What parts make it hard to use it as the basis for a CFS ? By Shared Nothing do you mean some kind of log replay in a "mirror" filesystem ?
On Thu, Nov 2, 2023 at 3:41 PM Kent Overstreet <[email protected]> wrote: > > On Thu, Nov 02, 2023 at 01:48:25PM +0100, Hannu Krosing wrote: > > What is the current thinking around using bacachefs as a cluster file > > system (CFS)? > > > > By CFS I mean a file system which can be mounted concurrently from > > many hosts or VMs. > > > > At high level it looks like it should be something quite easy to > > accommodate, bcachefs having grown out of caching work and the main > > difference between CFS and non-cluster FS being the ability to > > guarantee cache coherency. > > > > So what are your thoughts on this, assuming that bcachefs is runnning > > on a storage that is already available for all the hosts/VMs, what is > > missing and how hard would it be to get there ? > > > > I did not find anything about CFS support in the > > https://bcachefs.org/FAQ/ or other pages. > > No, bcachefs would not be a good basis for a traditional shared storage > cluster filesystem. > > Shared nothing, OTOH...
