@simonmichal: Indeed, we are using the xrootd-hdfs plugin and also enabling CMS TFC support to XrootD. The configuration lines we used for this come from the sample configuration file in XRootD for hadoop (xrootd.sample.hdfs.cfg)
# Add Hadoop support
xrootd.fslib /usr/lib64/libXrdOfs.so
ofs.osslib /usr/lib64/libXrdHdfs.so
# Integrate with CMS TFC, placed in /etc/xrootd/storage.xml
oss.namelib /usr/lib64/libXrdCmsTfc.so file:/etc/xrootd/storage.xml?protocol=hadoop
where the mapping for the hadoop protocol in storage.xml is:
<!-- Hadoop protocol rules-->
<lfn-to-pfn protocol="hadoop" destination-match=".*" path-match="//+store/(.*)" result="/hadoop/store/$1"/>
<lfn-to-pfn protocol="hadoop" destination-match=".*" path-match="//+store/user/(.*)" result="/hadoop/store/user/$1"/>
<!-- Translation rules for PFN to LFN (Physical File Name to Logical File Name -->
<pfn-to-lfn protocol="hadoop" destination-match=".*" path-match="/hadoop/store/(.*)" result="/store/$1"/>
Let me know if you need more details!
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