gpt formatting and uefi booting

[Doll, Margaret Ann]

Thanks, Mark.

I will look for the 6.5 download.

Don't I have to run the parted -a opt on a RedHat system?
Is parted available from the installation DVD?




On Wed, Jun 25, 2014 at 10:58 AM, <m.roth at 5-cent.us> wrote:

> Doll, Margaret Ann wrote:
> > I have a Dell PowerEdge T120 with 12  4Tb disks.  I want to use the first
> > disk as the system disk and the remaining 11 as a raid 5.
> >
> > I have the first disk set up as a raid 0.  I installed RedHat 6.4 server
> > software on the first disk.  I set up the Dell to use a uefi boot instead
> > of bios.  However, I cannot boot up the new system as the bios does not
> > support the size of the system disk.
>
> First, update it to 6.5. Like, yesterday. 6.4 will contain things like the
> heartbleed bug, etc.
> >
> > I gather I should set up  gpt partitioning instead of the default mbr on
> > the first disk.
> >
> > How do I do this?
>
> You can either use the gui gparted, or the user hostile parted. Note that
> if you do this, you'll probably have to reinstall - is that ok?
>
> One other option would be to partition disk 0, say, into two 2GB
> partitions,  and RAID 1 them. Alternatively, what we're doing here for
> drives 1TB and over is to make a root partition of 500GB, and the rest as
> another partition.
>
> $ parted -a opt
>    > mklabel gpt
>    > mkpart pri (don't be confused - when they say "name, they mean
>                      primary or extended....)
>    >>  start: 0.0GB (will make sure it's actually aligned)
>    >>  end: 100%
>    > q
> will make you one big drive.
>
>        mark
>
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