ZFS hang in zfs_freebsd_rename

[Paul Kraus]

On Dec 16, 2015, at 5:56, Andriy Gapon <avg at FreeBSD.org> wrote:

> On 15/12/2015 16:52, Bengt Ahlgren wrote:
>> So this is likely fixed then in 10.x?
> 
> No and neither in head / current.  We haven't had any fixes in ZFS<->VFS code
> for quite a long while.
> And this is a FreeBSD-specific problem.  zfs_rename() does not behave as
> VOP_RENAME should do with respect to the vnode locking.

I assume that a zpool export followed by an import using the UUID and giving the pool a different name is a suitable workaround ? This also assumes downtime.

--
Paul Kraus
paul at kraus-haus.org