Re: help with full zfs "partitions" - can't delete files

On 6/3/24 13:28, William Dudley wrote:
> The problem:
> 
> FreeBSD 13.3 amd64 system, with
> a zfs pool built from two physical drives.

Mirrored or striped layout?

> The zfs pool has 7 "partitions" (is that what they're called?)
> 
> I was copying files over from another machine and didn't realize that
> I filled one of the partitions.

What user? What command(s)?

> I can't proceed now with this one full partition.

If the pool is full, all datasets on it should be impacted instead of 
just one.

> Every single command fails due to "out of space".
> 
> That includes:
> rm (one file or many)
> dd if=/dev/zero of=(some file)
> truncate (somefile)
> zfs destroy poolname/partitionname
> cannot destroy 'poolname/partitionname': out of space

Tried as root? Users are limited from filling a partition fully. I 
thought ZFS always forces a certain amount be free to avoid issues like 
being unable to COW write to delete data.

> There are no snapshots, I never created any.
> 
> Extensive googling has not shown any more than bug reports acknowledging
> that this is a problem.
> 
> How do I fix this, short of burning the machine to the ground and 
> starting over?
> 
> Thanks,
> Bill Dudley
> 
> This email is free of malware because I run Linux.

No system, Linux included, can guarantee that. I have Linux malware 
infested botnets reaching out to me every day though 'usually' not by email.