gpt formatting and uefi booting

[Doll, Margaret Ann]

Thanks again, Mark.   The University does have some PXEboot install tools.
I will try those.




On Wed, Jun 25, 2014 at 11:17 AM, <m.roth at 5-cent.us> wrote:

> Doll, Margaret Ann wrote:
> > Thanks, Mark.
> >
> > I will look for the 6.5 download.
>
> Yeah, or run yum update.
> >
> > Don't I have to run the parted -a opt on a RedHat system?
> > Is parted available from the installation DVD?
> >
> I'm not sure. We run mostly CentOS at work, so the same as RHEL, and it's
> available when we're doing our PXEboot installs.
>
>         mark
> >
> >
> >
> > 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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