On Thu, Dec 18, 2014 at 9:29 AM, Alan Somers <asom...@freebsd.org> wrote: > > On Wed, Dec 17, 2014 at 6:54 PM, Russell L. Carter <rcar...@pinyon.org> > wrote: > > On 12/17/14 18:30, Adam McDougall wrote: > >> > >> On 12/17/2014 19:47, Russell L. Carter wrote: > >>> > >>> > >>> > >>> On 12/17/14 16:07, Rick Macklem wrote: > >> > >> > >>>> If this is using an exported ZFS volume, it would be nice if you > >>>> could do the same test using an exported UFS file system, to see if > >>>> this is ZFS related. > >>> > >>> > >>> It is indeed using exported ZFS filesystems, but unfortunately I have > >>> no USF filesystems available to test. > >>> > >>> Russell > >> > >> > >> Can you create a zvol, newfs it with ufs and export it? > > > > > > Maybe. I would love to help if I can, w/o disrupting my existing > > carefully planned physical disk layouts. I'm a zfs novice here, do I > > need free space unallocated to existing zpools, or can I shrink an > > existing pool? (assuming that zfs can transmute lead into gold, with > > the right incantations). I have plenty of "free" space allocated to > > existing pools that span my physical drives. > > > > If I have to add a physical drive (that's possible, but it will be a > > slow drive sitting on my shelf) then I need to wait until I get back > > from holiday travels. > > > You don't need to screw with your pools at all. A zvol is like a > managed like a ZFS filesystem, except it's a block device. You can > create one and mount it with a command like this: > zfs create -V 8g mypool/myvol > newfs [options] /dev/mypool/myvol > mount /dev/mypool/myvol /mnt
Using a flash drive or temporary drive seems like a much more comprehensive test as you can fully eliminate ZFS from the picture. Which is the point of the exercise. -- Adam _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
