On 06/15/2012 02:14 PM, Hans J Albertsson wrote: > I've got my root pool on a mirror on 2 512 byte blocksize disks. > I want to move the root pool to two 2 TB disks with 4k blocks. > The server only has room for two disks. I do have an esata connector, though, > and a suitable external cabinet for connecting one extra disk. > > How would I go about migrating/expanding the root pool to the larger disks so > I can then use the larger disks for booting? > > I have no extra machine to use.
Suppose we call the disks like so: A, B: your old 512-block drives X, Y: your new 2TB drives The easiest way would be to simply: 1) zpool set autoexpand=on rpool 2) offline the A drive 3) physically replace it with the X drive 4) do a "zpool replace" on it and wait for it to resilver 5) offline the B drive 6) physically replace it with the Y drive 7) do a "zpool replace" on it and wait for it to resilver At this point, you should have a 2TB rpool (thanks to the "autoexpand=on" in step 1). Unfortunately, to my knowledge, there is no way to convert a bshift=9 pool (512 byte sectors) to a bshift=13 pool (4k sectors). Perhaps some great ZFS guru can shed more light on this. -- Saso _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
