Le 14/06/2013 09:35, Johan Hendriks a écrit : > Kimmo Paasiala schreef: >> On Fri, Jun 14, 2013 at 12:22 AM, Johan Hendriks >> <joh.hendr...@gmail.com> wrote: >>> Op 13-6-2013 14:40, Kimmo Paasiala schreef: >>> >>>> The 'device' can be a partition as well as the whole disk, use 'zpool >>>> labelclear' on the freebsd-zfs partition instead of the whole disk. >>>> >>>> -Kimmo >>>> >>>> On Thu, Jun 13, 2013 at 3:29 PM, Johan Hendriks >>>> <joh.hendr...@gmail.com> >>>> wrote: >>>>> When i use zpool labelclear, it wipes the whole disk including gpt >>>>> data. >>>>> So the whole disk is empty and i need to create the gpt partitions >>>>> again. >>>>> >>>>> Is this supposed to work like this? >>>>> The man page suggests that it only wipes the ZFS metadata. >>>>> >>>>> zpool labelclear [-f] device >>>>> >>>>> Removes ZFS label information from the specified device. >>>>> The >>>>> device >>>>> must not be part of an active pool configuration. >>>>> >>>>> -v Treat exported or foreign devices as inactive. >>>>> >>>>> This is on FreeBSD 9.1 stable r251213 memstick install. >>>>> >>>>> regards >>>>> >>>>> Johan Hendriks >>>>> Neuteboom Automatisering >>>>> _______________________________________________ >>>>> freebsd-stable@freebsd.org mailing list >>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >>>>> To unsubscribe, send any mail to >>>>> "freebsd-stable-unsubscr...@freebsd.org" >>> Thanks for your reply. >>> I will try it on the actual zfs partition. >>> >>> But imho it is a bad thing that it destroys the whole disk layout. >>> It does not remove ZFS label information, it removes ALL label >>> information >>> on the disk or device you give it >>> >>> >>> regards >>> Johan Hendriks >>> Neuteboom Automatisering >>> >> Of course, zpool(8) will do exactly what you tell it to do. It does >> not know about any partitioning schemes and assumes that the user >> knows that using labelclear on a the whole disk will potentially >> destroy all data on it including any partitioning information. >> >> -Kimmo > Well as i found out, zpool(8) does not know what it clears. ! :D > > I think an adjustment to the man page is in order here. > The man page clearly state it removes ZFS labels, not GPT, gmirror and > glabel labels. > It should mention it will remove labels from the disk/device, and that > it clears ALL labels.
I agree with that, I thought too that zpool cleared only ZFS related labels. Thankfully no damage for me because it was in a script that wipe out the entire disk. > regards > Johan Hendriks -- Florent Peterschmitt | Please: flor...@peterschmitt.fr | * Avoid HTML/RTF in E-mail. +33 (0)6 64 33 97 92 | * Send PDF for documents. http://florent.peterschmitt.fr | Thank you :)
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