Checking quota and usage

The FASRC quota command provides file system quota and usage information for all FASRC cluster storage except Cold Storage (Tape).

Basic Usage

quota <PATH>

Examples

[jharvard@holylogin08 ~]$ quota $HOME
Filesystem Size Used Avail Use% Mounted on
rcstorenfs:/ifs/rc_homes/home01 95G 23G 73G 24% /n/home01

[jharvard@holylogin08 ~]$ quota /n/acc_lab
Filesystem Size                     Used Avail Use% Mounted on
holy-nfsisilon:/ifs/rc_labs/acc_lab 8.0T 5.8T 2.3T 73% /net/holy-nfsisilon/ifs/rc_labs/acc_lab

Lab directories, netscratch, and active lab storage

For lab directories (/n/holylabs), netscratch (/n/netscratch), and active lab storage (/n/<lab_name> and other paths), usage/quota is shown for the lab group that owns the directory:

[jharvard@holylogin08 ~]$ quota /n/netscratch/mcfee_lab

Disk quotas for grp mcfee_lab (gid 40227):
Filesystem used quota files quota
/n/netscratch 328.1Mi 45.5Ti 1125 100000000

If the file system mount point is specified (e.g., /n/holylabs, /n/netscratch), your user account’s usage across the entire filesystem, in addition to your primary group’s usage/quota is shown:

[jharvard@holybioinf ~]$ quota /n/netscratch
Disk quotas for user jharvard (uid 21442):
Filesystem space quota limit grace files quota limit grace
netscratch-ib01.rc.fas.harvard.edu:/netscratch/C
11056M 0K 0K 210k 0 0

Disk quotas for grp jharvard_lab (gid 10483):
Filesystem used quota files quota
/n/netscratch 10.8Gi 45.5Ti 209615 100000000

Specifying group with -g

To display quota for a specific lab group, the -g option can be specified:

[jharvard@holybioinf ~]$ quota -g mcfee_lab /n/holylabs
Disk quotas for grp mcfee_lab (gid 40227):
Filesystem   used  quota   files     quota
/n/holylabs  8.5Gi 3.6Ti   118318 10000000

The -g <group> option is ignored for other file systems.

Limitations

1. For lab directories and netscratch, user usage is not displayed if the FASRC `quota` command is executed from a login node
2. For lab directories and netscratch, usage information is updated approximately every ~10 minutes (use the quota -v option to display the time of last update)
3. For active lab storage, you must be a member of the specified lab group to list quota/usage for that group

Advanced Usage

The -v option displays the underlying command used to obtain quota info (if applicable):

[jharvard@holybioinf ~]$ quota -v /n/holylfs06
command: lfs quota -h -u jharvard /n/holylfs06
==============================================
Disk quotas for usr jharvard (uid 21442):
Filesystem used quota limit grace files quota limit grace
/n/holylfs06 0k 0k 0k - 0 0 0 -
uid 21442 is using default block quota setting
uid 21442 is using default file quota setting

command: lfs quota -h -g jharvard_lab /n/holylfs06
==================================================
Disk quotas for grp jharvard_lab (gid 10483):
Filesystem used quota limit grace files quota limit grace
/n/holylfs06 0k 20T 20T - 0 14784921 14784921 -

 

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