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Bug#757182: debian-installer: Please provide a warning about BTRFS

On 6 August 2014 03:46, Russell Coker <russell@coker.com.au> wrote:
> Package: debian-installer
> Severity: normal
> http://www.spinics.net/lists/linux-btrfs/msg36461.html
> BTRFS has some issues that can cause system lockups, filesystem deadlocks that
> prevent writing to disk, and other problems.  After some discussion on the
> BTRFS mailing list (see the above URL for the archive) the consensus seems to
> be that we should have a warning.  BTRFS isn't at the stage where someone with
> little knowledge of it can just use it.  To have it work reliably the sysadmin
> needs to know more about it than for other filesystems.

I disagree and the assessment here is unjust. By default we offer
ext4, [ with lvm2 [ with cryptsetup LUKS ] ]. mdadm raid needs
additional setup.
For none of the above, we show any warnings.
In the manual partitioning, again ext4 is the default. To get to
BTRFS, one needs to change from ext4 to it, which imho there is a
sufficient amount of hoops to jump through.
I wouldn't want to loose ability to install on to btrfs, since
developers have need to have working installers with btrfs.
>From UX perspective, users don't read warnings =)
When people ask me if they should use btrfs, or if btrfs is ready my
reply is usually "if you have to ask, you shouldn't use it. Instead
study and benchmark it to know for sure what you are getting into with
your workload."

ext4 is Debian's and Ubuntu's default filesystem for upcoming releases.



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