you can install lvm (sudo apt-get install lvm2) into the live CD and
have a look.
On 06/10/10 20:40, Brendan Halpin wrote:
> On Wed, Oct 06 2010, Brendan Halpin wrote:
>>>> Thanks everyone for the suggestions.
>>>> Pádraig Brady wrote:
>>>>>>> sounds like someone messed with your partition table
>>> (using a "recovery cd" of some sort?).
>>>>> That's what I'm thinking.
>>>>>>> You should then be able to use grub and fdisk
>>> to recreate mbr and partition tables etc.
>>> If you don't know offsets then you may need
>>> to search for your file systems with something
>>> like gpart.
>>>>> OK, that's where I am, and I've just got gpart to spit out a lot of
>> numbers to me which look like my missing partitions, with size and
>> offset in megabytes. How do I use this? Via fdisk? gparted?
>>> Philip Trickett pointed me to "gpart -W ..." and now I can read several,
> but not all, of my partitions (home, /, /usr) which means I can see my
> fstab. That shows that I did use LVM the last time (I don't understand
> LVM!) and that I am missing /var /and /usr/local -- it would be good to
> have these back too. Looking at it in GParted doesn't help: 100%
> unallocated according to that!
>> fdisk gives this:
>> +---------------------------------------------------------------------
> |Disk /dev/sda: 160.0 GB, 160041885696 bytes
> |255 heads, 63 sectors/track, 19457 cylinders
> |Units = cylinders of 16065 * 512 = 8225280 bytes
> |Disk identifier: 0x38000000
> |
> | Device Boot Start End Blocks Id System
> |/dev/sda1 1 1305 10482376 7 HPFS/NTFS
> |/dev/sda2 1306 3736 19527000 7 HPFS/NTFS
> |/dev/sda3 3737 4399 5325547+ 5 Extended
> |/dev/sda4 7586 19196 93265324 83 Linux
> |/dev/sda5 * 3750 3791 337333+ 83 Linux
> |/dev/sda6 3792 4764 7815591 83 Linux
> |/dev/sda7 ? 186466 186580 917750+ ed Unknown
> +---------------------------------------------------------------------
>> These start and ends look crazy to me. Shouldn't the end of sda3 overlap
> with the logical partitions it contains? I presume the start and end for
> sda7 are just nonsense?
>>> Puzzled,
>> Brendan
>
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