> On Wed 03 Oct 2007 at 10:19PM, Stephen Hahn wrote: > > * Lori Alt <Lori.Alt at Sun.COM> [2007-10-04 05:11]: > > > With the introduction of zfs as a root file system, we have the > > > opportunity to change the system configuration set up by default > > > on newly-installed systems. Up until now, the installation process > > > has, by default, set up one slice to be used for both swap and dump. > > > With the change to zfs as a root file system, we won't be setting up > > > a separate slice for swap anymore. Instead, it will be a zvol within > > > the pool. Perhaps we should take advantage of the fact that the > > > nature of swap is changing anyway and also change the default > > > configuration to have separate zvols for swap and dump. > > > > Good idea--yes, please. > > I may be mistaken, but I thought that "dump to zpool" was a project > unto itself-- that the ZFS team was planning on making something > which allowed the set-aside of a contiguous region of the zpool. > > Otherwise, you're going to be modifying ZFS's metadata (i.e. allocating > blocks, doing COWs, etc) in the dump path. Have you touched > base with team ZFS to validate the assumption that this is safe/sane? > > -dp
Dan is correct. ZFS no dumpy yet. The ZFS team is working on this, but it is not currently possible to configure system safely with ZFS dump. -Mike -- Mike Shapiro, Solaris Kernel Development. blogs.sun.com/mws/
