Re: ANNOUNCE: ScoutFS archival filesystem code published

["Darrick J. Wong" <darrick.wong@oracle.com>]

On Mon, Sep 17, 2018 at 12:23:03PM -0700, Zach Brown wrote:
> Greetings -fsdevel,
> 
> Today we at Versity are opening the code to ScoutFS, the clustered file
> system that we've been developing as part of our larger software stack
> that supports large scale archives.
> 
> The motivation for the project and the architectural decisions that
> we've made can be found in the white paper that is linked off of
> https://www.scoutfs.org/ .   We've also set up a
> scoutfs-devel@scoutfs.org development mailing list and have an open
> Slack channel, both are linked off of the scoutfs.org site.
> 
> The README.md in the kernel module github repo at
> https://github.com/versity/scoutfs-kmod-dev/ describes the quick steps
> needed to get a system up and running.
> 
> For the expert audience, here's the overview of the project:
> 
>  - Clustered file system using a shared block device.
>  - Shared LSM indexing of metadata to encourage concurrent updates.
>  - Integrated archival interfaces (indexing, "offline" extent tracking).
>  - Batch locking to reduce the cost of enforcing full POSIX.
>  - Initial development targets RHEL/CentOS kernels.
>  - What you'd expect: atomic transactions, metadata checksums, extents.
> 
> This code can be considered a rough beta.  The large architectural
> structures are there for review, and what is implemented has been well
> exercised, but a lot remains to be implemented before we declare the
> format fixed and submit the code upstream.
> 
> We're opening the project early to give the community the opportunity to
> contribute to the design and implementation.
> 
> In the coming weeks I'll personally be focusing on some big ticket
> functional items (deleted inode cleanup in particular),  hardening a few
> recovery cases after crashes, and in general spending all of my will
> power focusing on that responsible nonsense instead of getting lost in
> satisfying performance tuning.
> 
> Ask me anything :),

Is there a fsck tool for this? :D

--D

> - z