Won't zpool replace fail b/c the new disks require ashift=12 and his existing pool devices have ashift=9?
- Rich On Mon, Jun 11, 2012 at 7:12 PM, James C. McPherson <james.c.mcpher...@gmail.com> wrote: > On 12/06/12 08:39 AM, Hans J. Albertsson wrote: >> >> Suppose: >> >> I have a system with but two disks. They're fairly small: 300GB, and use >> 512B sectors. >> >> These two disks are a mirror zpool, creqated from the entire disks. >> >> There are about 20 or so filesystems in there. >> >> The system has room for only two disks. >> >> I'd like to replace these two small disks with two 2TB disks using 4kB >> blocks. >> >> So: >> >> Is there a writeup on how to connect one of these new disks to the >> existing machine, using an external esata cabinet. >> set up a new zpool on this new disk, and transfer all the root pool data >> to the new single disk zpool. >> then set up the new zpool to be bootable. >> And last: taking the old disks out of the machine, place the new single >> disk, and another, empty, similar 2TB disk in the machine, and boot from the >> single new one as the new root zpool. And then add the second new disk as a >> mirror.. effectively running the old system exactly as it was w/o >> reinstalling anything significant, but with much roomier disks. >> >> Note: in this case there is no way to get another system to do it on. And >> a third disk can only be connected using an external cabinet and Esata or >> USB. > > > Hi Hans, > I suggest this: > > #1 set autoexpand=on for rpool > #2 connect your esata enclosure > #3 once you've got them sliced up as desired (I suggest slice 0 should cover > all > except cylinders 0 and 1), run installgrub on both new disks, to the mbr > #4 zpool replace one of your rpool disks > #5 zpool replace the other rpool disk > #6 poweroff > #7 do the physical replacement > #8 poweron > > > > James C. McPherson > -- > Solaris kernel software engineer, system admin and troubleshooter > http://www.jmcp.homeunix.com/blog > Find me on LinkedIn @ http://www.linkedin.com/in/jamescmcpherson > > > > _______________________________________________ > OpenIndiana-discuss mailing list > OpenIndiana-discuss@openindiana.org > http://openindiana.org/mailman/listinfo/openindiana-discuss _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
