greetings list. am serving SMB using the samba-3.0.24 package on an
openbsd 4.1-release machine and am seeing really low throughput from the
server, even when both the server and client are on gigabit ethernet.
the maximum throughput i've been able to attain is ~6 MBps, which is
pretty slow, both on 100 Mbps and 1 Gbps segments. this top speed is
identical on both 100 Mbps and 1 Gbps.
i've got a default smb.conf file from the package install and have
attempted modifying a few settings as per suggestions found when
searching for a solution to this. the only non-default portions are
[global]
read raw = yes
write raw = yes
oplocks = yes
max xmit = 65535
dead time = 15
getwd cache = yes
...
socket options = IPTOS_LOWDELAY SO_SNDBUF=8192 SO_RCVBUF=8192
without the SO_* options set as above, the throughput is much worse,
with less than 1 MBps coming through. can pull pretty much full
linespeed (12 MBps =~ 100 Mbps) using scp from this same server, so it's
not likely errors on the interface. just to be clear
# netstat -i
Name Mtu Network Address Ipkts Ierrs Opkts
Oerrs Colls
lo0 33192 <Link> 0 0 0
0 0
lo0 33192 loopback localhost.X 0 0 0 0 0
lo0 33192 localhost.s localhost.X 0 0 0 0 0
lo0 33192 fe80::%lo0/ fe80::1%lo0 0 0 0
0 0
em0 1500 <Link> 00:e0:81:72:7d:05 1859059 2 1872743
0 0
em0 1500 10.0.0/24 databank.X 1859059 2 1872743 0 0
em0 1500 fe80::%em0/ fe80::2e0:81ff:fe 1859059 2 1872743
0 0
em1* 1500 <Link> 00:e0:81:72:7d:06 0 0 0
0 0
pflog0* 33192 <Link> 0 0 0
0 0
enc0* 1536 <Link> 0 0 0
0 0
any advice or clues on how to get samba to turn out > 6 MBps, or
preferably > 20 MBps, would be greatly appreciated. do let me know if
there's any other info that would be good to see.
cheers,
jake
--
