[Samba] Samba3 shares cannot be mounted on linux box uisng cifs command , error "CIFS VFS: cifs_mount failed w/return code = -13"
Mario Pio Russo
mariopiorusso at ie.ibm.com
Tue Jul 14 17:19:34 UTC 2015
Thanks Rowland!
few answers to your question:
1) I used the samba-tool domain classicupgrade to "migrate" the domain for
the pdc to a new Ubuntu server with sernet-samba-4.2.2
2) on the DC, I have configured the service to use the old winbind, as
that's just enaugh for our domain and it looked more stable during the test
phasethe smb.conf of the DC is the following:
[global]
workgroup = CCDC
realm = CCDC.LAN
netbios name = CCDC-SAMBA4-DC1
server role = active directory domain controller
idmap_ldb:use rfc2307 = yes
server services = -winbindd +winbind
dns forwarder = 9.0.138.50
#server services = -winbindd +winbind
idmap config CCDC:backend = ad
idmap config CCDC:schema_mode = rfc2307
idmap config CCDC:range = 10000-40000
# Store UIDs/GIDs for all other domains (including local
# accounts/groups of this server) in a tdb file
idmap config *:backend = tdb
idmap config *:range = 2000-9999
# Use home directory and shell information from AD
winbind nss info = rfc2307
tls enabled = yes
tls keyfile = tls/myKey.pem
tls certfile = tls/myCert.pem
tls cafile =
[netlogon]
path = /var/lib/samba/sysvol/ccdc.lan/scripts
read only = No
[sysvol]
path = /var/lib/samba/sysvol
read only = No
3) I will remove the password server as you suggested , thanks
4) the server is present in the domain, and getent group and getent passwd
works correctlly, however it was NOT joined with net ads join, but with net
rpc join, could this make the difference? as I am currentlly thinking of
removing the server from the domain, configure kerberos-workstation and try
the net ads join, what do you think?
again thanks for the help
___________________________________________________________________________________________
Mario Pio Russo, System Admin SWG IT Services Dublin, Phone & FAX: +353 1
815 2236, eMail: mariopiorusso at ie.ibm.com
IBM Ireland Product Distribution Limited registered in Ireland with number
92815. Registered Office: IBM House, Shelbourne Road, Ballsbridge, Dublin 4
(Embedded image moved to file: pic02723.gif)
From: Rowland Penny <rowlandpenny241155 at gmail.com>
To: samba at lists.samba.org
Date: 14/07/2015 17:50
Subject: Re: [Samba] Samba3 shares cannot be mounted on linux box uisng
cifs command , error "CIFS VFS: cifs_mount failed w/return code
= -13"
Sent by: "samba" <samba-bounces at lists.samba.org>
On 14/07/15 16:49, Mario Pio Russo wrote:
>
> Good Day All
>
> I have a problem for our main fileserver base don samba 3.5.6
>
> Let's give a bit of pregress first. We had a samba 3.5.6 installation
which
> was acting as a PDC for our internal domian called CCDC. On a sapearate
> machine, we had another installation of samba 3.5.6 to act just as file
> share server.
>
> All was working ok, till I upgraded the PDC form samba 3.5.6 to samba
> 4.2.2 , using the classicupgrade.
Do you mean you upgraded an NT4 PDC via 'samba-tool domain
classicupgrade' to an AD DC ?
>
> Now I am able to access the shares from the windows boxes added to the
CCDC
> domain, but when I try to mount a cifs share form a linux box, then I get
> the following error:
>
>
> mount.cifs -o
>
username=mariopio,domain=CCDC //seadog.mul.ie.ibm.com/scrap/4mario /media/
> Password:
> mount error(13): Permission denied
> Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
>
> form dmesg I can see the following error:
>
> CIFS VFS: cifs_mount failed w/return code = -13
>
Your user is not known.
> the smb.conf of the file server is the following:
>
>
> root at seadog:/etc/samba# cat smb.conf
> [global]
>
> write cache size = 131072
>
> vfs objects = full_audit
> full_audit:prefix = %u,%I,%m,%S
> # removed this, so we only log failures.
> # however will keep it here commented it out for future reference
>
> #full_audit:success = mkdir rename unlink rmdir open chown chmod
> connect readlink
> full_audit:failure = mkdir rename unlink rmdir open chown chmod
> connect readlink
> full_audit:facility = local7
> full_audit:priority = NOTICE
>
>
> server string = CSI Samba Server
> workgroup = CCDC
> netbios name = SEADOG
> realm = CCDC.LAN
> security = ads
> #security = domain
> wins server = 9.161.96.220
> server signing = mandatory
> password server = 9.161.96.220
password server shouldn't be set, let samba find it itself.
>
> map untrusted to domain = yes
>
> wins support = no
> wins proxy = no
> dns proxy = no
> name resolve order = wins host bcast
>
> winbind use default domain = yes
>
> winbind uid = 10000-20000
> winbind gid = 10000-20000
> winbind cache time = 15
> winbind enum users = yes
> winbind enum groups = yes
>
> # This is needed, a fake home folder so that users are able to ftp
> # this folder is empty but exists, do a getent passwd to see what
I
> mean
> template homedir = /home/winbind
>
> local master = no
> domain master = no
>
> # To o with ACL mapping to windows
> #
> dos filemode = Yes
> acl group control = Yes
> acl map full control = Yes
> map acl inherit = Yes
>
> guest account = nobody
> invalid users = root daemon bin sys sync games man lp mail news
uucp
> proxy www-data backup list irc gnats Debian-exim sshd ntpd
>
> log file = /var/log/samba/log.%m
> log level = 3
>
> max log size = 2000
> syslog = 0
>
> # using these options copied from clearcase.
> # back in the day we did research these to death
> #
> # socket options = SO_RCVBUF=8192 SO_SNDBUF=8192 SO_KEEPALIVE
> IPTOS_LOWDELAY TCP_NODELAY
> socket options = SO_RCVBUF=262144 SO_SNDBUF=262144 SO_KEEPALIVE
> IPTOS_LOWDELAY TCP_NODELAY
>
> # This disables print options
> # we are not a print server
> #
> load printers = No
> disable spoolss = Yes
>
> smb ports = 139
>
> # every mount from the SAN has a lost+found folder
> # to avoid user confusion, have set this to hidden
> #
> hide files = /lost+found/
>
> aio read size = 1
> aio write size = 1
> follow symlinks = no
>
>
>
> [scrap]
> comment = ICS - CSI general scrap Area
> path = /export/ICS/CSI/scrap
> valid users = @"Domain Users"
> force create mode = 750
> force directory mode = 740
> writeable = Yes
> browseable = Yes
>
>
>
>
> note that on this fileserver nothing was touched during the
classiupgrade,
> a part the following parameters of the smb.conf
Well, it probably should have been :-)
>
> realm = CCDC.LAN
> security = ads
> wins server = 9.161.96.220
>
> password server = 9.161.96.220
>
>
>
> I have tried already different Linux machine with different distribution
> and I always get the same error, I have also tried to add the parameter
> "sec=ntlm or ntlmi " but hasn't changed much.
>
> Note that for some historical reason, this file server has NOT a kerbero
> workstation installation and was joined to the CCDC domain using net rpc
> join instead of net ads join, could this be a problem?
It would seem the domain has been upgraded to AD and your fileserver may
require joining to the new domain, but it is more likely to be something
to do with the winbindd changes that came in with 4.2.0, see here:
https://www.samba.org/samba/history/samba-4.2.0.html
Rowland
> any help is much appreciated!!!!
>
>
> thanks
>
___________________________________________________________________________________________
>
> Mario Pio Russo, System Admin SWG IT Services Dublin, Phone & FAX: +353 1
> 815 2236, eMail: mariopiorusso at ie.ibm.com
> IBM Ireland Product Distribution Limited registered in Ireland with
number
> 92815. Registered Office: IBM House, Shelbourne Road, Ballsbridge, Dublin
4
>
> (Embedded image moved to file: pic44465.gif)
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