On 23 June 2010 at 00:57 Ralph Corderoy <ra...@inputplus.co.uk> wrote:

> You'd think, looking at that, that much of sda's space is not being
> used.  You can use fdisk(8) to list the partitions on each drive.  The
> size of each unit is given in the preamble.
>
>     sudo fdisk -l /dev/sda
>     sudo fdisk -l /dev/sdb
Thanks.  This shows up even more:
 
> sudo fdisk -l /dev/sda

Disk /dev/sda: 4001 MB, 4001292288 bytes
255 heads, 63 sectors/track, 486 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1         300     2409718+  83  Linux
/dev/sda2             301         484     1477980   83  Linux
/dev/sda3             485         485        8032+   c  W95 FAT32 (LBA)
/dev/sda4             486         486        8032+  ef  EFI (FAT-12/16/32)
/> sudo fdisk -l /dev/sdb

Disk /dev/sdb: 4026 MB, 4026531840 bytes
31 heads, 30 sectors/track, 8456 cylinders
Units = cylinders of 930 * 512 = 476160 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               9        8457     3928064    b  W95 FAT32

> It could be sda has a partition that isn't being mounted so it's
> available for use.
I don't know about being available for use, but there are at least three
partitions that aren't accessible to everyday users.
 
I'll definitely think about an upgrade to UNR.
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