Thanks a lot,
The reason why I build the root is due to my network to cern lxplus. As my location is a bit far away from cern, there is a latency (about 2 seconds) for each commad. You could imagine how annoying it is.
I’ve already installed centos 7.9, gcc 8.3.0, athena(with different versions), and root with different versions in my laptop. But the root I built is a bit different with the root in lcg, though with the same version. The setups are different, which give me some trouble to do physics analysis.
That’s why I’d like to build the root version exactly the same as that in lcg.
Thanks for explaining. What you should do then is to install cvmfs: it takes exactly the same binaries as you have on lxplus. Please contact your ATLAS mailing list / forum to understand how to set that up.
By default, the cvmfs cache is stored in /var/lib/cvmfs which should survive reboots. Please run cvmfs_config showconfig sft.cern.ch and paste the result, which can help me understand if there is any obvious issue with the configuration.
After I restart my computer, I found there is nothing under /cvmfs/(the reason why I thought caches are lot), but /var/lib/cvmfs survives. So when I run the same command, it becomes faster(though some commands are still slow, but tolerable).