Could be that the "out files" are created programmatically and there
are any invisible chars after the "t" in the second one e.g. a space?
Il 07/05/2025 14:57, quaglio@xxxxxxxxxx ha scritto:
Hello everyone,
I am facing a situation that I have not yet been able to find a solution for.
There is a client machine that is running a parallel job that generates an output file over time.
The problem is that a file with the same name is being generated. There are two files with the same name and different dates.
See:
# ls -la
drwxr-xr-x 5 userxxx groupyyy 12 May 6 23:11 .
drwxr-xr-x 19 userxxx groupyyy 74 May 6 14:13 ..
-rw-r--r-- 1 userxxx groupyyy 53274 May 3 16:48 lixo
-rw-r--r-- 1 userxxx groupyyy 1317 May 3 16:33 mos2_bands.in
-rw-r--r-- 1 userxxx groupyyy 54370 May 3 16:49 mos2_nscf.in
-rw-r--r-- 1 userxxx groupyyy 2242 May 6 17:16 mos2_nscf.out
-rw-r--r-- 1 userxxx groupyyy 1865 May 3 17:28 mos2_nscf.out
-rw-r--r-- 1 userxxx groupyyy 1132 May 3 16:43 mos2_scf.in
-rw-r--r-- 1 userxxx groupyyy 30626 May 6 17:16 mos2_scf.out
-rw-r--r-- 1 userxxx groupyyy 30287 May 3 17:27 mos2_scf.out
In POSIX semantics, inside a directory structure, two files/directories with the same name should be not allowed.
But when I "change" the ls command, this situation no longer appears. See:
# ls -la *out
-rw-r--r-- 1 userxxx groupyyy 2242 May 6 17:16 mos2_nscf.out
-rw-r--r-- 1 userxxx groupyyy 30626 May 6 17:16 mos2_scf.out
This way of running ls, files with the same name do not appear.
I currently have a new server in the cluster that is still in the backfill process. This situation could cause this problem.
Could you help me identify the problem?
Thanks
Rafael.
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ing. Sergio Rabellino
Università degli Studi di Torino
Dipartimento di Informatica
Tecnico di Ricerca
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