Hi Cira,
Please check "Set File Directory Size" section.
It says below.
In CSA, you can specify a file storage size limit at the directory level. If a limit is specified, a new sibling directory is automatically created for storing subsequent files once the limit is reached. The size limit also applies to documents that you import into CA PPM using the XML Open Gateway (XOG).
Setting the directory size limit does not affect the size of pre-existing folders.
https://docops.ca.com/ca-ppm/15-5/en/administration/csa-ca-ppm-system-administration/csa-maintain-and-monitor-ca-ppm#CSA…
Regards,
Shoichi