[Samba] win bind extremely slow after Upgrade to 4.2
Oliver Werner
oliver.werner at kontrast.de
Wed Apr 27 07:36:01 UTC 2016
Hi,
we have upgrade an Samba Member (DCs already upgraded) from Samba 4.1.17 to Samba 4.2.10.
On DCs work fine after install winbind.
But our member extremely slow.
Connect to the Share takes 2-3 minutes and directory listing need 2-5 minutes.
wbinfo -u takes around 20 seconds and will not return output
wbinfo -g takes 3 seconds and show my groups
id user.name takes 20 seconds and shows information of the user and its groups
smb.conf for samba member:
[global]
netbios name = PL0024
security = ADS
workgroup = HQKONTRAST
realm = hq.kontrast
log file = /var/log/samba/%m.log
log level = 1
dedicated keytab file = /etc/krb5.keytab
kerberos method = secrets and keytab
winbind refresh tickets = yes
winbind trusted domains only = no
winbind use default domain = yes
winbind enum users = yes
winbind enum groups = yes
winbind cache time = 60
# Default idmap config used for BUILTIN and local accounts/groups
idmap config *:backend = tdb
idmap config *:range = 500-1023
# idmap config for domain HQKONTRAST
idmap config HQKONTRAST:backend = ad
idmap config HQKONTRAST:schema_mode = rfc2307
idmap config HQKONTRAST:range = 1024-99999
# Use settings from AD for login shell and home directory
winbind nss info = rfc2307
smb.conf DC:
[global]
workgroup = HQKONTRAST
realm = HQ.KONTRAST
netbios name = VL0227
server role = active directory domain controller
idmap_ldb:use rfc2307 = yes
interfaces = eth0:35 eth0:38
bind interfaces only=yes
log level = 3
ldap server require strong auth = no
tls enabled = yes
tls keyfile = /var/lib/samba/private/tls/key.pem
tls certfile = /var/lib/samba/private/tls/cert.pem
tls cafile = /var/lib/samba/private/tls/ca.pem
[netlogon]
path = /var/lib/samba/sysvol/hq.kontrast/scripts
read only = No
[sysvol]
path = /var/lib/samba/sysvol
read only = No
OLIVER WERNER
Systemadministrator
Kontrast Communication Services GmbH
Grafenberger Allee 100, 40237 Düsseldorf, Germany
Fon +49-211-91505-500
Fax +49-211-91505-530
www.kontrast.de <http://www.kontrast.de/>
Amtsgericht Düsseldorf: HRB 26934
Geschäftsführer: Joachim Fischer, Anja Grote-Lutter, Leontine van der Vlist
<https://www.facebook.com/kontrast.communication> <https://twitter.com/KONTRAST_de> <http://www.xing.com/companies/kontrastcommunicationservicesgmbh> <http://www.linkedin.com/company/kontrast-communication-services-gmbh> <https://vimeo.com/kontrastcs> <http://instagram.com/kontrast_de>
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