Problems with uk.pool.ntp.org stability

How Nutanix helped us uncover an unexpected issue with a public NTP source *** UPDATE *** This blog identifies issues we’ve found with the UK Pool but we have since heard of issues with many regions of the ntp.org time servers. We assume that they do not respond...

Ethernet Fabric – Towards Unified Networking

As Ethernet networks grow they invariably become more complex and difficult to manage, and due to the way they have to be configured they often suffer performance penalties as they grow. Ethernet networks also have to contend with an increasingly diverse set of...
Using MPLS to add routability to Coraid’s AoE

Using MPLS to add routability to Coraid’s AoE

A common point raised when comparing iSCSI to AoE protocols is that AoE is not routable and therefore not satisfactory for Enterprise use where there may be many sites between which you wish to share data. In fact this feature is what lead to the development of iSCSI...

A comparison of AoE to FC and iSCSI protocols

One of the first issues I have to contend with when talking about Coraid storage and its use of the ATA-over-Ethernet (AoE) protocol to transfer data, is the response “Ethernet? Oh, so it’s iSCSI then?”. No it isn’t…. AoE was built from the ground up as an open...

Clearing up some misconceptions about the AoE protocol

I have stumbled upon an interesting blog conversation regarding the AoE protocol, a cornerstone of the Coraid Etherdrive storage systems we recommend. I have come across many storage professionals who just don’t seem to like simplicity in anything and AoE is so...