This doesn't sound right, imagine you lose an entire switch, will you end up with all dynamic IP addresses getting moved?  I'm checking internally on this...

yes, disabling one of the two physical interfaces in LACP aggregation per node, dynamic IP are moved to other nodes. After disabling the interface on last node the IP stay on the last node. SSIP gets moved no nowhere (disappears) which is a real issue.

Support says, that dynamic IP are moved in case of one iface is offlined in LACP - which sounds for me like a bug, not mentioning SSIP behavior.

Stefan

I've confirmed with some internal resources that this issue will get escalated to engineering soon since it shouldn't do that.  This is a fairly new issue; if you have a case opened with support you can point them to this thread and they can contact me via internal email.

Ack, will do.

Yan,

Can you provide an update when you get one ? We are in the early stages of planning 8.1 upgrade and migration to Gen6 nodes.

Thank you

Issue being investigated by engineering as part of bug# 222296.

Thank you Yan. I guess it's too early to ask for a resolution ETA.

Correct, no info on that yet.

That is interesting timing: I think we hit exactly the same issue last week: We have two Dell N-series switches in a stack.  We have LACP in use, so each node has one 10G on switch A, and one 10G port on switch B, and LACP in use (which works because they are stacked).

The reboot of one switch caused one 10G link to drop on all nodes (the other 10G link stayed up), and caused an "All links in LACP offline" event, which caused all dynamic pool IPs to move away.

And we are on OneFS 8.1.0.2 as well…

Our SR is 10593111

From your SR, it sure looks like the same issue.  FYI, the previously mentioned bug was the escalation bug#.  The actual product bug# for the 8.1.0.x code branch is 222431.  What you can do is request a patch for 8.1.0.2 for that bug via support.  The bug isn't fully resolved yet but is being worked on.