Fixed the IPoIB performance issue

For our Unison Parallel File Systems Appliance: [root@unison-jr4-2 ~]# iperf -c 10.3.1.1 ———————————————————— Client connecting to 10.3.1.1, TCP port 5001 TCP window size: 1.00 MByte (default) ———————————————————— [ 3] local 10.3.1.2 port 48383 connected with 10.3.1.1 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 13.5 GBytes 11.6 Gbits/sec and of course in … Read moreFixed the IPoIB performance issue

A network we can work with …

A Unison file system appliance connected with Infiniband and 10GbE. [root@unison-jr4-2 ~]# qperf 10.3.1.1 rc_bi_bw rc_bi_bw: bw = 9.7 GB/sec [root@unison-jr4-2 ~]# qperf 10.3.1.1 ud_lat ud_bw ud_lat: latency = 3.66 us ud_bw: send_bw = 4.9 GB/sec recv_bw = 4.9 GB/sec and of course, IPoIB [root@unison-jr4-2 ~]# qperf 10.3.1.1 tcp_bw tcp_lat tcp_bw: bw = 474 MB/sec … Read moreA network we can work with …

Violin's (and other pure flash array vendors) post IPO struggles continue

There’s a story on The Register right now about Violin Memory losing its CTO. But that’s not the real interesting story. In the article, Chris Mellor does a pretty good job of laying bare the issues around Violin. Home-made? Nah, we ordered in Violin is generally agreed to lack its own software IP of any … Read moreViolin's (and other pure flash array vendors) post IPO struggles continue