On Thu, Dec 17, 2020 at 10:41 AM Philip Brown <pbrown@xxxxxxxxxx> wrote: > > Huhhh... > > Its unfortunate that every google search i did for turning off rbd cache, specified "put it in the [client] section". > Doh. > > Maybe this would make a good candidate to update the ceph rbd docs? As an open source project, I highly encourage you to give back in any way you can [1]. > Speaking of which.. what is the *exact* syntax for that command please? > None of the below work: > > rbd config global set rbd_cache false > rbd config global set rbd cache false > rbd config global set conf_rbd_cache false > rbd config global set rbd cache false > rbd config global set global cache false > > and the error messages are not helpful. for example, > > # rbd config global set cache false > rbd: invalid config entity: cache (must be global, client or client.<id>) > > > ??? I already specified global?? ... because a global configuration override can apply to all entities, to all clients, or to specific clients (hence the examples for the entity parameter). > but then > > # rbd config global set global cache false > rbd: not rbd option: cache ... the configuration option is "rbd_cache" as documented here [2]. > > > Very frustrating. > > > > ----- Original Message ----- > From: "Jason Dillaman" <jdillama@xxxxxxxxxx> > To: "Eugen Block" <eblock@xxxxxx> > Cc: "ceph-users" <ceph-users@xxxxxxx> > Sent: Thursday, December 17, 2020 5:09:17 AM > Subject: Re: bug? cant turn off rbd cache? > > > > If you want to change global (librbd) settings, please use "rbd config > global set ..." (which is just a wrapper around "ceph config set > global ..."). The conf files only apply to the single host where they > exist. > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > [1] https://docs.ceph.com/en/latest/start/documenting-ceph/ [2] https://docs.ceph.com/en/latest/rbd/rbd-config-ref/#cache-settings -- Jason _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx