +1
}
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
if I install the kernel having the same options selected as ubuntu-generic-pae kernel installed from DVD, it works fine. But when i try to load the customized one i face this problem. My guess is that i forget to select some important options required to load the root file system or ... i don't know. bcoz even if that was the case, the Alert file system does not exist message is relevant to it.
Does anyone know if there is free software that can keep 2 filesystem on remote machines , synced.
This will be part of our Disaster Recovery to keep one machine off site , which will take over should the need arise..
Thanks (6 Replies)
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Hi all,
I tried setting up RAID between 2 partitions and it was success.
If I write some things on /dev/md0, both partition got affected.
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Hi,
first of all I'm 110% newbie, sorry for any mistake if I made it.
In my country there are no normal or active linux forums, so i found this forum.
Ok, that's for begining, but not for may real problem.
---------------------------------------------------
I am system administrator... (4 Replies)
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server stopped here, we are suspecting server crash, need install new OS.
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Rajesh (0 Replies)
dear experts linux
i am using RHEL 5.5 run on a physical server.
i am front of a big trouble, the Rhel can't run correctly , it show me this error message in black screen:
reading all physical volumes. this my take a while ..
found volume group "VolGroup00" using metadata type lvm2
9... (1 Reply)
03-08-2012