[Samba] Files That Constantly Change
cody.jarrett at itfreedom.com
Tue Sep 25 04:20:34 GMT 2007
Fstab has "defaults" for all the mounts. The hard drives are just
maxtor drives in a raid 1 with a 3ware card, similar setup at other
locations. This server is the only server at the site and is the pdc,
the workstations are joined to the domain. Here is the global section.
Server role: ROLE_DOMAIN_PDC
Press enter to see a dump of your service definitions
# Global parameters
workgroup = DOMAIN
netbios name = SERVER
server string = Samba Server
interfaces = eth0, 127.0.0.1/8
passdb backend = ldapsam:ldap://localhost
log level = 1
log file = /var/log/samba/%m_%U.log
max log size = 2048
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
load printers = No
add user script = /usr/sbin/smbldap-useradd -a -m -c '%u' '%u'
delete user script = /usr/sbin/smbldap-userdel %u
add group script = /usr/sbin/smbldap-groupadd -p '%g'
delete group script = /usr/sbin/smbldap-groupdel '%g'
add user to group script = /usr/sbin/smbldap-groupmod -m '%
delete user from group script = /usr/sbin/smbldap-groupmod -
x '%u' '%g'
set primary group script = /usr/sbin/smbldap-usermod -g '%g'
add machine script = /usr/sbin/smbldap-useradd -w '%u'
logon script = logon.bat
logon path =
logon drive = H:
domain logons = Yes
os level = 65
preferred master = Yes
domain master = Yes
wins support = Yes
ldap admin dn = cn=root,dc=domain,dc=org
ldap group suffix = ou=Groups
ldap machine suffix = ou=People
ldap suffix = dc=domain,dc=org
ldap ssl = no
ldap user suffix = ou=People
idmap backend = ldap:ldap://localhost
idmap uid = 16777216-33554431
idmap gid = 16777216-33554431
inherit permissions = Yes
hosts allow = 127., 10.3.43.
hide dot files = No
On Sep 24, 2007, at 5:23 PM, Adam Tauno Williams wrote:
>> Does anybody have any tuning tips for a samba 3.0.23 server that is
>> acting as a PDC with ldap backend and file server. The problem I'
>> having is a certain program runs in XP workstations that accesses
>> files on one of the shares, it apparently opens lots of files and is
>> constantly making changes to them. When I run top, I see each smbd
>> process for each workstations is consuming about 30% of the cpu and
> This can be the result of many issues include types of drives, drive
> controller, and network card driver. Using the correct filesystem
> helps, and setting noatime on the mount may help a great deal as well
> (atime is just stupid).
>> there are 3 workstations, the owner for the processes is the domain
>> user logged onto the workstation. I have the same setup at a
>> different site running samba 3.0.10 with just a smbpasswd backend and
>> each workstation consumes about 2% of the cpu at most. These are in
>> the samba logs for the workstation and are constantly being output:
> Is this server the PDC or a member? If it is a PDC is ldapsam trusted
> enabled? That can be a huge win if your configuration meets the
> requirements. If it is a member are you using winbind or NSS?
>> [2007/09/21 10:17:47, 3] smbd/process.c:process_smb(1091)
>> Transaction 17604 of length 150
>> [2007/09/21 10:17:47, 3] smbd/process.c:switch_message(886)
>> switch message SMBtrans2 (pid 4972) conn 0x80b9b50
>> [2007/09/21 10:17:47, 3] smbd/trans2.c:call_trans2findfirst(1359)
>> call_trans2findfirst: dirtype = 22, maxentries = 1366,
>> close_after_first=1, close_if_end = 1 requires_resume_key = 1 level =
>> 0x104, max_data_bytes = 16384
>> [2007/09/21 10:17:47, 3] smbd/dir.c:dptr_create(491)
>> creating new dirptr 256 for path Share, expect_close = 1
> Adam Tauno Williams, Network & Systems Administrator
> Consultant - http://www.whitemiceconsulting.com
> Developer - http://www.opengroupware.org
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