[Samba] msdfs root -- client error "refers to a location
thatisunavailable"
TEXIER David
d.texier at galitt.com
Sat Mar 15 12:32:34 GMT 2008
Hi,
I have a msdfs samba root on a Centos server , authentication with winbind +
Active Directory in a windows domain.
Everything is working fine and it's true you have to reboot your XP computer
to be sure to reach the dfs root.
On my Xp client , i see the links in the msdfs root as dfs folders (in the
windows explorer)
My problem wich seems to be like yours :
If a take the same XP client connected via a ssh connection ( i use the port
forwarding option for the samba port 139) then i can't access the dfs root
(though i can reach the shares with no problem) and on the Windows explorer,
the dfs links are no more recognised as dfs folders and i can't connect .
In my samba log i also have the path does not exist error.
If i open a full vpn connection (not only the ssh port forwarding for the
port 139) then evrything is working again, the dfs links are recognised as
dfs folders in windows explorer.
Your problem and mine is something around there.
An authentification problem and then the XP client doesn't understand he is
facing a dfs link .
Is there a way to fix this ??
To tell XP to always consider such a place in the network as a dfs share ??
I tried the xp patched dealing with dfs but nothing changed?
Anyone can help ?
Reagrds
David
----- Original Message -----
From: "Paul B. Henson" <henson at acm.org>
To: <samba at lists.samba.org>
Sent: Friday, March 14, 2008 11:43 PM
Subject: Re: [Samba] msdfs root -- client error "refers to a location
thatisunavailable"
>
> I still haven't been able to figure this out; and haven't seen any
> responses to my inquiry. One of my colleagues wanted to host the Dfs root
> on an actual Windows server, which seems to work fine. I was hoping to
> keep
> an all Samba solution, but I guess I will have to let him have his way.
>
> Clearly samba Dfs root support works for some people; it is rather
> frustrating that it's not working here for no apparent reason.
>
>
> On Tue, 11 Mar 2008, Paul B. Henson wrote:
>
>> I'm trying to get Samba 3.0.28 to work as an MS Dfs root providing a
>> share that links home directories to the actual servers they reside on.
>>
>> Unfortunately, when I access the share from a Windows XP client, and try
>> to open one of the directories, the client gives an error that it "refers
>> to a location that is unavailable".
>>
>> I've done a lot of searching, and found a number of similar issues
>> raised, but sadly no real resolutions.
>>
>> Samba was attached to our active directory domain with "net ads join",
>> which worked perfectly and authentication seems fine.
>>
>> My configuration is as follows:
>>
>> -----
>> [global]
>> allow trusted domains = no
>> deadtime = 10
>> debug pid = yes
>> disable netbios = yes
>> lanman auth = no
>> load printers = no
>> log level = 1
>> map archive = no
>> name resolve order = host
>> passdb backend = tdbsam
>> realm = WIN.CSUPOMONA.EDU
>> restrict anonymous = 2
>> security = ads
>> server signing = auto
>> show add printer wizard = no
>> smb ports = 445
>> workgroup = WIN
>> max log size = 512000
>>
>> [user]
>> msdfs root = yes
>> path = /var/lib/samba/shares/user
>> -----
>>
>> I'm only running smbd, not nmbd, as I don't want to use NetBIOS naming.
>> The
>> server is being accessed with a fully qualified name
>> '\\files.unx.csupomona.edu\user'.
>>
>> In the configured share directory, I made a symbolic link as documented:
>>
>> lrwxrwxrwx 1 root root 35 Mar 10 16:26 henson ->
>> msdfs:zfs1.unx.csupomona.edu\henson
>>
>>
>> I'm pretty sure the Samba configuration itself is okay, accessing the
>> share
>> with smbclient works correctly and appropriately follows the link.
>>
>>
>> With debugging enabled, I also see the following message logged:
>>
>> [2008/03/11 15:10:29, 5, pid=28793] smbd/msdfs.c:is_msdfs_link(337)
>> is_msdfs_link: ./henson -> msdfs:zfs1.unx.csupomona.edu\henson
>>
>>
>> When I try to access it from a Windows client though, I do see this in
>> the
>> debug log:
>>
>> [2008/03/11 15:16:19, 5, pid=28904]
>> smbd/trans2.c:get_lanman2_dir_entry(1215)
>> get_lanman2_dir_entry: Masquerading msdfs link ./henson as a directory
>>
>>
>> I'm not sure that's normal, but seems odd. I'm not sure what all to
>> attach
>> from the debug log, it is rather large. The following seems associated
>> with
>> that request though:
>>
>>
>> size=86
>> smb_com=0x32
>> smb_rcls=0
>> smb_reh=0
>> smb_err=0
>> smb_flg=24
>> smb_flg2=51207
>> smb_tid=1
>> smb_pid=3264
>> smb_uid=103
>> smb_mid=2432
>> smt_wct=15
>> smb_vwv[ 0]= 18 (0x12)
>> smb_vwv[ 1]= 0 (0x0)
>> smb_vwv[ 2]= 10 (0xA)
>> smb_vwv[ 3]=16384 (0x4000)
>> smb_vwv[ 4]= 0 (0x0)
>> smb_vwv[ 5]= 0 (0x0)
>> smb_vwv[ 6]= 0 (0x0)
>> smb_vwv[ 7]= 0 (0x0)
>> smb_vwv[ 8]= 0 (0x0)
>> smb_vwv[ 9]= 18 (0x12)
>> smb_vwv[10]= 68 (0x44)
>> smb_vwv[11]= 0 (0x0)
>> smb_vwv[12]= 0 (0x0)
>> smb_vwv[13]= 1 (0x1)
>> smb_vwv[14]= 1 (0x1)
>> smb_bcc=21
>>
>>
>> I think the following messages correspond to the error I am receiving
>> from
>> the client:
>>
>>
>> [2008/03/11 15:16:26, 3, pid=28904]
>> smbd/trans2.c:call_trans2qfilepathinfo(3292)
>> call_trans2qfilepathinfo: SMB_VFS_STAT of henson failed (No such file
>> or
>> directory)
>> [2008/03/11 15:16:26, 3, pid=28904] smbd/error.c:unix_error_packet(56)
>> unix_error_packet: error string = No such file or directory
>> [2008/03/11 15:16:26, 3, pid=28904] smbd/error.c:error_packet_set(106)
>> error packet at smbd/trans2.c(3293) cmd=50 (SMBtrans2)
>> NT_STATUS_OBJECT_NAME_NOT_FOUND
>>
>> I think these are the flags relevant to that transaction:
>>
>> size=90
>> smb_com=0x32
>> smb_rcls=0
>> smb_reh=0
>> smb_err=0
>> smb_flg=24
>> smb_flg2=51207
>> smb_tid=1
>> smb_pid=3264
>> smb_uid=103
>> smb_mid=3841
>> smt_wct=15
>> smb_vwv[ 0]= 22 (0x16)
>> smb_vwv[ 1]= 0 (0x0)
>> smb_vwv[ 2]= 2 (0x2)
>> smb_vwv[ 3]= 40 (0x28)
>> smb_vwv[ 4]= 0 (0x0)
>> smb_vwv[ 5]= 0 (0x0)
>> smb_vwv[ 6]= 0 (0x0)
>> smb_vwv[ 7]= 0 (0x0)
>> smb_vwv[ 8]= 0 (0x0)
>> smb_vwv[ 9]= 22 (0x16)
>> smb_vwv[10]= 68 (0x44)
>> smb_vwv[11]= 0 (0x0)
>> smb_vwv[12]= 0 (0x0)
>> smb_vwv[13]= 1 (0x1)
>> smb_vwv[14]= 5 (0x5)
>> smb_bcc=25
>>
>>
>> Any ideas what's going on? In previous postings regarding this type of
>> problem, it sounds like the Windows client is somewhat nondeterministic
>> in
>> whether or not it is willing to treat a given share as a DFS root?
>>
>> Any suggestions for additional debugging data that might be provided to
>> further isolate the issue?
>>
>> Thanks much for any assistance...
>>
>>
>>
>
> --
> Paul B. Henson | (909) 979-6361 | http://www.csupomona.edu/~henson/
> Operating Systems and Network Analyst | henson at csupomona.edu
> California State Polytechnic University | Pomona CA 91768
> --
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