From: Martin Steigerwald <martin@lichtvoll.de>
To: Linux BTRFS mailing list <linux-btrfs@vger.kernel.org>,
Ulli Horlacher <framstag@rus.uni-stuttgart.de>
Subject: Re: 2 PB filesystem ok?
Date: Wed, 01 May 2024 21:47:45 +0200 [thread overview]
Message-ID: <2183753.irdbgypaU6@lichtvoll.de> (raw)
In-Reply-To: <20240501181903.GB393383@tik.uni-stuttgart.de>
Ulli Horlacher - 01.05.24, 20:19:03 CEST:
> On Wed 2024-05-01 (16:16), Tomas Volf wrote:
> > On 2024-05-01 10:50:12 +0200, Ulli Horlacher wrote:
> > > On Mon 2024-04-29 (12:34), Johannes Thumshirn wrote:
> > > > I have used 2PB filesystems in my RAID Stripe Tree test
> > > > environment, but for practical uses, I suggest you to enable the
> > > > block-group tree feature during mkfs time.
> > >
> > > I cannot find such an option in man-page for mkfs.btrfs
> > >
> > $ mkfs.btrfs -O list-all
[…]
> > 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.
See here for minimum requirements:
https://btrfs.readthedocs.io/en/latest/Feature-by-version.html
Kernel (and I bet) btrfs progs 6.1.
I bet there is a PPA for newer kernels for Ubuntu. Whether there is a PPA
for never btrfs progs, I don't know.
Best,
--
Martin
prev parent reply other threads:[~2024-05-01 19:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-28 23:31 2 PB filesystem ok? Ulli Horlacher
2024-04-29 10:11 ` Andrea Gelmini
2024-04-29 12:34 ` Johannes Thumshirn
2024-05-01 8:50 ` Ulli Horlacher
2024-05-01 14:16 ` Tomas Volf
2024-05-01 18:19 ` Ulli Horlacher
2024-05-01 19:47 ` Martin Steigerwald [this message]
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