dual boot test

bruce badouglas at gmail.com
Fri Dec 27 20:05:09 UTC 2013 

update::

forgot to list the Display/Device page from the GUI/Install OS process

LVM Volume Groups
VolGroup     237972
lv2_apps      5000   /apps2
lv2_backup  5000   /backup2
lv2_home    5000   /home2
lv2_root      10000  /
lv_apps      10000  /apps
lv_backup   10000  /backup
lv_home     10000   /home
lv_root        51200  /
lv_swap      3824
free           127948

Hard Drive

sda
   sda1  500  /boot   ext4
   sda2 237974  VolGroup   physical volume (LVM)




On Fri, Dec 27, 2013 at 2:34 PM, bruce <badouglas at gmail.com> wrote:
> Hi - I know I should probably post to centos, but I'm testing this
> with centos, and then with fedora.
>
> I'm trying to basically do a dual boot test, that will allow me to
> dual boot into 2 different versions of centos, although, in this case,
> I'm using the centos 6.5 image.
>
> I went through the process that I've found from different
> sites/articles, in order to set up the 2 OS installs.
>
> I can boot into the 1st OS. I have screwed something up, as I'm not
> able to boot into the 2nd OS.
>
> I don't know if I screwed something up during the Install/Creation
> process via the GUI, or if I've screwed something up during the
> grub.conf modifications.
>
> Any help/pointers would be greatly appreciated.
>
> Thanks
>
> -------------------------------------
>
>
> The system setup:
>  -lenovo laptop
>  -250G Drive
>  -Centos 6.5
>
> Steps:
>  -Went through the initial setup for the OS1
>  -setup the root/backup/home/swap
> OS2 - master
> root     /              50
> boot
> home  /home       10
> apps  /apps         10
> backup /backup    5
>
> set the boot to be on sda1 - as 500M
>
> I then went back and installed the 2nd install of the Centos OS
>  using
> lv2_root       root       /              10
> boot
> lv2_home     home    /home2      5
> lv2_apps      apps     /apps2       5
> lv2_backup  backup  /backup2    5
>
> the boot was set to be the "/" on the sda so  it's the same as the 1st..
> I also didn't install the bootloader, which was the option on the
> boot/install page of the GUI for the install process
>
> I then modified the grub.conf page
>
> #boot=/dev/sda
> default=0
> timeout=5
> splashimage=(hd0,0)/grub/splash.xpm.gz
>
> hidemenu
> title Centos (2.6.32-431.e16.x86_64)
>     root (hd0,0)
>     kernel /vmlinux-2.6.32-431.e16.x86_64 ro
> root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD
> rd_LVM_LV=VolGroup/lv_swap SYSFONT=latarcyrheb-sun16
> rd_LVM_LV=VolGroup/lv_root  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb
> quiet
>   initrd /initramfs-2.6.32-431.e16.x86_64.img
>
> title Centos2 (2.6.32-431.e16.x86_64)
>     root (hd0,1)
>     kernel /vmlinux-2.6.32-431.e16.x86_64 ro root=/dev/sda2
>   initrd /initramfs-2.6.32-431.e16.x86_64.img
>
> ====================================
>
> the fdisk -l for the system is ::
> [root at localhost ~]# fdisk -l
>
> Disk /dev/sda: 250.1 GB, 250059350016 bytes
> 255 heads, 63 sectors/track, 30401 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x77e3ed41
>
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          64      512000   83  Linux
> Partition 1 does not end on cylinder boundary.
> /dev/sda2              64       30402   243685376   8e  Linux LVM
> Partition 2 does not end on cylinder boundary.
>
> Disk /dev/mapper/VolGroup-lv_root: 53.7 GB, 53687091200 bytes
> 255 heads, 63 sectors/track, 6527 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_swap: 4009 MB, 4009754624 bytes
> 255 heads, 63 sectors/track, 487 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_home: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_backup: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_apps: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical):[root at localhost ~]# fdisk -l
>
> Disk /dev/sda: 250.1 GB, 250059350016 bytes
> 255 heads, 63 sectors/track, 30401 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x77e3ed41
>
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          64      512000   83  Linux
> Partition 1 does not end on cylinder boundary.
> /dev/sda2              64       30402   243685376   8e  Linux LVM
> Partition 2 does not end on cylinder boundary.
>
> Disk /dev/mapper/VolGroup-lv_root: 53.7 GB, 53687091200 bytes
> 255 heads, 63 sectors/track, 6527 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_swap: 4009 MB, 4009754624 bytes
> 255 heads, 63 sectors/track, 487 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_home: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_backup: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv_apps: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_root: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_home: 5242 MB, 5242880000 bytes
> 255 heads, 63 sectors/track, 637 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_backup: 5242 MB, 5242880000 bytes
> 255 heads, 63 sectors/track, 637 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_apps: 5242 MB, 5242880000 bytes
> 255 heads, 63 sectors/track, 637 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
> 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_root: 10.5 GB, 10485760000 bytes
> 255 heads, 63 sectors/track, 1274 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_home: 5242 MB, 5242880000 bytes
> 255 heads, 63 sectors/track, 637 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_backup: 5242 MB, 5242880000 bytes
> 255 heads, 63 sectors/track, 637 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
>
> Disk /dev/mapper/VolGroup-lv2_apps: 5242 MB, 5242880000 bytes
> 255 heads, 63 sectors/track, 637 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000

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