FAQs

Access and authentication

• The frontend I am trying to log on does not respond

• I get "No Kerberos credentials found" error after submitting the script

• I cannot access storage directories despite being logged in on a frontend

Computing

• My running job is coming close to walltime, can I prolong it?

• I get "permission denied" when I try to clean up scratch directory

• Is there any tool to help me setup syntactically correct qsub command?

• I get an error "^M: command not found" or "$'\r': command not found" after submitting a script

• qdel command does not delete a job

• What are the default parameters in qsub command?

• My job failed with something like "No space left on device / Input-output error".

• My job is approaching walltime, can I prolong it?

• I get "Cgroup memsw limit exceeded" error, how to fix it?

Data

• I accidentally deleted a file/directory on storage, can I retrieve it?

• Are SCRATCHDIR directories backed up somewhere?

• How reliable/strong is the is backup policy on storages?

• Where should I keep my longterm data?

• I need more space on storage(s), can I get it?

Software

• Where can I find list of all installed software?

• There are several version of one software, which one shall I use?

• I get "Disk quota exceeded" error during installation, how do I fix this?

---

Last update: December 10, 2024