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Hi Gregory, Please start the olbd's with -d so that we can see what they are up to when this occurs; thanks. Based on what you said, it does look like a timing issue in the olbd. Andy On Fri, 17 Dec 2004, Gregory J. Sharp wrote: > > On Dec 17, 2004, at 7:11 AM, Fabrizio Furano wrote: > > > > rereading this message, I realized that this scenario is very similar > > to the tricky one that Andy and I debugged and fixed together last > > week. So, it might be useful for us to know: > > - which client/server verison you are using (or the head of which day > > if you are used to take the cvs head) > > I am using the release 20041214. I don't know the internal details of > your CVS repository. > > > - what the client side is doing (xrdcp or some other prog?) In > > particular which flags/options you specified in the Open request. > > The client side is a Suez program using the XrdClient interface. From > what I can understand of Chris's code he just calls > m_client->Open(O_RDONLY,0);. Thereafter the code does some Read() calls > and a Close(). > > Additional Information: > > 1. This bug may not show up for several hours after starting xrootd, > but sometimes within minutes. > 2. After adding XrdClient debug level 1 on the client side, I can't > reproduce the bug after 4 hours of trying. This suggests it may be > timing-related. > 3. I think the real problem must be in the xrootd server or olbd > server, because once it gets into this mode, it stays in this mode > until the server is restarted. Restarting the client doesn't fix it. > That means that even if invalid behavior in the client triggers this > behavior, the server is not rejecting the invalid behavior. > > I will keep trying to reproduce this with debug enabled. > > Should I move to the latest version that Peter released yesterday and > see if it is fixed there? > > -- > Gregory J. Sharp email: [log in to unmask] > Wilson Synchrotron Laboratory url: > http://www.lepp.cornell.edu/~gregor > Dryden Rd ph: +1 607 255 4882 > Ithaca, NY 14853 fax: +1 607 255 8062 > >