.
-Mark
Mark Smith wrote:
We use SMB to transfer large files (between 1GB and 5GB) from RedHat AS4
Content Storage servers to Windows clients with 6 DVD burners and
robotic arms and other cool gadgets. The servers used to be Windows
based, but we're migrating to RedHat for a host of reasons
Doug VanLeuven wrote:
Mark Smith wrote:
I also tried your values, with the tcp_window_scaling, with no luck.
It's enable by default, but I explicitly set options other options
depend on.
Reasonable idea. :)
I set up my test rig again.
Host server
2.6.12-1.1376_FC3, samba 3.0.23
Broadcom
Guenter Kukkukk wrote:
Hi Doug,
have you ever tried netio to check for raw needwork speed?
http://www.ars.de/ars/ars.nsf/docs/netio
It does not add any overhead caused by file operations - so it
can help to tune raw parameters.
The source is included - so it can be tuned, too.
When sniffing
Mark Smith wrote:
Actually, setting SNDBUF and RCVBUF to 65536 from the default of 8192 is
what got me _TO_ 22MBps...
...Ya know, I once tried increasing SNDBUF and RCVBUF to 256k but didn't
see any difference. I've also tried setting the kernel parameters to
256k, but never both
Doug VanLeuven wrote:
OK, I'll top post.
I can't let this stand unanswered.
I ran a LOT of tests with gigabit copper and windows machines. I never
did better than 40 seconds per gig. That was with the Intel cards
configured for maximum cpu utilization. 80-90% cpu for 40 sec per gig.
On
Mark Smith wrote:
As a data point, I'm going to try a newer version of Samba. (RHEL4 uses
3.0.10-RedHat-Heavily-Modified-Of-Course) If that makes a difference,
then I have to decide whether it's worth it to me to keep RedHat support
or not. (And when I say I, I really mean my management
.
-Mark
Pitti, Raul wrote:
i am not an expert, but,
do you have jumbo frame enabled on your nic and switch?
try using ethtools...
RP
Mark Smith wrote:
Mark Smith wrote:
As a data point, I'm going to try a newer version of Samba. (RHEL4
uses 3.0.10-RedHat-Heavily-Modified-Of-Course
a transfer rate of
21MBps, about the same as a normal smbfs mount. I haven't tried porting
smbclient to Windows yet, and probably won't until we get more info on
what the server is doing.
Thanks everyone.
-Mark
Mark Smith wrote:
We use SMB to transfer large files (between 1GB and 5GB) from
We use SMB to transfer large files (between 1GB and 5GB) from RedHat AS4
Content Storage servers to Windows clients with 6 DVD burners and
robotic arms and other cool gadgets. The servers used to be Windows
based, but we're migrating to RedHat for a host of reasons.
Unfortunately, the RedHat
Jeremy Allison wrote:
An interesting thing you could do is to use a port of smbclient
on Windows (no I don't know where to get one :-) to copy the
client to the Windows client in userspace. smbclient will use
read pipelining (ie. issue more than one read at a time) whereas
Windows clients issue
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