Re: Part of hard disk disappeared after installing Fedora 12?

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M. Fioretti wrote:


> I don't understand what's
> going on, because the disk is 350 GB.

fdisk says the disk is 250GB and you have a 240GB sda2 partition.

> Disk /dev/sda: 250.1 GB, 250059350016 bytes
> 255 heads, 63 sectors/track, 30401 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Disk identifier: 0x000acea3
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          26      204800   83  Linux
> Partition 1 does not end on cylinder boundary.
> /dev/sda2              26       30401   243991201   8e  Linux LVM

sda2 is a pv (physical volume) of around 230GB, as you can see here.

> [root@polaris ~]# pvdisplay
>   --- Physical volume ---
>   PV Name               /dev/sda2
>   VG Name               vg_polaris
>   PV Size               232.69 GB / not usable 673.00 KB

230/240/250 is all the same, as there are some confusing definitions
of how big a gigabyte is.

So, what is happening is that:

- either the disk is 250GB and not 350GB (try "hdparm /dev/sda",
"hdparm -i /dev/sda")

- or the disk is 350GB but it is partitioned as if it were 250GB; this can happen
if you copy an entire 250GB disk to a bigger one ("dd if=dev/sda of=/dev/sdb"),
because you copy the partition table values which specify how big the disk is.

Let's see what hdparm thinks.
Model number + google search will tell us how big your disk really is.

Best regards.
-- 
   Roberto Ragusa    mail at robertoragusa.it

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