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--- oph:cluster:problems [2023/04/12 07:47] – marco.baldi5@unibo.it
+++ oph:cluster:problems [2024/05/24 08:28] (versione attuale) – workaround per studenti che non riescono a scrivere nella cartella del settore diego.zuccato@unibo.it
@@ Linea 3: / Linea 3: @@
 In this section we list a set of known problems that may occur when using the cluster, with possible quick solutions. If you encounter problems not listed here, or if the solutions below do not solve your problem, please direct your issue exclusively to ''difa.csi@unibo.it''
-  * no write permission to own $HOME : rarely happens at first login; just logout and login again
+  * //no write permission to own// ''$HOME'' : **rarely happens at first login; just logout and login again**
-  * can't share data/programs in $HOME with other users: ask admins to relax permissions on your home
+  * //can't share data/programs in// ''$HOME'' //with other users//: it's usually **way better** to use another storage to share data, but if you really need it, **ask admins to relax permissions on your home**
+  * //connection refused// error but my user have just been given access: you have to **wait till after 7.00am of the following day**, when a script updates access lists and accounting
+  * //An ORTE daemon has unexpectedly failed after launch// error on multi-node mpi jobs: try using srun instead of mpirun to launch the job step
+  * I get a "//invalid account or account/partition combination specified//" message when submitting jobs to Matrix but I can submit to Blade: that usually means you're a student that's been given access only to 'formazione' account. To access Matrix you have to be added to a sector (and afterwards you'll need to specify --account=formazione for jobs related to lessons).
+  * Students have no write permission in sector folder: there's a problem with AD integration and 'id' does not return all the groups the user is member of. Workaround: just use "newgrp oph-YOURSECTOR" to activate a subshell with the correct primary GID and from there create your personal folder (owned by your user). You'll then be able to use that folder without problems even without using newgrp.