I use hd-idle for that. Issue fixed, Thanks.
** Attachment removed: "ProcEnviron.txt"
https://bugs.launchpad.net/ubuntu/+source/gnome-disk-utility/+bug/1926401/+attachment/5492983/+files/ProcEnviron.txt
** Attachment removed: "Screenshot from 2021-04-28 12-00-02.png"
Thank you for taking the time to report this issue and helping to make
Ubuntu better. Examining the information you have given us, this does
not appear to be a bug report so we are closing it and converting it to
a question in the support tracker. We understand the difficulties you
are facing, but
apport information
** Tags added: apport-collected hirsute wayland-session
** Description changed:
My hard disk just spin and spin even when pc is idle.
+ ---
+ ProblemType: Bug
+ ApportVersion: 2.20.11-0ubuntu65
+ Architecture: amd64
+ CasperMD5CheckResult: unknown
+ CurrentDesktop:
