[zfs-discuss] Re: Re: Undo/reverse zpool create

2007-06-22 Thread Joubert Nel
Richard, Joubert Nel wrote: If the device was actually in use on another system, I would expect that libdiskmgmt would have warned you about this when you ran zpool create. AFAIK, libdiskmgmt is not multi-node aware. It does know about local uses of the disk. Remote uses of the

[zfs-discuss] Re: Re: Undo/reverse zpool create

2007-06-22 Thread Joubert Nel
On Thu, Jun 21, 2007 at 11:03:39AM -0700, Joubert Nel wrote: When I ran zpool create, the pool got created without a warning. zpool(1M) will diallow creation of the disk if it contains data in active use (mounted fs, zfs pool, dump device, swap, etc). It will warn if it contains a

Re: [zfs-discuss] Re: Re: Undo/reverse zpool create

2007-06-22 Thread michael schuster
Joubert Nel wrote: What I meant is that when I do zpool create on a disk, the entire contents of the disk doesn't seem to be overwritten/destroyed. I.e. I suspect that if I didn't copy any data to this disk, a large portion of what was on it is potentially recoverable. If so, is there a tool

Re: [zfs-discuss] Re: Re: Undo/reverse zpool create

2007-06-22 Thread Darren Dunham
What I meant is that when I do zpool create on a disk, the entire contents of the disk doesn't seem to be overwritten/destroyed. I.e. I suspect that if I didn't copy any data to this disk, a large portion of what was on it is potentially recoverable. Presumably a scavenger program could try

Re: [zfs-discuss] Re: Re: Undo/reverse zpool create

2007-06-22 Thread Eric Schrock
On Thu, Jun 21, 2007 at 07:34:13PM -0700, Joubert Nel wrote: OK, so if I didn't copy any data to this disk, presumably a large portion of what was on the disk previously is theoretically recoverable. There is really one file in particular that I'd like to recover (it is a cpio backup). Is