DragonFly BSD
DragonFly bugs List (threaded) for 2012-08
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[DragonFlyBSD - Bug #2264] DragonFly can't be installed on bigger than 2TB volumes

From: Tim Darby via Redmine <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 13 Aug 2012 12:21:03 -0700

Issue #2264 has been updated by Tim Darby.

Out of curiosity, would the BIOS have any affect on this? I tried installing a 3TB drive recently and DF only saw 2TB of it. After a bit of digging, I found that my BIOS didn't support >2TB and no firmware patch was planned, so I returned the drive.  Is there a possibility that this patch would have gotten around the BIOS problem?
Bug #2264: DragonFly can't be installed on bigger than 2TB volumes

Author: Francois Tigeot
Status: Closed
Priority: Normal
Assignee: Sascha Wildner
Target version: 

The DragonFly installer tries to run fdisk unconditionally on target devices
and thus fails with > 2TB volumes.

This is what I've done to get DragonFly installed on a 8TB RAID volume:

1. Don't try to use the installer, log in as root on the live cd

2. gpt create /dev/da0

3. gpt boot /dev/da0

  This stage adds a 256MB gpt boot slice with a disklabel32 filesystem type
  FIXME: Size should be updated to 768MB, like the /boot partitions created by the installer

4. gpt add -t swap -s 16777216 /dev/da0

  This creates a 8GB swap slice

5. gpt add -t dfly /dev/da0

  This creates a slice covering the rest of the da0 volume with a DragonFly filesystem type.
  FIXME: I'm not sure what is meant by DragonFly filesystem. maybe Hammer should be presented as
  a choice instead.

6. disklabel the /dev/da0s0 boot slice, install bootstrap code

  disklabel32 -B -r -w /dev/da0s0 auto
  disklabel32 -r -e /dev/da0s0
  create a 'a' partition covering the entire slice

7. format /boot filesystem

  newfs /dev/da0s0a

8. format / filesystem

  newfs_hammer -L BIGVOLUME /dev/da0s2

9. mount and install /boot

  mount /dev/da0s0a /mnt
  cpdup -I -v /boot /mnt

  vi /mnt/loader.conf

  umount /mnt

10. install the future /

  mount -t hammer /dev/da0s2 /mnt
  cpdup -I -v / /mnt
  cd /mnt
  rmdir etc
  mv etc.hdd etc
  vi etc/fstab

11. reboot

  The first stage bootloader will show an unknown F1 choice.
  Just use F2 (DragonFly) and it will boot

The new system is able to run single-user, some /var directories
which were not present on the livecd need to be created by hand
to go multi-user

The system is otherwise fully functional

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