On Tue, February 23, 2010 17:58, tomwaters wrote: > Thanks for that. > > It seems strange though that the two disks, which are from the same > manufacturer, same model, same firmware and similar batch/serial's behave > differently.
I've found that the ways of writing labels and partitions in Solaris are arcane and unpredictable. The two sides of my rpool mirror are slightly different sizes, even though they're identical drives installed at the same time. I presume it's somehow something I did in the process, but I haven't nailed down exactly what (and eventually got past the point of caring). I was replacing rpool disks, so the pattern was attach new, resilver, attach new, resilver, remove old, remove old -- so it just auto-expanded to the smaller of the two new at the time the second old was removed; I didn't run into the problem of being unable to attach the disk because it's too small. (Also have to run installgrub of course, not listed in above pattern.) > I am also puzzled that the rpool disk appears to start at cylinder 0 and > not 1. Historical habit, I think, from when cylinders were much smaller and filesystems expected boot information to be outside the filesystem space (my understanding is that ZFS is set up to not overwrite where the boot stuff would be in the slice ZFS is using, just in case it's there). -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
