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Goals: Walk through accessing an ARCC HPC and navigating directories

If users have attended previous workshops, this will be review.


Opening Screen:

  • Shows message of the day

  • Lists storage usage - across project spaces

    • You can see this again by calling: arccquota

    • Also shows directories specific to arcc HPCs

General Format:[<username>@<server/node-name> <folder>]$ 
[arcc-t30@mblog2 ~]$ arccquota
+----------------------------------------------------------------------+
|              arccquota              |             Block              |
+----------------------------------------------------------------------+
|                Path                 | Used       Limit     %         |
+----------------------------------------------------------------------+
| /home/arcc-t30                      | 00.00 GB   50.00 GB  00.00     |
| /gscratch/arcc-t30                  | 00.00 GB   05.00 TB  00.00     |
| /project/arccanetrain               | 00.00 GB   05.00 TB  00.00     |
|                                                                      |
+----------------------------------------------------------------------+
[arcc-t30@mblog1 ~]$ 

ARCC HPC: FileSystem 

Type

Location

Description

home

/home/<username>

Space for configuration files and software installations.

project

/project/<project-name>/[username]

Space to collaborate among project members. Data here is persistent and is exempt from purge policy. 

software

/project/<project-name>/software

Storage space to install software to be shared among project group members.

gscratch

/gscratch/<username>

Space to perform computing for individual users. Data here is subject to a purge policy defined below. 

node local scratch

/lscratch

Only on compute.

memory filesystem

/dev/shm

RAM-based tmpfs available as part of RAM for very rapid I/O operations; small capacity.


Home and Project Folders:

# Home folder:
[]$ cd ~
[]$ pwd
/home/arcc-t05
[]$ cd /gscratch/arcc-t05
# Shared project space
[]$ cd /project/arccanetrain/
[arcc-t05@blog1 arccanetrain]$ ls
arcc-t01  arcc-t06  arcc-t11  arcc-t16  arcc-t21  arcc-t26  brewer       mkillean
arcc-t02  arcc-t07  arcc-t12  arcc-t17  arcc-t22  arcc-t27  excotest     salexan5
arcc-t03  arcc-t08  arcc-t13  arcc-t18  arcc-t23  arcc-t28  intro_to_hpc
arcc-t04  arcc-t09  arcc-t14  arcc-t19  arcc-t24  arcc-t29  lmainzer
arcc-t05  arcc-t10  arcc-t15  arcc-t20  arcc-t25  arcc-t30  lreilly 

Copy files:

[]$ cd 
[~]$ cp -r /project/arccanetrain/intro_to_hpc/ .
[~]$ cd intro_to_hpc/
[intro_to_hpc]$ ls
Intro_to_hpc.pdf  python01.py  python01.py.fixed  run_gpu.sh  run.sh

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