[Samba] LDAP Change, file browsing pause
Tom Kurtz
tom.kurtz at gmail.com
Mon Dec 4 19:44:49 GMT 2006
After switching from Netscape LDAP to OpenLDAP, file browsing has a random
10-20 second pause or hesitation when opening explorer or File->Open dialog
boxes. After the initial pause, the directory browsing runs lightning fast.
The pause cannot be consistently recreated, but occurs often at random
times throughout the day. This occurs after the users' machines have been
idle (or share has been idle) for 10 minutes or greater. Sometimes a
machine can sit for hours and have no pause. There are no errors being
generated by samba, and nothing ever times out, but there is a definate
random lengthy pause. The system was running great before the LDAP change
with several thousand users. The only statement that changed in the samba
config was the ldap address. I am not the admin for the LDAP system so I
cannot post the config. Any comments or tips would be greatly appreciated.
Environment:
Servers: RHEL4
SAMBA Ver: 3.0.8
12 SAMBA servers with 300 to 6000 users each, spread in different LANS
1 Central LDAP system
Pertinent smb.conf entries:
[global]
workgroup = xxxxx
server string = Administration Server
obey pam restrictions = Yes
passdb backend = ldapsam:ldap://xxxxxxxxx
algorithmic rid base = (different for each server)
passwd program = /usr/bin/passwd %u
unix password sync = Yes
log file = /var/log/samba/%m.log
smb ports = 139
time server = Yes
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
load printers = No
logon script = USERS/%u.bat
logon path =
logon drive = F:
domain logons = Yes
os level = 65
preferred master = Yes
domain master = Yes
dns proxy = No
wins support = Yes
ldap admin dn = cn=xxxxxxxxxxxxxx
ldap group suffix = ou=Groups
ldap machine suffix = ou=People
ldap suffix = dc=xxxxxxx,dc=xxxxxx
ldap ssl = no
ldap user suffix = ou=People
Thanks!
TOM
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