[Samba] Problem with performance since replacing mainserver

[Richmond Dyes]

Last week I lost my main samba server on my network. It was a domain 
server with 20 users on it and it was working like a champ till it lost 
its main drive.  I was backing up the data and pertinent config files on 
a "backup server". This server was not a backup domain server. I was 
just storing data and these files on it. The files consisted of passwd, 
group, shadow, smb.conf, secrets.tdb smbusers and smbpasswd. I copied 
all these files in the right places in /etc and /etc/samba and then had 
to rebuild my windows groups using net groupmap modify. I used rsync to 
mirror the servers so the permissions and file locations were the same 
as the original server.  When I brought the "backupserver" up as the 
mainserver, I had to have each user rejoin the domain.  But since I have 
done this, the performance has be horrible.  I know I have probably 
messed up some important tdb files.  here is my smb.conf below. Any help 
would be appreciated.

# Global parameters
[global]
   log level = 3
   log file = /var/log/smb.log
   workgroup = Keysystems
   netbios name = mainserver
   encrypt passwords = Yes
   username map = /etc/samba/smbusers
   passdb backend = tdbsam, smbpasswd
   server string = ""
   Domain master = Yes
   local master = Yes
   preferred master = Yes
   os level = 65
   time server = Yes
   domain logons = Yes
   logon path = \\%L\profiles\%U
   logon script = logon.bat
   logon drive = H:
   add user script = /usr/sbin/useradd -d /data/home/%u %u
   delete user script = /usr/sbin/userdel -r %u
   add group script = /usr/sbin/groupadd %g
   delete group script = /usr/sbin/groupdel %g   
   add user to group script = /usr/sbin/usermod -G %g %u
   add machine script = /usr/sbin/useradd -d /dev/null -g 529 -s 
/bin/false -M %u
   browsable = Yes
   oplocks = No
   level2 oplocks = No
   security = user
   lock spin count = 30
   socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
   passwd chat = *New*Password* %n\n *Re-enter*new*password* %n\n 
*Password*changed*
   unix password sync = yes
   passwd program = /usr/bin/passwd %u
   wins support = yes
   name resolve order = wins lmhosts hosts bcast

[netlogon]
   path = /data/netlogon
   guest ok = Yes
   browseable = Yes
[profiles]
   path = /data/profiles
   browseable = Yes
   read only = no
   create mask = 600
   directory mask = 700
   profile acls = yes
[home]   
   browsable = yes
   read only = No
   writable = Yes
   path = /data2/home/%u
   create mask = 0664
   directory mode = 0774
   force group = everyuser

[sbt]
   read only = No
   writable = Yes
   valid users = @sbt
   path = /data/sbt
   browsable = yes
   force group = sbt
   force user = geckerdt
   create mask = 664
   force directory mode = 774
[act]
   read only = No
   writable = Yes
   valid users = @act
   path = /data/act
   browsable = yes
   force group = act
   force user = geckerdt
   create mask = 664
   force directory mode = 774
[sharedir]
   read only = No
   writable = Yes
   valid users = @shared
   path = /data/shareddir
   browsable = yes
   force group = shared
   create mask = 0664
   directory mode = 0774
[testdir]
  
   read only = No
   writable = Yes
   valid users = @shared
   path = /data/test
   browsable = yes
   force group = shared
   create mask = 0664
   directory mode = 0774

[everyuser]
   read only = No
   writable = Yes
   valid users = @everyuser
   path = /data2/home
   force group = everyuser
   browsable = yes
   create mask = 0664
   directory mode = 0774
[webpages]
   readonly = No
   writable = Yes
   valid users = @keysys
   path = /www
   force group = keysys
   force user = keysys
   create mask = 0664
   directory mode = 0775   

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