> > in an attempt to save power on FreeBSD servers, I'm > > trying to replace the hdd with a ramdisk. The idea is to: > > > > 1. boot from the hdd (or netboot from an NFS server) > > 2. configure a ram disk (md(4)) > > 3. copy everything that's needed to ram disk > > 4. transfer kernel root to ramdisk (*) > > 5. turn off the hdd (**) > > > > (*) is the hairy question. > > (**) How can that be done? > > I'm probably in over my head here, but; > chroot should change the root filesystem for you. > (look in the manpages for more details)
Nope, chroot(2) affects only the calling process, not the whole system. > As for powering down the hdd I did find a page for this, > but havent had time to play with it yet: > http://www.cran.org.uk/bruce/software.php ATAidle is great. Just tried it successfully on a 5.2-RELEASE with two drives. powering down the inactive drive (not the one with swap and root-fs) is possible this way. Thanks, -cpghost. -- Cordula's Web. http://www.cordula.ws/ _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"