zfs discuss - Jul 2008 - sharenfs=off, but still being shared?

I noticed an oddity on my 2008.05 box today.
Created a new zfs file system that I was planning to nfs share out to an old
FreeBSD box, after I put sharenfs=on for it, I noticed there was a bunch of
others shared too:

-bash-3.2# dfshares -F nfs
RESOURCE                                  SERVER ACCESS    TRANSPORT
    reaver:/store/movies                  reaver  -         -
    reaver:/export                        reaver  -         -
    reaver:/store/tv                      reaver  -         -

Which is strange because I never turned it on for them...I don''t know
if they were shared before that point already...hadn''t checked before.
They are all smb shared though.

-bash-3.2# zfs list -o name,sharenfs,sharesmb
NAME                                SHARENFS  SHARESMB
...
rpool/export                        off       name=export
store/movies                        off       name=Movies
store/tv                            off       name=TV

I tested from a different server on my lan, and I can definitely mount and read
from those via nfs too.
/etc/dfs/dfstab has no entries.

If I tell them to turn it off again, they disappear from the share list:
-bash-3.2# zfs set sharenfs=off store/tv
-bash-3.2# zfs set sharenfs=off store/movies
-bash-3.2# zfs set sharenfs=off rpool/export
-bash-3.2# dfshares
-bash-3.2#

Then re-share the one I actually want to nfs export:
-bash-3.2# zfs set sharenfs=on store/overlord2

For a moment it''s correct:
-bash-3.2# dfshares
RESOURCE                                  SERVER ACCESS    TRANSPORT
    reaver:/store/overlord2               reaver  -         -

But if I kill mountd (letting smf restart it)
-bash-3.2# ps -ef | grep mount
    root  1343     1   0 19:54:38 ?           0:00 /usr/lib/autofs/automountd
    root  1345  1343   0 19:54:38 ?           0:00 /usr/lib/autofs/automountd
    root  1402  1081   0 20:12:56 pts/3       0:00 grep mount
    root  1335     1   0 19:54:33 ?           0:00 /usr/lib/nfs/mountd
-bash-3.2# kill 1335
-bash-3.2# dfshares
RESOURCE                                  SERVER ACCESS    TRANSPORT
    reaver:/store/overlord2               reaver  -         -
    reaver:/store/movies                  reaver  -         -
    reaver:/export                        reaver  -         -
    reaver:/store/tv                      reaver  -         -

Any ideas whats happening here? Am I doing something stupid somewhere?
Are sharesmb & sharenfs tied together somehow or can they be separated?

Cheers,
-Martin.
 
 
This message posted from opensolaris.org

Martin Gisch wrote:
> I noticed an oddity on my 2008.05 box today.
> Created a new zfs file system that I was planning to nfs share out to an
old FreeBSD box, after I put sharenfs=on for it, I noticed there was a bunch of
others shared too:
> 
> -bash-3.2# dfshares -F nfs
> RESOURCE                                  SERVER ACCESS    TRANSPORT
>     reaver:/store/movies                  reaver  -         -
>     reaver:/export                        reaver  -         -
>     reaver:/store/tv                      reaver  -         -
> 
Can you show the output of:  "sharemgr show -vp"

This may be a bug that has already been fixed in sharemgr.
> Which is strange because I never turned it on for them...I don''t
know if they were shared before that point already...hadn''t checked
before. They are all smb shared though.
> 
> -bash-3.2# zfs list -o name,sharenfs,sharesmb
> NAME                                SHARENFS  SHARESMB
> ...
> rpool/export                        off       name=export
> store/movies                        off       name=Movies
> store/tv                            off       name=TV
> 
Can you list you complete pool hierarchy and the complete listing for 
sharenfs and sharesmb.
> I tested from a different server on my lan, and I can definitely mount and
read from those via nfs too.
> /etc/dfs/dfstab has no entries.
> 
> If I tell them to turn it off again, they disappear from the share list:
> -bash-3.2# zfs set sharenfs=off store/tv
> -bash-3.2# zfs set sharenfs=off store/movies
> -bash-3.2# zfs set sharenfs=off rpool/export
> -bash-3.2# dfshares
> -bash-3.2#
> 
> Then re-share the one I actually want to nfs export:
> -bash-3.2# zfs set sharenfs=on store/overlord2
> 
> For a moment it''s correct:
> -bash-3.2# dfshares
> RESOURCE                                  SERVER ACCESS    TRANSPORT
>     reaver:/store/overlord2               reaver  -         -
> 
> But if I kill mountd (letting smf restart it)
> -bash-3.2# ps -ef | grep mount
>     root  1343     1   0 19:54:38 ?           0:00
/usr/lib/autofs/automountd
>     root  1345  1343   0 19:54:38 ?           0:00
/usr/lib/autofs/automountd
>     root  1402  1081   0 20:12:56 pts/3       0:00 grep mount
>     root  1335     1   0 19:54:33 ?           0:00 /usr/lib/nfs/mountd
> -bash-3.2# kill 1335
> -bash-3.2# dfshares
> RESOURCE                                  SERVER ACCESS    TRANSPORT
>     reaver:/store/overlord2               reaver  -         -
>     reaver:/store/movies                  reaver  -         -
>     reaver:/export                        reaver  -         -
>     reaver:/store/tv                      reaver  -         -
> 
> Any ideas whats happening here? Am I doing something stupid somewhere?
> Are sharesmb & sharenfs tied together somehow or can they be separated?
> 
those are separate properties and don''t depend on one another.
> Cheers,
> -Martin.
>  
>  
> This message posted from opensolaris.org
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> zfs-discuss mailing list
> zfs-discuss at opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Hi Mark,

Sharemgr output:

-bash-3.2# sharemgr show -vp
default nfs=()
smb smb=()
zfs
    zfs/rpool/export smb=()
          export=/export
    zfs/store/movies smb=()
          Movies=/store/movies
    zfs/store/overlord2 nfs=() smb=()
          overlord2=/store/overlord2
    zfs/store/tv smb=()
          TV=/store/tv
-bash-3.2#

Full zfs list:
-bash-3.2# zfs list -o name,sharenfs,sharesmb
NAME                                SHARENFS  SHARESMB
rpool                               off       off
rpool at install                       -         -
rpool/ROOT                          off       off
rpool/ROOT at install                  -         -
rpool/ROOT/opensolaris              off       off
rpool/ROOT/opensolaris at install      -         -
rpool/ROOT/opensolaris/opt          off       off
rpool/ROOT/opensolaris/opt at install  -         -
rpool/export                        off       name=export
rpool/export at install                -         -
rpool/export/home                   off       off
rpool/export/home at install           -         -
store                               off       off
store/backup                        off       off
store/movies                        off       name=Movies
store/overlord2                     rw        name=overlord2
store/tv                            off       name=TV
-bash-3.2#

Thanks,
-M.
 
 
This message posted from opensolaris.org