On Tue, Jan 12, 2010 at 01:26:15PM -0700, Cindy Swearingen wrote: > I see now how you might have created this config. > > I tried to reproduce this issue by creating a separate pool on another > disk and a volume to attach to my root pool, but my system panics when > I try to attach the volume to the root pool.
Oops.. "Now you have two problems". > This is on Nevada, build 130. > > Panic aside, we don't currently recommend building pool components on > top of other pool components because deadlocks can occur. Aside from all of that... forget it happened to be a zvol. Say it was a file on NFS or UFS, or a lofi crypto device, or whatever other kind of block device, the issue remains: zpool offline doesn't seem to cause the device to be closed, leading to various other kinds of problems when trying to remove that device or underlying layers. -- Dan.
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