It sounds like Flow Control might be disabled on one of the adapters.
_____
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gabriele
Bulfon
Sent: Tuesday, January 30, 2007 9:42 AM
To: bacula-users@lists.sourceforge.net
Subject: [Bacula-users] Solved why Windows FD 1.38 sometime is slow
I had headaches for a week, trying to figure out why some windows FDs were
VERY slow compared
to all the rest of FDs. These slow clients were all rating at around 1Mb/s.
After playing a bit with many system and bacula parameters, I decided not to
trust what was stated in the manual: "the default Maximum Network Buffer
Size = 32768".
Because I tried rising this parameter to double default, both on sd and all
fds, and noticed that I had
a slow down of all the FDs, I put back everything to default.
Then I decided to explicitly set the "Maximum Network Buffer Size = 32768"
to the windows machine
that was still so slow....and it magically started to work as the rest of
fds!!!
Beacuse I have another windows FD on the same installation, with the same
version of bacula, and this one was going fine with the default (MNB not
specified), what I believe is that the windows setup has been built with a
different default (maybe 65536), and this setting may be fine only in
specific situations.
What I mean, is that probably 32768 is fine for almost any card, but 65536
may be fine only for cards
that support this buffer size.
What I know now is that explicitly setting the buffer to 32768 on the bacula
fd will work.
After finding this, I did the same on other 3 installations where I had
similar problems, and it worked!
Thanx to everyone that tried to help me.
Gabriele.
<http://www.sonicle.com>
Gabriele Bulfon - Sonicle S.r.l.
Tel +39 028246016 Int. 30 - Fax +39 028243880
Via Felice Cavallotti 16 - 20089, Rozzano - Milano - ITALY
http://www.sonicle.com
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