[DragonFlyBSD - Bug #2619] DragonFly 3.6 can't be installed on a 6TB volume

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #2619 has been updated by swildner.

Category changed from Driver to Kernel

This issue neither specific to the disk size nor to the mfi(4) driver generally.

We have a guy in the IRC channel who runs DragonFly on a large system with (IIRC) 15x3TB with mfi(4):

Filesystem        Size   Used  Avail Capacity  Mounted on
ROOT               35T   1.6G    35T     0%    /
devfs             1.0K   1.0K     0B   100%    /dev
/pfs/@@-1:00001    35T   1.6G    35T     0%    /var
/pfs/@@-1:00002    35T   1.6G    35T     0%    /tmp
/pfs/@@-1:00003    35T   1.6G    35T     0%    /usr
/pfs/@@-1:00004    35T   1.6G    35T     0%    /home
/pfs/@@-1:00005    35T   1.6G    35T     0%    /usr/obj
/pfs/@@-1:00006    35T   1.6G    35T     0%    /var/crash
/pfs/@@-1:00007    35T   1.6G    35T     0%    /var/tmp
procfs            4.0K   4.0K     0B   100%    /proc


----------------------------------------
Bug #2619: DragonFly 3.6 can't be installed on a 6TB volume
http://bugs.dragonflybsd.org/issues/2619#change-11831

* Author: ftigeot
* Status: New
* Priority: Normal
* Assignee: 
* Category: Kernel
* Target version: 
----------------------------------------
I tried to install DragonFly on a batch of Xeon E5v2 workstations.
These machines have a 6TB mfid0 boot volume (RAID 5 of 4x2TB disks on a LSI 9260-4i adapter).

The installation fails almost immediately and these messages are shown in a dialog box:

fdisk: WARNING line 1: number of cylinders (726552) may be out of range
(must be within 1-1024 for normal BIOS operation, unless the entire disk is dedicated to DragonFly
fdisk: ERROR: could not adjust partition to start on a head boundary and end on a cylinder boundary.



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