Open Stack

On 27/10, Grant Morley wrote:
> Hi all,
>
> We are seeing some oddness on a couple of our compute hosts that seems to be
> related to iSCSI. On a couple of our hosts I am seeing this error in the
> nova compute logs:
>
> 2020-10-27 18:56:14.814 31490 WARNING os_brick.initiator.connectors.iscsi
> [req-8613ae69-1661-49cf-8bdc-6fec875d01ba - - - - -] Couldn't find iscsi
> sessions because iscsiadm err: iscsiadm: could not read session targetname:
> 5
> iscsiadm: could not find session info for session1707
>
> That seems to also stop any instance on the compute host from being able to
> reboot.  Reboots seem to get accepted but the instance never completes and
> gets stuck in the reboot state:
>
> 2020-10-27 19:11:58.891 48612 INFO nova.compute.manager [-] [instance:
> c8079e85-4777-4615-9d5a-3d1151e11984] During sync_power_state the instance
> has a pending task (reboot_started_hard). Skip.
> 2020-10-27 19:11:58.891 48612 INFO nova.compute.manager [-] [instance:
> 31128f26-910d-411f-98e0-c95dd36f4f0f] During sync_power_state the instance
> has a pending task (reboot_started_hard). Skip.
>
> Does anyone know of a way to resolve this without rebooting the entire
> compute host? I can't see any other issues other than the fact there is this
> iSCSI error which in turn seems to stop nova from processing anything for
> any instance.
>
> Any advice would be much appreciated.
>
> Regards,

Hi Grant,

What os-brick version are you using? If you don't know, then what
OpenStack release are you using?

Are you using containerized or non-containerized nova compute services?

Cheers,
Gorka.

>
> --
> Grant Morley
> Cloud Engineer, Civo Ltd
> Unit H-K, Gateway 1000, Whittle Way
> Stevenage, Herts, SG1 2FP, UK
>
>
> Visit us at www.civo.com <https://www.civo.com/>
> 	Signup for an account now > <https://www.civo.com/signup>
>