On Wed, Aug 10, 2022 at 11:16 AM Thomas Archambault <toma@xxxxxxxxxxxxxxxxx> wrote: > > Thank you again Lennart, and thx Kevin. > > That makes total sense, and accounts for the application's high level > start-up delay which appears to be what we are stuck with if we are over > xfs. Unfortunately, it's difficult to dictate to the client to change > their fs type, consequently we can't develop / ship a tool with that > baseline latency on our primary target platform (RHEL xx.) > > So the next obvious question would be, is XFS reflink support on the > systemd-nspawn roadmap or actually, (and even better) has support been > incorporated already in the latest and greatest src and I'm just behind > the curve working with the older version of nspawn as shipped in RHEL90? > > I'm asking because according to the RHEL 9 docs > (https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/managing_file_systems/index#the-xfs-file-system_assembly_overview-of-available-file-systems) > it's the current default fs and is configured for "Reflink-based file > copies." > > I understand that the project supports many distros, but I'm also > assuming that RHEL would make the list of platforms that the tool should > run optimally on. So, Is this worth submitting an enhancement request? > It's certainly not a bug. > > We like the feature set of nspawn and want to keep banging on it; > Probably pushing it into spaces it was not intended for, but that's > another story, and our issue... > You could also ask Red Hat to consider adding Btrfs to RHEL and give them your use-case so that they could consider adding it. It's already used by default in Fedora and many other distributions, so bringing it back to RHEL at this point would be a matter of customers asking for it. -- 真実はいつも一つ!/ Always, there's only one truth!