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
Attachment:
fscache-smithi.yml
Description: application/yaml
Attachment:
fscache-gibba.yml
Description: application/yaml
