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Free Space Check

myquota is a command available on the cluster that allows you to check

  • how much space you use,
  • how much space remains

on the different storage spaces you have access on the cluster, that is your home, your different project spaces on Zeus and the temporary scratch workspace.

Command line help#

You can access the short help directly on the command line

myquota help (text)

login@maestro-submit ~ $ myquota -h
usage: myquota.py [-h] [-u USER] [-b] [-c]
[-s {filesystem,type,size,used,mod>60days,acc>60days,avail,use%,mod%>60days,acc%>60days,inodes}]
[-d] [-r REPLACE] [-D]
[needle]

Get your filesystem usage

optional arguments:
-h, --help show this help message and exit

selection (optional):
-u USER, --user USER specify user (current user by default)
needle search for a string in filesystem pathname

output (optional):
-b, --bytes output size using bytes instead of powers of 1024
-c, --csv csv output
-s {filesystem,type,size,used,mod>60days,acc>60days,avail,use%,mod%>60days,acc%>60days,inodes}, --sort {filesystem,type,size,used,mod>60days,acc>60days,avail,use%,mod%>60days,acc%>60days,inodes}
Sort by field
-d, --details More detailed output

internal (optional and advanced usage):
-r REPLACE, --replace REPLACE
replace string in the form 'old,new'. Can be used
multiple time

help:
-D, --description Get a short description of each output column

Disk usage of a user#

By default, you have access to the information concerning yourself:

myquota default usage (text)

login@maestro-submit ~ $ myquota   
Filesystem (2023-09-19 11:40)             Type     Size     Used    Avail   Use%
/pasteur/appa/homes/login                 user  100.00G   15.85G   84.15G  15.8%
/pasteur/zeus/projets/p01/project1     project   10.00T    4.91T    5.09T  49.1%
/pasteur/zeus/projets/p02/project2     project  500.00G  374.44G  125.56G  74.9%
/pasteur/zeus/projets/p02/project3     project    1.00T       0B    1.00T      -

Filesystem (2023-09-19 04:00)             Type     Size     Used    Avail   Use%
/pasteur/appa/scratch/OtherProject       group        -   10.84G        -      -
/pasteur/appa/scratch/login              group        -  393.58G        -      -

Disk usage update

As you can see, the date of the last disk usage collection is displayed in the header for each file system.

  • zeus disk usage is updated every 5 minutes. It includes
  • /pasteur/appa/homes
  • /pasteur/zeus/projets/p01
  • /pasteur/zeus/projets/p02
  • /pasteur/appa/scratch disk usage is updated at least once a day depending on the usage.

As a consequence, even if you don't see the effect of your mv or rm immediately in myquota, it doesn't mean that the space hasn't been freed.

On the temporary space /pasteur/appa/scratch, you can also check the space usage of your colleagues using option -u. This way you can coordinate with them and ensure that your unit won't take too much space:

myquota -u to check someone else disk usage (text)

login@maestro-submit ~ $  myquota -u userB
Filesystem (2023-09-19 11:50)             Type     Size     Used    Avail   Use% 
/pasteur/appa/homes/userB                 user  100.00G   97.84G    2.16G  97.8% 
/pasteur/zeus/projets/p01/project1     project   10.00T    4.91T    5.09T  49.1%
/pasteur/zeus/projets/p02/project4     project   97.00T   60.86T   36.14T  62.7%

Filesystem (2023-09-19 04:00)             Type     Size     Used    Avail   Use%
/pasteur/appa/scratch/userB              group        -   45.10T        -      -
/pasteur/appa/scratch/userB_OtherDir      user        -   72.19G        -      -
/pasteur/appa/scratch/OtherProject       group        -   10.84G        -      -

Disk usage of a space#

You can also obtain the disk usage of a project space. You don't need to provide the full name of the space if you don't remember it. In that case, just provide a string contained in the name of the space. In the following example, we want to know the disk usage of a space containing the string HPC:

Quota of a space (text)

login@maestro-submit ~ $ myquota HPC    
Filesystem (2023-09-19 04:00)                 Type    Size     Used   Avail   Use%
/pasteur/appa/scratch/hpc                    group       -  393.58G       -      -

Filesystem (2023-09-19 14:30)                 Type    Size     Used   Avail   Use%
/pasteur/zeus/projets/p01/hpc              project  10.00T    4.91T   5.09T  49.1%
/pasteur/zeus/projets/p02/CSD_hpc          project  20.00T   16.81T   3.19T  84.1%
/pasteur/zeus/projets/p02/Projets_Mph_HPC  project  20.00T    1.65T  18.35T   8.3%
/pasteur/zeus/projets/p02/naat-hpc         project  20.00T    1.78T  18.22T   8.9%

As you can see the search is case insensitive. Every project space containing the string HPC is listed whatever:

  • the file system that hosts it,
  • the user who executes the command belongs to the unix group or not.

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