iSCSId stopping on rack controllers after a while

[Andreas Hasenack]

Jim,

could this be https://bugs.launchpad.net/maas/+bug/1659948 ?


On Thu, Feb 9, 2017 at 8:47 PM, Jim Tilander <jim at tilander.org> wrote:

>
> On Feb 9, 2017, at 1:23 PM, Andres Rodriguez <andres.rodriguez at canonical.
> com> wrote:
>
> Hi Jim,
>
> On Thu, Feb 9, 2017 at 3:34 PM, Jim Tilander <jim at tilander.org> wrote:
>
>> Hi,
>>
>> I’ve got a separate region / rack controller setup and I’ve noticed that
>> after a while, the rack controllers seem to fail to serve iSCSI, causing
>> the boot agents to hang during their boot up (see attached screenshot). Has
>> anyone seen this? Any potential workarounds / fixes?
>>
>>
> I'd really need a bit more detail, but I've not particularly seen an issue
> where tgtd would just stop on the rack controllers. A few questions though:
>
> 1. How often does this happen ? (multiple times a day, once a day, etc?)
>
>
> It only happened once so far it seems.
>
> 2. Is MAAS updating its images while machines are booting that could cause
> this? (for e.g. rack controllers syncing new images while machines are
> booting).
>
>
> No, this is during a steady state — nothing really was happening in the
> system (don’t have many images nor nodes yet).
>
> 3. Check the UI (images page, or rack controller details) to see if there
> are any errors (i.e. rack controller disconnected, tgt not running, error
> while downloading images, etc).
>
>
> It all looked green.
>
> 4. Can you provide logs? (/var/log/maas/rackd.log and
> /var/log/maas/regiond.log on the region).
>
>
> I can dig up some logs and attach to a bug.
>
>
> Thanks!
>
> Jim
>
>
>
>
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