The other day I noticed an auto license plate in a parking lot with the word "MOBILE" across it. Clearly, the owner of the car wanted to let the world know he/she was "MOBILE". That got me thinking about the message of the plate. Was the message about the being physically mobile in the new car? Did he/she have the latest mobile smartphone, smartpad, or smartest decoder ring? Did the owner sell mobile devices or develop mobile apps? What ever the message was it was cloudy at best and I decided that I wouldn't... [More]
I think that this Heartbleed bug is going to be an observational comedian's dream. Well I guess one that is a bit of an IT geek anyway. Not quite sure what the Pub Landlord will make of it, but I am sure that he will have some kind of an opinion. Probably not fit to print.
Anyway, on to the serious stuff. I thought that as there is a lot of confusion as to what it is, what should you do, where should I go in IBM to find out more, that I would throw something together that gives a little bit of background to it (that may or may not be... [More]
For several years already the DS8000 series has featured two types of space efficient volumes:
Track space efficient (TSE) volumes
Extent space efficient (ESE) volumes
Track space efficient (TSE) volumes are used as target volumes of a FlashCopy Space Efficient operation and require the definition of a repository from which tracks are gradually allocated.
Extent space efficient (ESE) volumes are the actual thin provisioned volumes that can be used by host applications.The dynamic... [More]
What do Tivoli Storage Productivity Center, Arxview and Galileo have in common and why am I blogging about them?
Everyone who knows me knows I am a Tivoli Storage Productivity Center fanatic. Why would you use any other product for monitoring your storage infrastructure?
While writing the IBM Redbooks publication Scale Out Network Attached Storage Monitoring , SG24-8207, I learned that the monitoring tools we used can work together to provide a complete view of your environment. The tools documented in this publication... [More]
Starting with IBM Storwize Family Software V7.2, including IBM SAN Volume Controller, we introduced native replication over IP networks. As this IBM Redpaper describes, you will see that it is easy to configure in an existing IP infrastructure. This is a lower-cost alternative to the Fibre Channel-based and FCoE-based replication, and by having it within the software itself, it can eliminate the need for FCIP routers and dark fibre.
This native IP replication addition allows us to:
Accelerate the flow of data
z/OS V2.1 became available at the end of September 2013. It seems that many of you are getting ready to implement it, or are seriously considering it.
Just wanted to remind you that the DFSMS V2.1 IBM Redbooks publication is available for download here:
As always, the team that worked on this book spent a lot of hours exercising the function and then documenting their experiences to provide you with the information you need to understand... [More]
If your XIV Storage System is connected to a Brocade Fabric, be aware of the following:
For Brocade Fabric OS versions 6.2.0, 6.2.0a, and 6.2.0b, the default fillword is "ARBF/ARBF" (mode 1)
For Brocade Fabric OS versions 6.2.0c to 6.4.x, the default fillword changed to "IDLE/IDLE" (mode 0).
--> The "IDLE/IDLE" fillword setting is not supported with 8GbpsXIV storage system ports, and might cause loss of connectivity.
The XIV... [More]
I BM Tivoli Storage Manager for Virtual Environments (referred to as Data Protection for VMware) provides a comprehensive solution for protecting VMs. The Tivoli Storage Manager for Virtual Environments product compliments other Tivoli Storage Manager products. There are two sources of information I wanted to point you to. One I worked on, the other I stumbled upon.
The Tivoli Storage Manager for Virtual Environments - Data Protection for VMware Deployment Guide IBM® Redpaper™ publication helps you to install, tailor,... [More]
I was flying above the clouds headed for Tokyo after working on our Redbooks Publication IBM SmartCloud Storage Access V1.2 Implementation Guide in Shanghai. It was a very uneventful flight and then I saw something looming in the distance rising up through the clouds. Although I tried to tie the object up ahead to an analogy of my storage cloud work I quickly figured out that we were doing an amazing fly by of Mt. Fuji from 20K+ ft.
Recently, I published a draft of a new Redpaper,... [More]
The draft of the Tivoli Storage Productivity Center V5.2 Release Guide , SG24-8204 is available. You can download a copy here:
As you know, the install of Tivoli Storage Productivity Center has improved with each release. So for this book the team did not feel it was necessary to provide detailed installation information. While installation hints and tips are included, things that we found during the install that we thought were important to... [More]
We have recently released the draft of the third edition of the IBM ProtecTIER Implementation and Best Practices Guide, SG24-8025 . This IBM Redbooks publication is written at the ProtecTIER PGA 3.3.x level.
This book provides the latest best practices and expertise gained from the IBM ProtecTIER Field Technical Sales Support (FTSS/CSS) Group, development, and Quality Assurance teams to boost the performance and the effectiveness of data deduplication for your ProtecTIER family of products and application platforms. The available... [More]
We recently released the new IBM Redbooks draft: Harnessing the Power of ProtecTIER and Tivoli Storage Manager . This book helps you plan, install, tailor, configure, and monitor ProtecTIER products with Tivoli Storage Manager. We provide you step-by-step guidance and tips to harness the performance and the power of the two products working together as a data protection and deduplication solution.
This book also explains the concepts and differences between ProtecTIER and Tivoli Storage Manager... [More]
Bottlenecks are, well, a pain in the neck, as anyone who has worked in IT well knows. Often there is little information to ascertain what the problem is and diagnosis can be time consuming and often fruitless. And this is a problem that can be exacerbated by the more complex SAN environments that exist these days, and if you couple this with the speeds at which the SAN can now operate, then any bottleneck can have an immediate noticeable effect.
So, how do we mitigate this? Well the first thing is to make sure that the detection tools are... [More]
Over the past many years (more than I care to admit) that I worked in IBM ® System & Technology Group, and now as an ITSO Storage Project Leader, I have witnessed amazing performance improvements:
CPU speed has increased up to 8-10X
DRAM speed up to 7-9X
Network speed up to 100X
Bus speed up to 20X
Speed has increased in just about every facet. But, I have also found that disk speed has increased only up to 1.2X . Historically it has been the disk tier that is the bottleneck and slows... [More]
Characterized by its performance and reliability, the Fiber Channel Protocol (FCP) has emerged as the technology of choice for block-based storage access.
While iSCSI over Ethernet has been an option for lower-cost storage networking, the performance limitations and packet loss that are associated with Ethernet have limited the usefulness of iSCSI in demanding storage environments.
With the advent of 10 Gbps Ethernet, and the development of lossless Ethernet technology, internet Small Computer System Interface... [More]