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The following tables shows HPC filesystems, ordered by confirmed performance.  Some adjustment has been made for "likely perceived performance".

RankFilesystemSize (GiB)Retention
1/tmp 30030 days
2/fast 7,15030 days
3/gpfs01 528,384Determined by QCIF/ARDC
4/scratch 81,917365 days
5/home524,285Duration of your association with JCU research 

Most researchers will probably simply run their computational workflows under /home - for simplicity.  Generally speaking, the performance of a /home  filesystem will be not part of any purchasing consider. 

The /gpfs01 filesystem is only accessible to researchers associated with a QRISCloud/ARDC storage allocation (data housed in/near Brisbane).  It's performance ranking is based on files held on the local cache.

Researchers with workflows that are I/O intensive would benefit from using /tmp/fast, or /scratch for execution of their workflows.  A hyperthetical I/O intensive workflow PBS script can be found (Example 5) in HPRC PBSPro script files

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