What environment are you doing this in? In other words, is this over a
wireless connection to a remote site? Perhaps something else?
As a general rule of thumb, SMB is a MUCH less efficient protocol than
others such as FTP. In a near perfect world (i.e. a controlled real
world setting), I've found SMB to be between 35% and 45% as fast as FTP.
This was independent of operating system.
If you are doing SMB over a wireless link, it can be even worse if you
have a problematic wireless connection that requires lots of
retransmits. I'm betting you are doing this over wireless and you've got
some serious interference or other issues going on. Am I even close?
Roberto su tiscali wrote:
Thats the diagnosis:
transfering the same file via smb, scp and ftp I got big speed
differences.
SMB:
file : 1Gb, transfer rate 15-35 kb/s
SCP:
file : 1Gb, transfer rate 360-780 kb/s
FTP:
file : 1Gb, transfer rate 360-780 kb/s
Why is via smb so slow?
Attachment is my own smb:conf, the same that's on air.
[global]
workgroup = NO1KNOWS
netbios name = PBT
server string = Samba %v, File server
; wins support = no
; wins server = w.x.y.z
dns proxy = no
os level = 64
; name resolve order = lmhosts host wins bcast
log file = /var/log/samba/log.%m
max log size = 50
; syslog only = no
syslog = 0
panic action = /usr/share/samba/panic-action %d
####### Authentication #######
security = user
encrypt passwords = yes
passdb backend = tdbsam guest
obey pam restrictions = yes
; guest account = nobody
invalid users = root
unix password sync = yes
passwd program = /usr/bin/passwd %u
passwd chat = *Enter\snew\sUNIX\spassword:* %n\n
*Retype\snew\sUNIX\spassword:* %n\n .
; pam password change = no
socket options = TCP_NODELAY IPTOS_LOWDELAY SO_SNDBUF=8192
SORCVBUF=8192
local master = yes
domain master =yes
#Other stuff ;-))
domain logons = yes
hosts allow = 127.0.0.1 192.168.1.0/255.255.255.0
192.168.2.0/255.255.255.0 192.168.3.0/255.255.255.0
logon home = \\%L\%U\.profile
logon path = \\%L\profile\%U
logon drive = H:
logon script = netlogon.bat
[homes]
comment = Home Directories
browseable = no
writable = yes
create mask = 0700
directory mask = 0700
[profile]
path = /home/samba/profile
writable = yes
browsable = no
create mask = 600
directory mask = 700
# Un-comment the following and create the netlogon directory for
Domain Logons
# (you need to configure Samba to act as a domain controller too.)
[netlogon]
comment = Network Logon Service
path = /home/samba/netlogon
read only = yes
write list = @admin
guest ok = no
writable = no
share modes = no
browsable = no
[Tutto]
path = /mnt/
writable = yes
directory mask = 0754
browseable = yes
# read only = yes
guest ok = yes
[Condivisa]
path = /shared/
writable = yes
directory mask = 0774
browseable = yes
# read only = yes
guest ok = yes
Help a honest worker!
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