ZFS pools in "trouble"

[Peter Eriksson]

What type of hardware are you using? Server, controllers and disks?

- Peter

> On 26 Feb 2020, at 18:09, Willem Jan Withagen <wjw at digiware.nl> wrote:
> 
> Hi,
> 
> I'm using my pools in perhaps a rather awkward way as underlying storage for my ceph cluster:
> 	1 disk per pool, with log and cache on SSD
> 
> For one reason or another one of the servers has crashed ad does not really want to read several of the pools:
> ----
>  pool: osd_2
> state: UNAVAIL
> Assertion failed: (reason == ZPOOL_STATUS_OK), file /usr/src/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c, line 5098.
> Abort (core dumped)
> ----
> 
> The code there is like:
> ----
>        default:
>                /*
>                 * The remaining errors can't actually be generated, yet.
>                 */
>                assert(reason == ZPOOL_STATUS_OK);
> 
> ----
> And this on already 3 disks.
> Running:
> FreeBSD 12.1-STABLE (GENERIC) #0 r355208M: Fri Nov 29 10:43:47 CET 2019
> 
> Now this is a test cluster, so no harm there in matters of data loss.
> And the ceph cluster probably can rebuild everything if I do not lose too many disk.
> 
> But the problem also lies in the fact that not all disk are recognized by the kernel, and not all disk end up mounted. So I need to remove a pool first to get more disks online.
> 
> Is there anything I can do the get them back online?
> Or is this a lost cause?
> 
> --WjW
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