noflushd shuts down block devices that are not in use; this can significantly save power/noise/heat when multiple drives are used for archival/backups etc.
The version in portage is very old and does not even work correctly any longer with newer kernels/SATA drives, see $URL for my upstream bug report in 2004 (!).
The latest version 2.8 from 2010 fixes this problem.
Steps to Reproduce:
1. run noflushd on kernel >2.6.9 with a SATA drive
2. it doesn't work
noflushd should work with recent kernels & drives
Created attachment 307501 [details, diff]
Trivial fix to fetch correct tarball
+*noflushd-2.8 (10 Oct 2013)
+ 10 Oct 2013; Tony Vroon <firstname.lastname@example.org> +noflushd-2.8.ebuild:
+ Version bump, as requested by Holger Hoffstätte in bug #410567.