We have some improvements in this area done at RackTop by Albert Lee.
Could you open an illumos issue for the shutdown hang?
When I get time I'll try to get the relevant changes out where people
can see them, pointed to in that issue.


On Mon, Aug 5, 2024 at 4:51 PM Carsten Grzemba via illumos-discuss
<discuss@lists.illumos.org> wrote:
>
> I have a problem shutting down a server with Zpool on iscsi devices. The 
> shutdown gets stuck. In the console log I see the message:
> WARNING: Pool 'zones' has encountered an uncorrectable I/O failure and has 
> been suspended; `zpool clear` will be required before the pool can be written 
> to.
> The message looks to me like the IP connection to the storage server was 
> already terminated before the Zpool was unmounted.
> I forced the shutdown with an NMI reset so that I have a crash dump. In the 
> crash dump I see that a zone on the pool in question is still in 
> shutting_down.
> Is it possible to get information from crash dump like *svcs* of a running 
> system?
> How can I see in the crash dump whether the IP interfaces are still working? 
> Normally the SMF
> svc:/network/iscsi/initiator:default
> should wait for the zones to shutdown and reach the state installed.
> How can I see in the crash dump that the SMF dependencies are correctly taken 
> into account?
>
> Many thanks!
> Carsten
>
>
>
>
>
>
> illumos / illumos-discuss / see discussions + participants + delivery options 
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