On 3/18/2012 12:05 PM, R. G. Newbury wrote:
Paul Allen Newell wrote
>>>> its does the same "No usable disks"
>>
>> PartedMagic was the one option I asked about in my original email
and it
>On both the LiveCD and the installation DVD troubleshot into a bash
shell, I am getting "parted - Invalid partition table - recursive
partition on /dev/sr0" and I am pretty certain it is looking at the
CD/DVD as that's the device it displays. So I don't know whether I am
even able to get at the hardware via parted/cfdisk (???)
dn't make sense of them.
>I am also going to look at the sysresccd site and see if it
presents me with easier to understand access.
>All I want to do is get it back to a sane minimal state that I can run
the installation DVD and let it do the proper partitioning.
Paul, you really do need the system rescue disk. Grab the cd iso and
read the instructions to make a usb stick from the iso. The iso is
84Meg. I carry one of my oldest memory sticks in my briefcase with
this installed. Then it is a quick matter to interrupt a boot and
select the usb stick as the boot medium (F12 on my Thinkpad). Or
change the boot order in the bios on the desktop.
Also, there is a good explanation of GPT vs MBR boot processes on the
sysrescue site. I STRONGLY suspect that your prior attempt at
installation failed with the disk prepared for, but not yet
partitioned as GPT.
And no software not GPT-aware can deal with that. Thus 'no usable
disks'. (The F16 repos now carry the 'gdisk' package which is a
gpt-aware version of fdisk but I am not sure that the install uses
that capability.)
The system rescue cd is based on the 3.2 kernel and has gparted .12,
which should be gpt aware. It should allow you to change back to a
blank MBR setup drive.
If that does not work, then use gdisk from the the Fedora16 LiveCD.
You will need to use the -x option and then -z to zap the (wrong) gpt
structures. Again, luckily you need not worry about zapping any data
or even an mbr setup.
How did this happen? The anaconda installer will leave an mbr
partitioned disk as is, but will use gpt if the disk is blank or if
you let *it* partition the drive. Thus another poster's comment:
'never let fedora partition your disk.' Always pre-partition, and
select 'Custom', so you are in control of the partition sizes and names.
HTH
G.
-
R. Geoffrey Newbury
G.:
I downloaded and burned last night, testing to make sure that it ran on
the brick in question. Today I am reading up on the program (and
partitioning in general) as I want to make sure I have some idea what I
am doing before running the program.
As for "never let fedora partition your disk", I might end up knowing
enough about partitioning by the time I finish this that such might be
an option in the future.
Appreciate the help,
Paul
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