On Sun, 26 Jul 2015 21:59:09 -0700, in message caarut0intrcvck-pru4pdcmh1u3ksjujtyutummovcjjckw...@mail.gmail.com, Denis Heidtmann wrote:
> To install Ubuntu 14.04 on a new 1T drive I moved the cables from the
> current internal drive to the new drive. I installed from a DVD. I
> chose the default partitioning.
>
> First question:
> Everything went as expected, except fdisk -l shows:
>
> /dev/sda1 .97x10^9 blocks ID 83 Linux
> /dev/sda2 6.2x10^6 blocks ID 5 extended
> Partition 2 does not start on a sector boundary
> /dev/sda5 6.2x10^6 blocks ID 82 swap
>
> (I expressed the block count that way for brevity.)
Please don't. I need to see the complete results if I'm to
understand what's going on.
> Is the starting of partition 2 not on a boundary because the memory
> installed is 6,260,740,096 bytes (5Gb) ?
I don't understand the question. What do you mean, "memory installed"?
> Is it a problem? If yes,
> how do I correct it? (Re-install is fine. I have not done anything
> with the new drive.)
It sounds to me like you've got a drive with 4KB sectors, and
firmware that tries to fake 512B sectors. This will slow down
your drive. It's not going to damage anything, but it's really a
kludge to make old software work with the new hardware.
Here's what I would do:
Boot from a live CD/DVD, like Knoppix. Use fdisk to create a
reasonable partition scheme; for example:
partition 1: start=2048, end=1050623 (size=512M <== /boot)
partition 2: start=1050624, size=8.1G (swap partition)
partition 3: start=17946624, size=25G (Linux OS partition)
partition 4: start=70375424, size=the rest of the disk (/home partition)
The start numbers are the actual starting locations on my system
disk. You can change things if you need to, but keep the number
of sectors in each partition a multiple of 2048. When you go to
re-install, use that partitioning, rather than the installer's
default. I have yet to see any distro whose default partitioning
scheme was worth two hoots in Hoboken.
> Second question:
> My desktop computer has an internal SATA drive and a SATA drive
> dock. The dock is normally used to hold my backup drive. Can I do
> the install in the dock, copy data from the old drive to the new
> drive, then move the new drive to the internal location?
Hmm... I think I'd swap the drive positions. Put the old drive
in the dock, and connect the new drive as the internal one. The
other way is an invitation for Grub to screw things up. "A little
paranoia is a good thing."
> Will the drive then be known as /dev/sdb1?
I have no idea. What happened to /dev/sda?
> How do I tell the install program to find the external drive?
The installer should find all the drives on the system
automatically. All you should have to do is select the drive you
want to install to.
(Sorry if I sound a bit short. It's 1 am and I'm very tired.)
Anyway, I hope this helps.
--Dale
--
The question of whether computers can think is just like the
question of whether submarines can swim.
-- Edsger W. Dijkstra
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