Richard W.M. Jones wrote: > On Wed, Jun 02, 2010 at 03:13:21PM -0500, Eric Sandeen wrote: >> Jon Masters wrote: >>> On Wed, 2010-06-02 at 13:03 -0700, Roland McGrath wrote: >>>>> Hm. I can see the use of this, but I can also see issues with how you >>>>> do updates for it sanely (if at all.) >>>> Why would you do updates for it? Your install CD/DVD to use for rescue >>>> boot doesn't get updated. I'd think you'd just install a pristine newer >>>> one verbatim if you had a reason to bother, like deciding to burn a new CD. >>>> Hence the nice automagic deployment feature would reserve two partitions >>>> (or whatevers) for the purpose, so you can install the new image on B and >>>> still have the option to boot A if the new one is bad. >>> So I'm willing to help out on this (once RHEL stuff calms down a bit). >>> Do you think it's worth us putting together a wiki feature proposal? >>> >>> Jon. >>> >>> >> Is it better to have a separate volume for this, or to just have a sort >> of rescue initramfs ...? > > Or if you are able to run a little bit of C code[1] and can read files > from the root partition (as grub can), you can build one on the fly > using binaries, libraries etc found on the root disk, which is what we > do in libguestfs. .... which then solves the "how do I update it?" problem. (of course if you're trying to recover from an update that borked your system, I guess you hope you didn't update the rescue recently!) -Eric > Rich. > > [1] http://git.annexia.org/?p=febootstrap.git;a=blob;f=febootstrap-supermin-helper.c;hb=HEAD > -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
