Am 22.02.2015 um 16:12 schrieb Stephen Harris <lists at spuddy.org>: >> nothing is using the partition >> $ lsof |grep srv >> <empty> > > Although the prompt is a $, I assume you're actually doing this as root? Yeah - its a bad behaviour doing tasks with a # prompt and then making a request in mailinglists with $ as prompt. Sorry for that. >> $ umount /srv >> umount: /srv: device is busy >> umount: /srv: device is busy >> >> >> what could keeping the device "busy" ... ? > > Is the device NFS exported? I've seem that prevent umounting even though > nothing shows up in the process list. Its a local "virtual" device (raid controller exports it as one device). -- LF