Re: 2 PB filesystem ok?

Ulli Horlacher
2025-06-28T17:15:44Z

On Wed 2024-05-01 (21:47), Martin Steigerwald wrote:

> > > So I believe it would be `mkfs.btrfs -O block-group-tree ...'.
> >
> > root@fex:~# mkfs.btrfs -O list-all
> [...]
> > root@fex:~# btrfs --version
> > btrfs-progs v5.16.2
> >
> >
> > This is Ubuntu 22.04
>
> Too old.

root@zentux:~# mkfs.btrfs -O list-all 2>&1 | grep block-group-tree
bgt - block-group-tree alias
block-group-tree - block group tree to reduce mount time (compat=6.1)

root@zentux:~# sysinfo
System: Linux zentux 6.8.0-62-generic x86_64
Distribution: Ubuntu 24.04.2 LTS /sw

root@zentux:~# btrfs --version
btrfs-progs v6.6.3

Got it! :-)

--
Ullrich Horlacher Server und Virtualisierung
Rechenzentrum TIK
Universitaet Stuttgart E-Mail: horlacher@tik.uni-stuttgart.de
Allmandring 30a Tel: ++49-711-68565868
70569 Stuttgart (Germany) WWW: https://www.tik.uni-stuttgart.de/
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