On Tue, 2020-12-01 at 16:31 -0500, David Galloway wrote: > On 12/1/20 3:07 PM, Jeff Layton wrote: > > On Tue, 2020-12-01 at 14:23 -0500, David Galloway wrote: > > > > > > On 12/1/20 10:24 AM, Jeff Layton wrote: > > > > On Tue, 2020-12-01 at 10:22 -0500, David Galloway wrote: > > > > > On 12/1/20 9:55 AM, Jeff Layton wrote: > > > > > > I've been working on a patch series to overhaul the fscache code in the > > > > > > kclient. I also have this (really old) tracker to add fscache testing to > > > > > > teuthology: > > > > > > > > > > > > https://tracker.ceph.com/issues/6373 > > > > > > > > > > > > It would be ideal if the clients in such testing had a dedicated > > > > > > filesystem mounted on /var/cache/fscache, so that if it fills up it > > > > > > doesn't take down the rootfs with it. We'll also need to have > > > > > > cachefilesd installed and running in the client hosts. > > > > > > > > > > > > Is it possible to do this in teuthology? How would I approach this? > > > > > > > > > > > > > > > > I think I can make this happen pretty easily in ceph-cm-ansible. What > > > > > I'd need from you is desired filesystem type and size. Once I'm done > > > > > with my end, we'll need to create a cephlab.ansible overrides yaml > > > > > fragment to stick in that suite's qa directory. > > > > > > > > > > > > > Ok, cool: > > > > > > > > fstype: xfs or ext4 (either is fine) > > > > size: ~50g or so would be ideal, but we can probably get away with less > > > > if necessary > > > > > > > > > > Getting there... > > > > > > https://github.com/ceph/ceph-cm-ansible/pull/592 > > > > > > Can you give me an optimal cachefilesd.conf and I'll set that up in > > > ceph-cm-ansible too? > > > > > > > I never actually tweak the defaults in my local testing, so let's start > > with a default cachefilesd.conf as installed by the package. If we need > > to tweak it later, then we'll go from there. > > > > K. I made it optional and used the package-provided defaults. > > Your requested changes are implemented in ceph-cm-ansible. I've > attached the yaml fragments you'll need to pass on the > `teuthology-suite` command line to set up the partition, filesystem, and > cachefilesd service. > > e.g., teuthology-suite ... ~/fs-cache-smithi.yml Many thanks! I now need to figure out how to pass arbitrary mount options to the kclient. I think that might need some plumbing down in ceph/qa. I'll sort that out soon and test this. Cheers! -- Jeff Layton <jlayton@xxxxxxxxxx> _______________________________________________ Dev mailing list -- dev@xxxxxxx To unsubscribe send an email to dev-leave@xxxxxxx
