that works perfect, and I got what I want on the disk.
thanks a lot, Cindy !!! Thanks, James Yang Global Unix Support, IES, GTO Deutsche Bank US Phone: 201-593-1360 Email : jianhua.y...@db.com Pager : 1-800-946-4646 PIN# 6105618 CR: NYC_UNIX_ES_US_UNIX_SUPPORT http://dcsupport.ies.gto.intranet.db.com/ --- This communication may contain confidential and/or privileged information. If you are not the intended recipient (or have received this communication in error) please notify the sender immediately and destroy this communication. Any unauthorized copying, disclosure or distribution of the material in this communication is strictly forbidden. Deutsche Bank does not render legal or tax advice, and the information contained in this communication should not be regarded as such. cindy.swearin...@s un.COM To 01/05/09 03:25 PM Jianhua Yang/db/db...@dbamericas cc zfs-discuss@opensolaris.org Subject Re: [zfs-discuss] how to convert ZFS formated disk back to traditional Sun disk ? Jianhua, Use the format-->label command, like the output below. Cindy # format -e c0t1d0 selecting c0t1d0 [disk formatted] FORMAT MENU: disk - select a disk type - select (define) a disk type partition - select (define) a partition table current - describe the current disk format - format and analyze the disk repair - repair a defective sector label - write label to the disk analyze - surface analysis defect - defect list management backup - search for backup labels verify - read and display labels save - save new disk/partition definitions inquiry - show vendor, product and revision scsi - independent SCSI mode selects cache - enable, disable or query SCSI disk cache volname - set 8-character volume name !<cmd> - execute <cmd>, then return quit format> label [0] SMI Label [1] EFI Label Specify Label type[0]: 0 Ready to label disk, continue? yes format> Jianhua Yang wrote: > cyril.pli...@gmail.com wrote on 01/05/2009 02:37:51 PM: > > > On Mon, Jan 5, 2009 at 9:27 PM, Jianhua Yang <jianhua.y...@db.com> wrote: > > > I'm newbie in ZFS, and have question: > > > > > > how to convert ZFS formated disk back to tradistional Sun disk ? > > > > format -e > > > > will let you choose between two types of label - EFI and SMI. > > > > ZFS uses EFI when you give the whole disk to it. SMI is a traditional > > label used historically on disks. I persoanlly see no reason to go > > back to SMI even if disk is not part of zpool (boot disk is notable > > exception). However, if you really need it format -e is your friend. > > format -e c3t0d0 will not read /etc/format.dat as shown below: > # *format -e c3t0d0* > selecting c3t0d0 > [disk formatted] > > > FORMAT MENU: > disk - select a disk > type - select (define) a disk type > partition - select (define) a partition table > current - describe the current disk > format - format and analyze the disk > repair - repair a defective sector > label - write label to the disk > analyze - surface analysis > defect - defect list management > backup - search for backup labels > verify - read and display labels > inquiry - show vendor, product and revision > scsi - independent SCSI mode selects > cache - enable, disable or query SCSI disk cache > volname - set 8-character volume name > !<cmd> - execute <cmd>, then return > quit > format> > "type" provides only two options: > 0. Auto configure > 1. other > Option of "0" creates following VTOC: > Part Tag Flag First Sector Size Last Sector > 0 root wm 34 128.00MB 262177 > 1 swap wu 262178 128.00MB 524321 > 2 unassigned wu 0 0 0 > 3 unassigned wm 0 0 0 > 4 unassigned wm 0 0 0 > 5 unassigned wm 0 0 0 > 6 usr wm 524322 8.18GB 17672848 > 7 unassigned wm 0 0 0 > 8 reserved wm 17672849 8.00MB 17689232 > from above VTOC, is partition 8 the same as traditional partition 2 ? > > --- > This communication may contain confidential and/or privileged information. > If you are not the intended recipient (or have received this communication > in error) please notify the sender immediately and destroy this > communication. Any unauthorized copying, disclosure or distribution of the > material in this communication is strictly forbidden. > > Deutsche Bank does not render legal or tax advice, and the information > contained in this communication should not be regarded as such. > > > ------------------------------------------------------------------------ > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
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