Documentation

Documentation for Golias Farm Users

Use RT (Request Tracking) system via e-mail address fzu@rt.cesnet.cz to report problems or ask questions.

• Basic Information

  • Golias Farm Overview

  • Login nodes SSH host keys

  • New User Account

  • Password Change

  • User Fairshare

• Available Data Space

  • Data Storage Directory /mnt

  • Local Working Directory /scratch

  • User Home Directory /home

• Job Submission
  • HTCondor Batch System
    • Introduction
    • First Test Example
    • Second Test Example
    • HTCondor Commands
    • Job Submission File
    • Job Submission File Examples
    • Interactive Jobs
    • Accounting Groups
    • Job Restrictions and Resource Limits

      • Concurrent Running Jobs with Heavy I/O

      • CPU cores

      • Get HTCondor Walltime Limits

      • Job Execution Time

      • Memory

      • Requesting shared /mnt disks in HTCondor jobs

      • Scratch

      • Submitting Jobs with Late Materialization Feature

    • Useful Links to HTCondor Documentation
    • Automated E-mails from the Golias Computing Farm
    • Running dependent jobs with DAGMan (condor_submit_dag)
  • Long-Term Job
  • Cputime and Walltime Multipliers
• Data Backup and Data Recovery

  • Another Possibilities for Data Backup

  • Data Backup

  • Data Recovery

• Personal eScience Certificate

  • How to Convert to PEM Format

  • How to Get a Certificate

FAQs – Golias Farm Users

• New User Account

  • How do I apply for a user account at the Golias farm?

  • How do I change a login shell?

  • How do I change my password?

  • How do I run GUI on the login server?

  • How do I use Kerberos for login?

  • I forgot my password. What should I do?

  • Which servers can I log in to?

• Available Data Space

  • How do I check my usage of NFS servers?

  • How do I check the usage of home directory?

  • How do I increase quota size limit?

  • How do I recover deleted file(s)?

  • What quotas are set to user home directory?

  • Where can I back up my data?

  • Which data storages are available within the Golias farm?

  • Which file systems are automatically backed up?

• Job Submission (Batch System HTCondor)

  • Are there any default resource limits set for jobs?

  • How do I activate e-mail notifications?

  • How do I change the requirement for walltime or for memory?

  • How do I delete my job?

  • How do I forbid rerun of my job in case of any failure?

  • How do I get a job time limit?

  • How do I get information on a specific worker node?

  • How do I get information on completed jobs?

  • How do I get information on running and waiting jobs?

  • How do I limit the number of concurrent running jobs with heavy I/O?

  • How do I run a job at a GPU server?

  • How do I run a job that needs access to a NFS server?

  • How do I run a MPI job?

  • How do I run an interactive job?

  • How do I specify an accounting group?

  • How do I submit a batch job?

  • How do I submit a job on OS Centos 7 or OS SL6?

  • How do I submit a large number of jobs at one moment?

  • How do I use a /scratch at a local disk?

  • Is it possible to run a job on a worker node that is offline?

• Other

  • How do I acknowledge usage of computer center resources?

  • How do I get a personal certificate?

  • How do I print files within the Golias farm?

  • How do I run Firefox at ui servers?

  • Package installation request

  • What gcc versions are available within the Golias farm?

  • Whom do I contact for support?