[ovirt-users] Re: Synology NFS confusion

On March 17, 2020 10:21:53 PM GMT+02:00, Shareef Jalloq <shareef(a)jalloq.co.uk&gt; wrote: > Hi all, > > I'm trying to set up a hosted engine on an NFS share provided by a > Synology > NAS. I've been reading the info and threads regarding the requirement > that > the share be owned by vdsm:kvm with uid:gid of 36:36, but this seems > impossible to set on modern Synology boxes. > > My understanding of DSM is that the user doesn't have control of the > UID > and GID of users. You can ssh in and modify /etc/passwd but these > files > are auto-generated from Synology's own scripts so changes here will not > persist across reboots. Is that correct? > > Secondly, having read lots of posts about permissions and various > issues > around export settings, why isn't this documented anywhere? There just > seems to be lots of contradictory posts. For example, my experience > has > been: > > - my Synology vdsm:kvm ids are 1028:65536 > - the permissions on the NFS export are 777, anything else gives > permissions errors in HE setup > - the hosted engine install went fine with these settings. > - the nfs-check.py script provided to check the NFS export fails but > the > installation still completes. > > So are these issues specific to Synology or is the documentation out > there > just wrong? > > #confused > > Cheers, Shareef. Actually, I have seen users using anonuid=36,anonguid=36,all_squash (or whatever were the anon user options) which forces all users on the share to be mapped to nfsnobody and that user/group will have uid of '36'.