sony-vaio-z-series team mailing list archive

[Adam Hill <sidepipeuk@xxxxxxxxx>]

	What happens if you boot in rescue mode ( using the correct root 
partition ) and do:

grub-install /dev/mapper/isw_bfcjcejdfb_Volume0

?

On Wednesday 25 August 2010 15:53:54 Paul Baines wrote:
> Hi Everyone,
> 
> I just wanted to share some experiences installing trying to dual boot the
> newly pressed 32-bit Ubuntu 10.04.1 (with the shipped Windows 7 install) on
> a VPCZ12CGX/X with (2 x 128Gb SSD).
> 
> I'd tried a while back with 10.04 and run into RAID-related errors when
> trying to create partitions during the install. After checking the bug
> reports it seemed there would be plenty of RAID-related improvements
> coming, so I'd waited until 10.04.1 to try again. Sure enough, the
> partitioning now works, and the alternate installer runs fine right
> through until the final grub installation step -- where it fails.
> 
> I've had no luck installing grub with super grub disk, rescatux or using
> rescue mode so far. Google also hasn't turned up a solution yet. My grub
> experience is relatively limited, so it may be something relatively
> trivial. Is this as a common problem? Anyone know of a solution? Is this
> SSD specific?
> 
> Further details below -- any help greatly appreciated!
> 
> Paul.
> 
> Some further details:
> 
> I am keeping the shipped install of Windows 7, and attempting to dual boot.
> Have successfully loaded the live cd with the usual kernel parameter
> changes (nomodeset i8042.nopnp etc).
> 
> Some possibly useful command line output obtained from a live cd session is
> pasted below.
> 
> root@ubuntu:~# ls /dev/mapper/
> control                  isw_bfcjcejdfb_Volume02  isw_bfcjcejdfb_Volume06
> isw_bfcjcejdfb_Volume0   isw_bfcjcejdfb_Volume03
> isw_bfcjcejdfb_Volume01  isw_bfcjcejdfb_Volume05
> root@ubuntu:~# sudo fdisk -l /dev/sda
> root@ubuntu:~# sudo fdisk -l /dev/hda
> root@ubuntu:~# sudo fdisk -l /dev/mapper/isw_bfcjcejdfb_Volume0
> 
> Disk /dev/mapper/isw_bfcjcejdfb_Volume0: 256.1 GB, 256066715648 bytes
> 255 heads, 63 sectors/track, 31131 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 131072 bytes / 262144 bytes
> Disk identifier: 0x8f7ae33a
> 
>                               Device Boot      Start         End
> Blocks   Id  System
> /dev/mapper/isw_bfcjcejdfb_Volume0p1               1        1893
> 15199232   27  Unknown
> /dev/mapper/isw_bfcjcejdfb_Volume0p2   *        1893        1906
> 102400    7  HPFS/NTFS
> /dev/mapper/isw_bfcjcejdfb_Volume0p3            1906       25657
> 190779392    7  HPFS/NTFS
> /dev/mapper/isw_bfcjcejdfb_Volume0p4           25657       31132
> 43982849    5  Extended
> Partition 4 does not start on physical sector boundary.
> /dev/mapper/isw_bfcjcejdfb_Volume0p5           25657       30902
> 42134528   83  Linux
> /dev/mapper/isw_bfcjcejdfb_Volume0p6           30902       31132
> 1848064   82  Linux swap / Solaris
> 
> ubuntu@ubuntu:~$ df -T
> Filesystem    Type   1K-blocks      Used Available Use% Mounted on
> aufs          aufs      126931     23512     96866  20% /
> none      devtmpfs     1182588       352   1182236   1% /dev
> /dev/sdc1     vfat     1990076    832924   1157152  42% /cdrom
> /dev/loop0
>           squashfs      673792    673792         0 100% /rofs
> none         tmpfs     1187496       164   1187332   1% /dev/shm
> tmpfs        tmpfs     1187496        24   1187472   1% /tmp
> none         tmpfs     1187496        88   1187408   1% /var/run
> none         tmpfs     1187496         0   1187496   0% /var/lock
> none         tmpfs     1187496         0   1187496   0% /lib/init/rw
> /dev/loop1    ext3      126931     23512     96866  20%
> /media/c9bd7dd5-dd51-45ad-9c56-94a622139f37
> /dev/mapper/isw_bfcjcejdfb_Volume03
>            fuseblk   190779388 110180180  80599208  58%
> /media/A8820CA8820C7CD6
> /dev/mapper/isw_bfcjcejdfb_Volume05
>               ext4    41472304   2094092  37271488   6%
> /media/df0699d2-7ab4-4f04-a83f-655f810c4485
> /dev/mapper/isw_bfcjcejdfb_Volume01
>            fuseblk    15199228  14352540    846688  95% /media/Recovery
> /dev/mapper/isw_bfcjcejdfb_Volume02
>            fuseblk      102396     25216     77180  25% /media/System
> Reserved
> root@ubuntu:~# cat /etc/fstab
> aufs / aufs rw 0 0
> tmpfs /tmp tmpfs nosuid,nodev 0 0
> 
> ubuntu@ubuntu:~$ sudo dmraid -r
> /dev/sdb: isw, "isw_bfcjcejdfb", GROUP, ok, 250069678 sectors, data@ 0
> /dev/sda: isw, "isw_bfcjcejdfb", GROUP, ok, 250069678 sectors, data@ 0
> 
> Contents of /etc/fstab:
> 
> # /etc/fstab: static file system information.
> #
> # Use 'blkid -o value -s UUID' to print the universally unique identifier
> # for a device; this may be used with UUID= as a more robust way to name
> # devices that works even if disks are added and removed. See fstab(5).
> #
> # <file system> <mount point>   <type>  <options>       <dump>  <pass>
> proc            /proc           proc    nodev,noexec,nosuid 0       0
> /dev/mapper/isw_bfcjcejdfb_Volume05 /               ext4
> errors=remount-ro 0       1
> /dev/mapper/isw_bfcjcejdfb_Volume06 none            swap    sw
> 0       0