On Tue, 2024-04-09 at 10:00 -0400, Neal Gompa wrote: > On Tue, Apr 9, 2024 at 9:53 AM Tadej Janež <tadej.j@xxxxxx> wrote: > > > > Hey Fedora Cloud WG! > > > > Firstly, thanks for providing Fedora for the popular cloud > > providers! > > > > Since Fedora 35, the Fedora Cloud images use btrfs by default [1]. > > For my deployments, I would like to use ext4 or xfs, so my question > > are: > > 1) Is it possible to change the root file system at deploy time? > > 2) If not, how could one change the cloud images to use a different > > root file system? > > > > It is not possible to change at deployment time, you would need to > build your own custom images. > Ok, thanks for clarifying! > Our images are now defined here: > https://pagure.io/fedora-kiwi-descriptions/blob/rawhide/f/teams/cloud/cloud.xml > > If you want to use something else, you'd want to have your own > version > of the definitions and modify that file to use the filesystem of your > choice. I see, one would need to modify the "filesystem" key of the selected Cloud-Base-<provider> image. Are there instructions on how to build a custom cloud image? However, even if I can easily build a custom cloud image, the overhead of maintaining custom cloud images is very high. For every Fedora release and cloud provider, I would need to build the image and then with IaC (e.g. Terraform), handle uploading the custom image and using it... > > Is there a particular reason you want to use ext4 or xfs for your > rootfs? Typically the pattern we see is that people attach a > secondary > volume or use S3 and put their data on that instead of the rootfs. > Yes, I use that pattern as well. Usually, /srv or /var would be on a separate block storage and formatted with the file system of choice. The reasons why I would want to use, e.g. ext4 for the rootfs, would be: 1. Familiarity. I've mainly been using ext4 or LVM+ext4 (with LUKS underneath) for the last 2 decades. I know the tools and I know what "care" such filesystems need. 2. Maturity. Ext2/3/4 have been round for quite longer than btrfs and there are very little "unknowns" or "surprises" with it. 3. Simplicity. When provisioning machines with a cloud provider, I actually don't need the LVM+ext4 combination because the cloud provider would typically handle the things LVM would handle for a non-cloud machine, e.g. increasing the block storage size, snapshotting, ... Please, don't read this as a critique against btrfs, just me trying to explain why I would find it nicer to just use ext4 for the rootfs as well. Regards, Tadej -- _______________________________________________ cloud mailing list -- cloud@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to cloud-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/cloud@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
