zfs out of space

[David Christensen]

On 3/1/21 6:40 PM, Tomasz CEDRO wrote:
> Hello world :-)
> 
> I have problem with ZFS running out of space. 12.1 release.
> 
> Removed all snapshots. No reservations. Removed 1TB backup file. Scrub
> shows no problem. I should have 1TB free space. That space momentarily
> disappeared.
> 
> zpool list shows free 43.5G, alloc 1.32T, size 1.36T.
> 
> zfs list shows 9.64M avail.
> 
> zpool status shows checkpoint consumes 247G.
> 
> Should I refresh stuff anyhow?
> 
> Any hints welcome :-)

I would try discarding the checkpoint:

# zpool checkpoint --discard pool


David