gdisk reports: Caution: invalid backup GPT header, but valid main
header; regenerating backup header from main header.
Caution! After loading the partitions, the CRC doesn't check out!
Warning! Main and backup partition tables differ! Use the 'c' and 'e'
options on the recovery & transformation menu to examine the two tables.
Warning! One or more CRC's don't match. You should repair the disk!
Partition table scan:
MBR: MBR only
BSD: not present
APM: not present
GPT: damaged
Found valid MBR and corrupt GPT. Which do you want to use? (Using the
same GPT MAY permit recovery of GPT data.)
1 - MBR
2 - GPT
3 - Create blank GPT
Your answer:
All this is the result of simply running gdisk>/dev/sda. And for what
it's worth I haven't answered yet.
Thanks,
Ben
ben79
-------------------------------------------------------------------------
OM-QA Team
On 10/27/2014 11:32 AM, Konstantin Vlasov wrote:
Re[2]: [OM Cooker] How to partition for dual boot Windows 8.1/OM Lx
2014.1 on UEFI computer. Hi, Ben.
Hm... There is a possibility that the GPT table is still intact and
just lies there along with MBR. Let's try this:
1. Launch gdisk (GPT version of fdisk) and see what is tells you: is
there GPT present or not, what is the list of partitions according to
GPT (if it is present), and so on.
2a. If gdisk tells you that GPT exists, and its contents corresponds
to your real partitions structure, you may simply discard the MBR and
replace it with so-called protective MBR. The commands are: x (expert
mode), n (new protective MBR).
2b. If there is no GPT (or there is, but it's outdated and invalid),
you can convert MBR into GPT using the command: r (recovery mode), f
(build new GPT from MBR).
Oh, thanks. parted -l lists "Partition Table: msdos". This has
probably been changed in my attempts to install openmandriva. How then
can a get it relabled to GPT?
Thanks,
Ben
ben79
-------------------------------------------------------------------------
OM-QA Team
On 10/27/2014 11:01 AM, Konstantin Vlasov wrote:
Hi, Ben.
I suppose, in this video the disk is partitioned using GPT which can
contain up to 128 (or even more) partitions without dividing them into
primary/extended/logical. If you cannot create another partition, you
probably have MBR partition table where only information about 4
partitions can be stored (that is, either 4 primary ones, or 1-3
primary plus 1 extended partition which in its turn can contain one or
more logical partitions). Though it would be strange: usually
Win8.1+UEFI systems are preinstalled with GPT partitioning...
Try running `parted -l' from console, it will tell you which partition
table type you have.
My problem is that windows 8.1 is 4 partitions. gparted will not let
me create another primary partition. If I remove and recreate the
windows DATA partition then my windows install is corrupted. Repairing
that removes any Linux install and back to same problem. How can I do
this? I'm using gparted in live mode of 2014.1 x86_64. This video from
rugyada shows someone who can create more than 4 primary partitions in
live mode with gparted.:
https://www.youtube.com/watch?v=nDe4IVs1ZfQ
Why can't I do that?
--
Thanks,
Ben
ben79
-------------------------------------------------------------------------
OM-QA Team
/--
Bye. With best regards,
Konstantin Vlasov.
--
Bye. With best regards,
Konstantin Vlasov. /
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