I thought pointing out some of this information might come in handy for some of the folks who are new to the (Open)Solaris world. The following section discusses differences between SMI labels (aka VTOC) and EFI GPT labels. It may not be everything one needs to know in order to successfully manage disks with ZFS, it contains a fair amount. I definitely recommend reading for anyone new to ZFS and/or (Open)Solaris. SMI labels are not evil. Dated, probably, but they are not as difficult to understand or use as people seem to want to make them out to be. See the "About Disk Labels" and "About Disk Slices" sections, in particular. The "Comparison of the EFI Label and the VTOC Label" might also be helpful. http://docs.sun.com/app/docs/doc/817-5093/disksconcepts-1?a=view For tasks and concepts around administering disks, see: http://docs.sun.com/app/docs/doc/817-5093/disksprep-31030?a=view Good adjunct information to the first link. Finally, the Wikipedia entry for the EFI GPT disk label: http://en.wikipedia.org/wiki/GUID_Partition_Table Hopefully this will be useful to someone. I apologize if others feel this is not the place for this, but I so often see questions about disk labeling, partitioning, and other associated topics. It seemed like it might be helpful to some people. I promise that my next post will deal with a very ZFS specific topic. Cheers! -- "You can choose your friends, you can choose the deals." - Equity Private "If Linux is faster, it''s a Solaris bug." - Phil Harman Blog - http://whatderass.blogspot.com/ Twitter - @khyron4eva -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/zfs-discuss/attachments/20100314/23ccc6f2/attachment.html>