Re: OpenZFS 2.2 -> 2.2.1 Block Cloning Bug Data Corruption

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  James Miller
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On 2023-11-23 12:01, mike tancsa  <mike@sentex.net>  wrote:
> On 11/23/2023 8:36 AM, Julien Cigar wrote:
> >  On Thu, Nov 23, 2023 at 01:07:33PM +0100, infoomatic wrote:
> >>  On 23.11.23 12:05, Julien Cigar wrote:
> >>>  On Thu, Nov 23, 2023 at 02:20:49AM +0100, Tomek CEDRO wrote:
> >>>>  https://www.phoronix.com/news/OpenZFS-2.2.1-Released
> >>>  Fortunately block cloning is disabled by default on 14.0-RELEASE,
> >>>  (see vfs.zfs.bclone_enabled)
> >>>
> >>  I would not be too sure about that, see [1]. It seems just that with
> >>  this option disabled it is much harder to hit the bug.
> >>
> >>  [1] https://github.com/openzfs/zfs/issues/15526#issuecomment-1823857131
> >  Ah, thanks for the link..! I hope an EN will be published ASAP then, it
> >  looks a serious issue..
>
> Am I right in reading
> sudo sysctl -w vfs.zfs.dmu_offset_next_sync=0
>
> to work around the issue for now ?
>
>      ---Mike
>
>
>
>