Difference between revisions of "FAQ"
From ScientificComputing
(→Data management and file transfer) |
(→Data management and file transfer) |
||
| Line 63: | Line 63: | ||
===What happens when I reach my quota ?=== | ===What happens when I reach my quota ?=== | ||
===What if I need more space ?=== | ===What if I need more space ?=== | ||
| − | ===Why is storage in the cluster expensive | + | ===Why is there a limit for the number of files in my home/scratch directory ?=== |
| + | ===Why is storage in the cluster expensive ? I can buy a 6 TB external USB hard drive for 170 sFr. almost everywhere=== | ||
===How long can I keep files in the scratch directories ?=== | ===How long can I keep files in the scratch directories ?=== | ||
===Why did you delete my files in scratch ?=== | ===Why did you delete my files in scratch ?=== | ||
| Line 69: | Line 70: | ||
===How do I restore a file from a backup ?=== | ===How do I restore a file from a backup ?=== | ||
===What is the fastest way to transfer files from/to the cluster ?=== | ===What is the fastest way to transfer files from/to the cluster ?=== | ||
| + | ===Why is file transfer very slow ?=== | ||
==Miscellaneous== | ==Miscellaneous== | ||
Revision as of 08:27, 19 August 2016
Contents
- 1 General
- 2 Access
- 3 Software
- 3.1 Do you provide any software on your clusters ?
- 3.2 Why does my 32-bit executable not work on your cluster ?
- 3.3 Can I run Windows executables on the clusters ?
- 3.4 Can you please update GLIBC on the clusters ?
- 3.5 Is it necessary to recompile or can I just copy my application to a cluster ?
- 3.6 Are development tools available on the clusters ?
- 3.7 How do I compile MPI applications ?
- 3.8 What scientific libraries are available on the clusters ?
- 3.9 Can you please allow me to run sudo for installing my code ?
- 3.10 Why can't I install my application into /usr/bin and /usr/lib64 ?
- 3.11 Is there a license available for application XYZ ?
- 4 Environment modules
- 5 Submitting jobs
- 5.1 Can I run an application on the login nodes?
- 5.2 Can I access a compute node via ssh or rsh?
- 5.3 How do I execute a program on the cluster?
- 5.4 How do I submit a simple command ?
- 5.5 How do I submit a shell script ?
- 5.6 How do I submit a parallel job ?
- 5.7 What are the processor and time limits ?
- 5.8 What is the maximal amount of memory that I can use ?
- 5.9 Which queue should I choose ?
- 5.10 How many jobs can I submit ?
- 5.11 How much time should I request for my job ?
- 5.12 What happens when a job reaches its time limit ?
- 5.13 How do I submit a series of jobs (job chaining)?
- 6 Monitoring jobs
- 6.1 When does my job start ?
- 6.2 How can I check the status of my job(s) ?
- 6.3 Why is my job waiting for a long time in the queue ?
- 6.4 Where is my job's output ?
- 6.5 Can I see my job's output in real time ?
- 6.6 How do I know when my job is done ?
- 6.7 Can I see the resources used by my job(s) ?
- 6.8 How do I kill a job ?
- 7 Data management and file transfer
- 7.1 How much disk space is available on then clusters ?
- 7.2 How much space can I use ?
- 7.3 What happens when I reach my quota ?
- 7.4 What if I need more space ?
- 7.5 Why is there a limit for the number of files in my home/scratch directory ?
- 7.6 Why is storage in the cluster expensive ? I can buy a 6 TB external USB hard drive for 170 sFr. almost everywhere
- 7.7 How long can I keep files in the scratch directories ?
- 7.8 Why did you delete my files in scratch ?
- 7.9 Are my files backed up regularly ?
- 7.10 How do I restore a file from a backup ?
- 7.11 What is the fastest way to transfer files from/to the cluster ?
- 7.12 Why is file transfer very slow ?
- 8 Miscellaneous
