On Friday 21 August 2009 09:00:58 Song Zhiwei wrote: > 2009/8/21 Nikos Chantziaras <[email protected]>: > > On 08/21/2009 08:20 AM, Song Zhiwei wrote: > >> Hi all, > >> > >> I am trying to install gentoo to an embedded system and I'd like to > >> mount /var to RAM as tmpfs. How can I do it? I tried to add mount > >> command into the file /etc/conf.d/rc-extra, but it didnot work. > > > > Mount points are specified in /etc/fstab. I mount my /var/tmp/portage > > there with: > > > > none /var/tmp/portage tmpfs defaults 0 0 > > > > You can look-up the tmpfs mount options to specify the amount of RAM. > > Default is half the RAM in the system. > > > > With that being said, your system will break horribly if you mount /var > > as a tmpfs. /var is supposed to survive reboots. > > This is the question. How to mount /var as a tmpfs and the system will > not break?
You can't, simple as that. The portage data base is there. You'd have to move it elsewhere along with the cache. Details in the portage documentation. -- alan dot mckinnon at gmail dot com
