Re: ZFS Permanent error <0xffffffffffffffff>:<0x0>

> ----------------------------------------
> From: Andrea Venturoli <ml@netfence.it>
> Sent: Thu Dec 01 16:50:09 CET 2022
> To: <sysadmin.lists@mailfence.com>
> Cc: <questions@freebsd.org>
> Subject: Re: ZFS Permanent error <0xffffffffffffffff>:<0x0>
> 
> 
> On 11/30/22 07:54, Sysadmin Lists wrote:
> 
> > IIRC, snapshots are valid entries. Perhaps the corrupted file is still
> > associated with other snapshots. You might need to use `zdb' to find it and
> > delete it from the filesystem
> 
> Thanks for your explanation, but this is beyond my skills currently 
> (i.e. unless I find a good tutorial on zdb).
> What should I be looking for?

Graham's suggestions look intriguing.
 
> If the file is associated to another snapshot, why doesn't it say the 
> name of this snapshot, instead of the deleted one?

I don't know. I'm not an OpenZFS developer, I'm just going off personal
experience with similar errors. IIRC, a snapshot was still holding onto the
corrupted file.

> In any case, you are saying my storage isn't exploding and I can live 
> with this harmless warning?
> If it's so, well, maybe it will go away someday as older automatical 
> snapshots are deleted.

I'd run a long smartctl test on the disks in your pool if I were you.

>   bye & Thanks
> 	av.


-- 
Sent with https://mailfence.com  
Secure and private email