[Samba] Setting ACLs with smbcacls fails (partly)

[Rowland penny]

On 27/12/2019 12:59, Chris via samba wrote:
> On 25/12/2019 20:04, Rowland penny via samba wrote:
>
>> On 25/12/2019 16:46, Chris via samba wrote:
>>> Hello,
>> Merry Christmas
> Thanks Rowland! Hope you had a Merry Christmas too
>>> The shares of the file server are on the ZFS of the host and mapped 
>>> via bind-mount.
>>
>> Ah, that could be a problem, ZFS uses NFSv4 ACLs
>>>
>> Try 'nfs4acl_xattr' instead, see 'man vfs_nfs4acl_xattr'
>
> I tried to set in the [users] share. The result in the log.smbd looks 
> like this:
>
> ------
>
> root at svr-002:/# tail -f /var/log/samba/log.smbd [2019/12/27 
> 13:39:51.454236,  0] ../source3/smbd/service.c:631(make_connection_snum)
>   make_connection_snum: vfs_init failed for service users
> [2019/12/27 13:39:51.455426,  0] ../lib/util/modules.c:49(load_module)
>   Error loading module 
> '/usr/lib/x86_64-linux-gnu/samba/vfs/nfs4acl_xattr.so': 
> /usr/lib/x86_64-linux-gnu/samba/vfs/nfs4acl_xattr.so: cannot open 
> shared object file: No such file or directory
> [2019/12/27 13:39:51.455461,  0] 
> ../source3/smbd/vfs.c:184(vfs_init_custom)
>   error probing vfs module 'nfs4acl_xattr': NT_STATUS_UNSUCCESSFUL
> [2019/12/27 13:39:51.455479,  0] ../source3/smbd/vfs.c:379(smbd_vfs_init)
>   smbd_vfs_init: vfs_init_custom failed for nfs4acl_xattr
> [2019/12/27 13:39:51.455494,  0] 
> ../source3/smbd/service.c:631(make_connection_snum)
>   make_connection_snum: vfs_init failed for service users
> ------
>
> I think thats due to the fact, that the NFSv4 support is probably not 
> build in the Linux ZFS version of proxmox. According to what I found 
> on github, the support for NFSv4 ACL is still under development.
>
> Any other ideas?
>
> Thanks,
>
> Christian
>
Yes, but you are probably not going to like them ;-)

Upgrade to Samba 4.10.x, this definitely has 
/usr/lib/x86_64-linux-gnu/samba/vfs/nfs4acl_xattr.so

OR

Don't run Samba in your container.

OR

Don't use ZFS

Rowland