[OpenIndiana-discuss] SMB NFS not sure where to go

[Michelle]

Hi Toomas,

Thanks for the feedback.

I'll update both servers and run more tests.

Michelle.

On Mon, 2023-08-07 at 10:56 +0300, Toomas Soome via openindiana-discuss
wrote:
> 
> 
> > On 7. Aug 2023, at 09:21, Michelle <michelle at msknight.com> wrote:
> > 
> > OI server is at...
> >             OpenIndiana Hipster 2022.10 (powered by illumos)
> 
> 
> Please run ‘pkg update’. We have had many updates since 2022.
> 
> > 
> > Client is Linux Mint...
> > Distributor ID: Linuxmint
> > Description:    Linux Mint 21
> > Release:        21
> > Codename:       vanessa
> > 
> > I'm continuing to have problems with SMB shares. Even mounting with
> > no
> > cache...
> > sudo mount //192.168.0.2/jaguar /mnt/jaguar -o
> > username=michelle,password=password,file_mode=0777,dir_mode=0777,ca
> > che=
> > none
> > ...
> > //192.168.0.2/jaguar on /mnt/jaguar type cifs
> > (rw,relatime,vers=3.0,cache=none,username=michelle,uid=0,noforceuid
> > ,gid
> > =0,noforcegid,addr=192.168.0.2,file_mode=0777,dir_mode=0777,soft,no
> > unix
> > ,mapposix,rsize=65536,wsize=65536,bsize=1048576,echo_interval=60,ac
> > time
> > o=1)
> > 
> > (for info, the UID of michelle is the same on client and server)
> > ...I'm getting, "resource unavailable," on various read-
> > write/rename
> > operations including deleting files. Say, sixty files, three will
> > fail
> > to delete giving "resource unavailable" and then I have to delete
> > them
> > again, and they'll go.
> > 
> > When the Linux client hits resource unavaialble, there's nothing in
> > the
> > Linux messages and nothing in the OI /var/adm/messages either, that
> > gives a hint of what's going on.
> > 
> > Having hit a brick wall with CIFS, I'm trying to configure an NFS
> > share
> > against user rather than machine IP, but I'm getting nowhere.
> > 
> > zfs set sharenfs='rw=.:michelle' panther
> 
> access list used with rw does not allow to set per user access, see
> share_nfs(8). It should interpret michelle as hostname, but I’m not
> sure why it will complain about invalid option below.
> 
> > cannot set property for 'panther': 'sharenfs' cannot be set to
> > invalid
> > options
> > 
> > I'm tying myself in knots because it seems that there's "legacy"
> > NFS,
> > ZFS NFS with different options/restrictions and I'm not sure where
> > to
> > go. If I read correctly, only ZFS NFS is installed by "default" on
> > a
> > new OI installation, but I'm not about to start going installing
> > stuff
> > until I have a better idea what I'm doing.
> > 
> > One reason I set some shares against user permissions is to protect
> > against ransomware. I unmount and re-mount rw when I want to write
> > to
> > them, hence pure hostip is a problem for me.
> > 
> > I don't know where I'm looking for either option.
> > 
> > Hence the decision to look to NFS (which I've never really had to
> > handle before) and I'm hitting trouble there.
> > 
> > Grateful for thoughts and advice.
> > 
> > Michelle.
> > 
> 
> zfs sharenfs is just one possible way to implement sharing, it is
> more useful when you are switching pools between different machines -
> so you would get sharing options with pool and do not have to
> transfer /etc/dfs/dfstab between the systems.
> 
> For debugging, I suggest to test with command ’share’ first - make
> sure your svc:/network/nfs/server:default is online, then use share
> command to test the options for specific share. Once happy, you can
> use either /etc/dfs/dfstab or zfs sharenfs (if you still do get the
> error, please report the bug in https://www.illumos.org/issues/
> 
> And please do keep the system up to date, so we know what to expect -
> we only do rolling updates and we are not patching old versions.
> 
> rgds,
> toomas
> 
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