Hi,
I installed pyxrootd on one of the node and I'm experience strange behavior. Basically I execute this commands:
from XRootD import client
from XRootD.client.flags import OpenFlags
f=client.File()
fin='root://cms-xrd-global.cern.ch//store/data/Run2018C/Tau/NANOAOD/14Sep2018_ver3-v1/60000/6FA4CC7C-8982-DE4C-BEED-C90413312B35.root'
print(fin)
data=f.open(fin, OpenFlags.READ, timeout=10)
print("data", data)
The problem is that if I not specify timeout option f.open waits forever. With provided timeout I get this error:
data (<status: 1, code: 206, errno: 0, message: '[ERROR] Operation expired', shellcode: 52, error: True, fatal: False, ok: False>, None)
The same works on other nodes, e.g. lxplus and I can access file via CERN or FNAL xrootd redirectors just fine over there.
I cannot find any flag which may provide more information about what cause the hang.
Could you please provide any hint how to debug this issue? May be it is node configuration, e.g. iptables, issue which I'm not aware or something similar.
Thanks,
Valentin.
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