vfs.zfs.vdev.bio_delete_disable - crash while changing on the fly

[Steven Hartland]

Obviously this shouldn't happen but would need a stack trace to identify 
the cause.

If you want to disable TRIM on ZFS you should really use:
vfs.zfs.trim.enabled=0

On 09/12/2016 13:13, Eugene M. Zheganin wrote:
> Hi.
>
> Recently I've encountered the issue with "slow TRIM" and Sandisk SSDs,
> so I was told  to try to disable TRIM and see what happens (thanks a lot
> by the way, that did it). But changing the
> vfs.zfs.vdev.bio_delete_disable on the fly can lead to the system crash
> with the probability of 50%. Is it just me or is this already known ? If
> it's known, why isn't this oid in a read-only list ?
>
> Thanks.
>
> P.S. My box tried to dump a core, but after a reboot savecore got
> nothing, so you just have to believe me. ;)
>
> Eugene.
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