On Fri, Jan 16, 2015 at 11:47 AM, Andrew Gabriel < illu...@cucumber.demon.co.uk> wrote:
> On 01/16/15 03:47 PM, Gary Gendel wrote: > >> On 01/16/2015 10:22 AM, Andrew Gabriel wrote: >> >>> On 01/16/15 02:37 PM, Gary Gendel wrote: >>> >>>> >>>> I thought about creating a new BE and then sending the current BE to >>>> it, but there doesn't seem to be enough room. >>>> >>> >>> Since rpool can only be either a single disk or a mirror, the easiest >>> way to defrag it is to attach another mirror side and let it resilver. The >>> new mirror side will be defragged. Make sure the new disk is bootable (has >>> grub etc on it), and then zpool split off the old disk. It would be a good >>> opportunity to move to a bigger rpool disk too. >>> >>> Yes, this is the rpool and is mirrored. Would resilvering really >> defragment it? >> > > Yes, space is allocated afresh when resilvering (which is a significant > difference from traditional RAID). I find that surprising. Does the metadata on the older drive(s) manage to refer to the new, independent location of the blocks on the new mirror, and if so, how? _______________________________________________ openindiana-discuss mailing list openindiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss