> On the other side allow jumbo frames and change mtu on even hundreds on > nodes is extremely simple, > > you can just test it. I don't see "bunch of extra work" here, just use ssh > and some scripting or something like ansible... Our issue is we decided to simplify the configuration in our cluster manager so that cluster management traffic, NFS, and gluster are co-mingled. Works great. However, we often need to talk to BMCs on that same network, and many BMCs don't handle MTU 9K correctly. Often a BMC will seem to work but if you send something big like firmware flash to it, it never completes the transfer due to the MTU mismatch. So the "hard part" is due to our own stuff. We have a method in the cluster manager to put BMCs in a separate network but that isn't a common choice. We are investigating using MTU size-by-path but that gets complicated to test. Therefore, we are looking to understand the real-world problem with a 1500 MTU on 2x bonded 10G networks with gluster to decide if we want to put time and resource to solve the problem. It's been working pretty well at 1500 MTU so far. If the only issue is less throughput, that may be a price we can pay since we're not bandwidth bound right now. Erik ________ Community Meeting Calendar: Schedule - Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC Bridge: https://bluejeans.com/441850968 Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users
