Hi,
We occasionally get an error when we try to load ATLAS files via our
xcache server that are available when we download them directly. For
example currently:
xrdcp -v
root://lcg-lrz-xcache1.grid.lrz.de:1094//root://lcg-se01.icepp.jp:1094//dpm/icepp.jp/home/atlas/atlasdatadisk/rucio/data18_13TeV/54/b0/data18_13TeV.00349169.physics_Main.merge.AOD.f937_m1972._lb0658._0002.1
.
[0B/0B][100%][==================================================][0B/s]
Run: [ERROR] Server responded with an error: [3011] Unable to open
/root:/lcg-se01.icepp.jp:1094/dpm/icepp.jp/home/atlas/atlasdatadisk/rucio/data18_13TeV/54/b0/data18_13TeV.00349169.physics_Main.merge.AOD.f937_m1972._lb0658._0002.1;
no such file or directory
We use the rucioN2N plugin. The metalink file seems to be created and
contain the correct url.
I attached the parts of the xrootd logfile around this.
Last time this was resolved by restarting xrootd - at that time we had
the issue that many file descriptors were open. This time this seems not
to be the case.
Any ideas how to debug this further?
Thanks,
Nikolai
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191213 11:08:22 20278 Posix_P2L: file /dev/shm/atlas/rucio//dpm/icepp.jp/home/atlas/atlasdatadisk/rucio/data18_13TeV/54/b0/data18_13TeV.00349169.physics_Main.merge.AOD.f937_m1972._lb0658._0002.1.meta4 pfn2lfn /atlas/rucio/data18_13TeV/54/b0/data18_13TeV.00349169.physics_Main.merge.AOD.f937_m1972._lb0658._0002.1
[2019-12-13 11:08:22.026743 +0100][Warning][PostMaster ] Please note that the 'root://localfile//path/filename.meta4' semantic is now deprecated, use 'file://localhost/path/filename.meta4'instead!
[2019-12-13 11:08:22.026865 +0100][Warning][PostMaster ] Please note that the 'root://localfile//path/filename.meta4' semantic is now deprecated, use 'file://localhost/path/filename.meta4'instead!
[2019-12-13 11:08:22.941945 +0100][Warning][PostMaster ] Please note that the 'root://localfile//path/filename.meta4' semantic is now deprecated, use 'file://localhost/path/filename.meta4'instead!
[2019-12-13 11:08:22.966445 +0100][Warning][PostMaster ] Please note that the 'root://localfile//path/filename.meta4' semantic is now deprecated, use 'file://localhost/path/filename.meta4'instead!
191213 11:08:23 20278 ofs_open: Nikolai..3200:55@[2001:4ca0:4103:200:10:153:234:25] Unable to open /root:/lcg-se01.icepp.jp:1094/dpm/icepp.jp/home/atlas/atlasdatadisk/rucio/data18_13TeV/54/b0/data18_13TeV.00349169.physics_Main.merge.AOD.f937_m1972._lb0658._0002.1; no such file or directory
191213 11:08:23 20278 XrootdXeq: Nikolai..3200:55@[2001:4ca0:4103:200:10:153:234:25] disc 0:00:02
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