Re: Using a 4TB (Now 3TB) SATA disk with i386?

[gary%duzan.org@localhost]

   You want a GPT: man gpt. I also found an example at
https://wiki.netbsd.org/users/mlelstv/using-large-disks/#index4h1 .
Those should be enough to get you started. Good luck...

                               Gary Duzan


=> On Thu, Nov 2, 2017 at 6:15 AM, Jonathan A. Kollasch
=> <jakllsch%kollasch.net@localhost> wrote:
=>> On Thu, Nov 02, 2017 at 05:56:07AM -0700, Andy Ruhl wrote:
=>> It's not uncommon for newer USB drives to present themselves with 4KiB
=>> logical sectors, despite the fact that the disks within are actually
=>> 4KiB physical sectors with 512-byte logical sectors.  Some of our tools,
=>> particularly back in the netbsd-6 days, do not deal well with
=>> non-DEV_BSIZE logical sectors.
=>>
=>> You should have little to no issue with internal SATA drives, as most
=>> of them present themselves with 512-byte logical sectors.
=>
=> I now have a NetBSD-8/i386 machine with a 3TB disk:
=>
=> wd1 at atabus1 drive 0
=> wd1: <ST3000DM001-1ER166>
=> wd1: drive supports 16-sector PIO transfers, LBA48 addressing
=> wd1: 2794 GB, 5814021 cyl, 16 head, 63 sec, 512 bytes/sect x 5860533168
=> sectors
=> wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
=> wd1(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6
=> (Ultra/133) (using DMA)
=>
=> When I try to use fdisk to create a partition, it won't let me go
=> higher than 2TB.
=>
=> I tried just using disklabel as well, and I have the same problem.
=>
=> I see a Wiki page about creating wedges but it's talking about using
=> ccd and raid which I don't want to do. I just want a regular 3TB disk
=> with 1 ffsv2 partition.
=>
=> Where should I start? I'm not finding "official" documentation (in the
=> guide for example).
=>
=> Andy
=>