I'll start by answering the title question first. IOP is an acronym standing for Input Output Operation. It does seem like it should be IOO, but that's just not the way it worked out.
A related fact to note: we generally talk either about total IOPs for a given task, or we talk about a rate - IOPs per Second typically, noted as IOPS with a capital "S". And with that, the Wikipedia portion of today's discussion is complete. Let's move on to why we care about IOPs...
Cisco ACI, Cisco’s software-defined networking (SDN) architecture, enhances business agility, reduces TCO, automates IT tasks, and accelerates data center application deployments.
I've told several groups I've spoken to recently that "disk storage hasn't gotten faster in 15 years". Often that statement is met with some disbelief. So let me explain my reasoning...
When working with EMC support, it may become necessary to export and upload SPCollect logs from your array and send to the EMC support team. Below is an easy way to obtain the requested SPCollect information.
If there are disk array or networking issues in VMware ESX 3.x or vSphere, some virtual machines (VMs) may appear in the vSphere Client as being Invalid and are greyed out. The following steps will fix this issue.
Updated 2/4/13
One of the resources at HP (thanks Ben!) made the following comment to one of our customers and I thought it'd be a perfect post for the blog as it contains some useful information that some might not be aware of.
Sometimes you will be asked by either the manufacturers support or perhaps by Lewan for data from your Fibre Channel switch. Here is how you can gather that information in a format that helps support and/or Lewan:
