sg_sync(8) on Linux
The text a7dafb62b561, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
send the scsi command synchronize cache
Flags it lists
-
--count -
--group -
--help -
--immed -
--lba -
--sync-nv -
--verbose -
--version -
-V -
-c -
-g -
-h -
-i -
-l -
-s -
-v