Re: disk partitioners vs disk with 2048 byte phusical sectors
- Date: Wed, 27 Sep 2017 10:57:24 -0400
- From: Roberto C. Sánchez <roberto@xxxxxxxxxx>
- Subject: Re: disk partitioners vs disk with 2048 byte phusical sectors
On Wed, Sep 27, 2017 at 10:43:29AM -0400, Gene Heskett wrote:
> On Wednesday 27 September 2017 08:46:30 Roberto C. Sánchez wrote:
> > On Wed, Sep 27, 2017 at 08:42:08AM -0400, Gene Heskett wrote:
> > > Do we have a disk partitioner that does understand a physical sector
> > > size of any power of 2? gparted is out as this machine does not yet
> > > have an x server installed, so I need a commandline tool.
> > >
> > > Suggestions will be investigated, thank you.
> > You don't mention which tool(s) you've already attempted, but have you
> > looked at parted?
> parted and fdisk, parted was I think mentioned in what you snipped, but
> fdisk doesn't know how to even check alignment. (that I know of) The
> last time I used fdisk I got write rates under 15 megs/second on a
> sata-ii interface. I backed it up and fixed it with gparted and its now
> doing about 120 megs/second.
You mentioned gparted, which is a graphical version of parted. Since
gparted worked for you, I figured the non-graphical parted might do what
you need. Personally, I have had good success specifying arbitrary
geometries with parted from the command-line.
> Secondary question. On efi setups, how much blank space in front of the
> 1st partition is needed for that stuff on a terrabyte drive? Or is
> there even a rule of thumb about that?
I thought only 1 MB was needed before the first partition, but I haven't
messed with efi much.
> Thanks Roberto.
Roberto C. Sánchez