Vinum and Volumes Larger Than 2TB

[Nikolas Britton]

On 6/27/05, Bri <ao-freebsd at replic.net> wrote:
>  Howdy,
> 
>  I'm attempting to use Vinum to concat multiple plexes together to make a single 4.5TB volume. I've noticed that once I hit the 2TB mark it seems to fail, it looks like once it hits 2TB the size gets reset to 0. Example below,
> 
> root at shakezula:~# vinum create /etc/vinum0.conf
> 2 drives:
> D partition0            State: up       /dev/da0        A: 0/0 MB
> D partition1            State: up       /dev/da1        A: 0/0 MB
> 
> 1 volumes:
> V vinum0                State: up       Plexes:       1 Size:       1858 GB
> 
> 1 plexes:
> P vinum0.p0           C State: up       Subdisks:     2 Size:       3906 GB
> 
> 2 subdisks:
> S vinum0.p0.s0          State: up       D: partition0   Size:       1953 GB
> S vinum0.p0.s1          State: up       D: partition1   Size:       1953 GB
> 
> 
>  Now I've seen mentions of people using Vinum on larger partitions and it seems to work ok. Also when I use gvinum it succeeds, however given the state of the gvinum implementation I'd like to stick with vinum.
> 
> 
>  Suggestions/comments anyone?
> 

What version of FreeBSD are you using? also I seem to remember from my
readings somewhere that there is still a soft limit of 2TB depending
on what and how you do it and that vinum had this problem.