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8.3 Simulator core dumps, then Cluster LIF is lost...

I needed to setup the 8.3 simulator from scratch today because my last weeks setup suddenly went into a core dump when entering licenses. After reboot the Cluster Management LIF was gone. I decided to re-setup the whole thing and after one our of uptime, licenses were already entered, nothing else setup so far it core-dumped again. And again Cluster-LIF was gone. This makes it unusable so far.

 

I use VMWare Workstation 8.0.1 on Win7, cDOT 8.2 and 7dot Simulators are running fine for a long time.

 

Anyone with similar behaviour?

 

Regards from NetApp Hamburg

Oli

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

is vol0 full?

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

Hi,

 

vol0 was at 95%, I added some disks, now it's at 35%, LIG is there. But it still coredumpd after just some basic commands. Very unstable, in fact the most unstable simulator I had so far.

 

2015-01-07 cdot sim dump.png

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

Did you expand the volume as well, or just add them to the aggr?  The panic is in VHA_DISK_MAIN.  VHA is Virtual Host Adapter, which is the data disk model used in the standard vsims. so its related to the FOD simdisk code, hence still thinking its a vol full or related problem with the simdisk subsystem.

 

I'd rebuild with 4gb sim disks.  Seems stable enough at that size.

 

 

 

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

I expanded the Volume vol0 as well now - it had 280 MB left, now it hat 1.3 GB left. Then I tried to form a SSD Pool (added SSDs before) - then it coredumped again. Maybe this is not working?

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

Creating SSD pools doesn't appear to work, and attempting it does seem to intermittently crash the sim.

 

I get a debug message in the log and a timeout failure on the job.

The debug event reads:

raid.debug: raid_lm_disk_partition_create: v2.16 state: RAID_LM_FSM_NEEDS_CNTR_ASSIM

 

Maybe its expecting the partner to be present. 

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

OK, thanks. So I stop working on that Smiley Frustrated

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

[ Edited ]

 

 

Same here.  After trying to add an SSD pool on both nodes of my vDOT cluster, node 01 keeps failing and rebooting.  However, when it comes up, the cluster LIF is inaccessible.

I have to login and restart node 02 and the cluster LIF comes back up.

 

I also do not see any pools having been created.

 

I just tried adding two more vdisks to aggr0, I'll report back if it makes any difference.

 

cap1.png

 

Adding discs made no difference at all.  Any clues?

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

I tried it in 8.3RC2, and it still doesn't work, but it doesn't crash the sim either.  

 

Now it errors out sharing the first disk in the list, and leaves a phantom record in the storage pool list.  

 

Better than a panic.

 

Re: 8.3 Simulator core dumps, then Cluster LIF is lost...

Nevermind.  Still crashed, just took a while.

 

Recovered by deleting the affected simdisk and the ,reservations file.

 

Working theory is VHA diskmodel simdisks don't survive being partitioned.