We recently switched our environment from a pair of HP DL 380 G7s backended by iSCSI based P4500G2s to a Cisco HyperFlex HX system. I have a proxy server in the site that backs up to a DD2200. I finally finished migrating everything but the backups are not going well. The transfer rate is great, but between transfers there's a lot of hanging. For example, in one backup, I have 6 servers. 2 servers kick off and backup sequentially and both reach 99% really quickly. They get to 99% and then just hang. I can see disk 1 gets backed up on both servers and that the proxy is using hotadd. After it hits 99% it just hangs. I have opened a ticket with Veeam (#0190401) and we are just going through basic troubleshooting right now but I wanted to see if anyone else is using Cisco HyperFlex HX and Veeam 8 (currently using Veeam 220.127.116.114). Anyone have any thoughts on where I should begin?