Re: openzfs and block cloning question

From: Oleksandr Kryvulia <shuriku_at_shurik.kiev.ua>
Date: Fri, 24 Nov 2023 10:37:50 UTC
24.11.23 10:17, Alexander Leidinger:
> Am 2023-11-24 08:10, schrieb Oleksandr Kryvulia:
>> Hi,
>> Recently cperciva@ published in his twitter [1] that enabling block 
>> cloning feature tends to data lost on 14.  Is this statement true for 
>> the current? Since I am using current for daily work and block 
>> cloning enabled by default how can I verify that my data is not 
>> affected?
>> Thank you.
>
> Block cloning may have an issue, or it does things which amplifies an 
> old existing issue, or there are two issues...
> The full story is at
>     https://github.com/openzfs/zfs/issues/15526
>
> To be on the safe side, you may want to have 
> vfs.zfs.dmu_offset_next_sync=0 (loader.conf / sysctl.conf) for the 
> moment.

Thanks for clarification!