Re: Missing Disk Space or Partition
On Thu, 20 Jan 2011 17:49:06 -0500, RR wrote:
> Once the system gets to the login prompt and I login and run 'df -h', I
You should check the above filesystem errors and try to fix them. I would
review the mentioned file "/var/log/fsck/checkfs".
> /dev/mapper/DebSparcx64--01-root 256M 78M 166M 32% /
> tmpfs 2.0G 0 2.0G 0% /lib/init/rw
> udev 10M 1.1M 9.0M 11% /dev
> tmpfs 2.0G 0 2.0G 0% /dev/shm
> /dev/mapper/DebSparcx64--01-home 30G 177M 29G 1% /home
> /dev/mapper/DebSparcx64--01-tmp 368M 11M 339M 3% /tmp
> /dev/mapper/DebSparcx64--01-usr 4.6G 372M 4.0G 9% /usr
> /dev/mapper/DebSparcx64--01-var 2.8G 189M 2.5G 8% /var
It seems you are using a fakeraid or logical volumes setup (/dev/
mapper/...). Can you explain how are the disks configured? How many disks
in use, are they attached to a hard/soft raid controller or inside a
How did you create the partitions, from Solaris or from Debian installer?
> The question now is, if you look carefully, I only have ~37GB showing as
> partitioned. Where is the remaining (72-37 GB) space? This was easy to
> see in 'format' command in Solaris but doing all sort of cart-wheels in
> Debian/Linux, I don't know what the heck these dm-* partitions are,
> which seem to be where this missing space is, and how do I get to it to
> create a valid partition out of it and mount it and use it?
That dm* stands for "device mapper", a framework for block devices. I
dunno about that "format" utility for Solaris but "cfdisk" could be
useful in this case ("man cfdisk" for details).