[Samba] Performace problems

[Joseph L. Marnett]

I have Samba 2.2 running on a SCO UNIX 5.0.7
My Problem: The file transfer performance is slow and gets worse as more
users log in.
At times, if two users open the same file at the same time they may get
hang.
AS follows is the configuration of the smb.conf file
Any help will be greatly appreciated.
Thanks

[global]

   workgroup = HOMECARE
   netbios name = NEWSYS
   server string = Samba Server
;   hosts allow = 192.168.1. 192.168.2. 127.
   printcap name = lpstat
   load printers = yes
   printing = sysv
   guest account = pcguest
   log file = /var/log/samba.d/log.%m
   max log size = 50
   security = share
   encrypt passwords = yes
   smb passwd file = /etc/smbpasswd
   socket options = IPTOS_LOWDELAY TCP_NODELAY SO_RCVBUF=20480
SO_SNDBUF=20480
   read raw = no
   write raw = yes
   interfaces = net0
   os level = 20
   wins server = 64.89.70.2
   dns proxy = no
   debuglevel = 1


#============================ Share Definitions
==============================
[homes]
   comment = Home Directories
   browseable = no
   writable = yes

[printers]
   comment = All Printers
   path = /var/spool/samba
   browseable = no

   guest ok = yes
   writable = no
   printable = yes


[guishare]
    comment = development share
    path = /hcrigui
    public = yes
    writable = yes
    printable = no


[binshare]
    comment = bin share
    path = /usr/bin
    public = yes
    writable = yes
    printable = no

[ushare]
    comment = /u share
    path = /u
    public = yes
    writable = yes
    printable = no

[usrshare]
    comment = /usr share
    path = /usr
    public = yes
    writable = yes
    printable = no

[ClientTracking]
    comment = Share for the tracking system
    path = /ClientTracking
    public = yes
    writable = yes
    printable = no
    oplocks = yes
    level2 oplocks = yes


[techsheets]
    comment = Tech Sheets
    path = /usr/local/techsheet
    public = yes
    guest only = yes
    writable = yes
    printable = no

[Rolodex]
    comment = Rolodex program to keep address
    path = /usr/local/solodex
    public = yes
    guest only = yes
    writable = yes
    printable = no



Joseph L. Marnett
Director of MIS
Home Care Software Solutions, Inc.
9500 S. Dadeland Blvd.
Miami, FL 33156
Ph: 786.433.4700
Fax: 786.433.4711