Edit: Still good stuff. Originally posted January 6, 2015 on AIXchange I wanted to know the VIO server version I was running. Simple, right? I ran $ioslevel, and learned I was on Version 2.2.3.4. That’s nice, but how do you find out if you’re running fixpacks or service packs? How can you get more information … Continue reading “Getting Detailed VIO Server Info”
Category: AIXchange archives
Chef Client and Other Nuggets from Twitter
Edit: Some links no longer work. Originally posted December 23, 2014 on AIXchange Recently on his Twitter feed, IBMer Jay Kruemcke noted that Chef Client is now available on AIX. I’ll write about this in detail in the near future, but for now, here’s the word from Chef’s website: “Today I’m very pleased to announce the availability of … Continue reading “Chef Client and Other Nuggets from Twitter”
Is This the End for Desktops and Laptops?
Edit: I am still running my laptop and desktop. Originally posted December 16, 2014 on AIXchange Lately I’ve read several commentators predict that desktops and laptops will soon be completely replaced by tablets and phones. I sure hope they’re wrong. Although there’s much to be said for the portability of a phone or a tablet, … Continue reading “Is This the End for Desktops and Laptops?”
Creating Additional VLANs With the HMC CLI
Edit: Some links no longer work. I still love the CLI. Originally posted December 9, 2014 on AIXchange When I create LPARs, I prefer the HMC command line interface (CLI) to the GUI. The CLI is especially advantageous when I’m using a VPN to a remote site that’s slower than I’d prefer. Pointing and clicking … Continue reading “Creating Additional VLANs With the HMC CLI”
Dummy Devices
Edit: Do you still manage disks manually? Originally posted December 2, 2014 on AIXchange A customer was looking to assign SAN LUNs to a pair of VIO servers using vSCSI. When the VIO servers were configured, VIO1 was assigned adapters containing odd numbers of internal disks: VIO1 lsdev -Cc disk hdisk0 Available 04-00-00 SAS RAID … Continue reading “Dummy Devices”
The Value of Hardware Maintenance
Edit: Keep your maintenance current. Originally posted November 25, 2014 on AIXchange Recently, a customer was looking for help with their machine, a 7038-6M2 running AIX 5.1. The customer attempted to call IBM for assistance. They didn’t get very far at first. This machine was announced in 2002 and withdrawn from marketing in 2005. In addition, IBM … Continue reading “The Value of Hardware Maintenance”
Tracking Network Devices
Edit: Still good stuff. Originally posted November 18, 2014 on AIXchange Which switch port is your network port plugged into? Oftentimes this simple bit of information goes undocumented. Perhaps everything is being plugged in at a remote site by some ‘hands and eyes” guys and you’re just not sure if the cabling has been completed … Continue reading “Tracking Network Devices”
Firefox SSL Fix for HMC Users
Edit: Link no longer works. Originally posted November 7, 2014 on AIXchange I have pretty good luck when using Mozilla with my HMCs. However, when I recently upgraded Mozilla, I encountered an issue: An error occurred during a connection to hmc1. Issuer certificate is invalid. (Error code: sec_error_ca_cert_invalid) The page you are trying to view … Continue reading “Firefox SSL Fix for HMC Users”
A Useful Data-Compression Option
Edit: Have you run this tool? Originally posted November 3, 2014 on AIXchange Perhaps you’re interested in compressing data on your IBM storage devices. But do you have any idea how much of your data is actually compressible? The Comprestimator utility is designed to tell you how much actual compression you’ll achieve without actually compressing … Continue reading “A Useful Data-Compression Option”
Reformatting IBM i pdisks to AIX hdisks
Edit: It has been a while since I have needed to do this. Originally posted October 27, 2014 on AIXchange Recently I needed to reformat an IBM i LPAR as an AIX LPAR for some testing. After defining the partition and reusing the IBM i hardware, I tried to boot it from physical install media … Continue reading “Reformatting IBM i pdisks to AIX hdisks”
A System Outage, and the Failures that Led to It
Edit: Some links no longer work. Originally posted October 21, 2014 on AIXchange Old Power servers just run. Most of us know of machines that sat in a corner and did their thing for many years. However, as impressive as Power hardware is, running an old, unsupported production server with an old, unsupported operating system isn’t advisable. … Continue reading “A System Outage, and the Failures that Led to It”
More on the New HMC Release
Edit: I still enjoy the new interfaces. Some links no longer work. Originally posted October 14, 2014 on AIXchange After writing about the HMC’s new look, I found that one of my options wasn’t working as expected. When I clicked on Manage PowerVM, I got this error. I opened a ticket with IBM Support, which sent … Continue reading “More on the New HMC Release”
POWER8 E870 and E880 Offer Impressive Performance
Edit: Link no longer works. This announcement feels like it happened yesterday. Originally posted October 3, 2014 on AIXchange New POWER8 server models were announced today: the scale-up E870 (9119-MME) and E880 (9119-MHE) along with an Ubuntu Linux only model called the S824L. The E (with the “E” denoting “enterprise”) models will have I/O drawers … Continue reading “POWER8 E870 and E880 Offer Impressive Performance”
Power Systems, Linux on Power Events Scheduled
Edit: I love this type of training. Originally posted September 30, 2014 on AIXchange I recently attended a no-charge Linux on Power workshop that’s currently touring the U.S. In conjunction with this 1-day workshop, a 2-day Power Systems virtualization class is traveling the country as well. Both events are geared toward IBM customers, so see … Continue reading “Power Systems, Linux on Power Events Scheduled”
A New Look for the HMC
Edit: The interface keeps changing for the better. Originally posted September 23, 2014 on AIXchange I decided to update to the latest (as of this writing) HMC code, V8R8.1.0M1. I went to IBM Fix Central and found MH01420, and downloaded the necessary .iso image. Once I had done this, I followed the second half of this … Continue reading “A New Look for the HMC”
Power and AIX News Via Twitter
Edit: I am still active on twitter. Some links no longer work. Originally posted September 17, 2014 on AIXchange While I remain active on Twitter, it’s been awhile since I’ve highlighted tweets on this blog. For this week though, here’s a sampling of fairly recent tweets that caught my interest: * Torbjörn Appehl (@tappehl) — … Continue reading “Power and AIX News Via Twitter”
Locating a Problematic Filesystem
Edit: Some links no longer work. Originally posted September 9, 2014 on AIXchange It was an ordinary day. I needed to take a mksysb. Only this time, I was getting an error. /usr/bin/mkszfile[1266]: FS_MIN_LOG = FS_MIN_LOG * 20480 : 0403-009 The specified number is not valid for this command. 0512-008 mksysb: The … Continue reading “Locating a Problematic Filesystem”
vSCSI vs. NPIV
Edit: Most people seem to do everything with NPIV these days. Originally posted September 2, 2014 on AIXchange The IBM Redbook, “PowerVM Best Practices,” has a detailed look at mixing vSCSI and NPIV on VIO client LPARs. From Section 5.1.3: “It is possible to mix a virtual Small Computer System Interface (SCSI) and N-Port ID Virtualization (NPIV) … Continue reading “vSCSI vs. NPIV”
Useful Storage Links
Edit: Some links no longer work. Originally posted August 26, 2014 on AIXchange Here’s an assortment of really good storage-related articles — the majority of which are found on IBM developerWorks — that are worth your time. While some of them are a few years old, they still provide relevant information. * “Guide to selecting a … Continue reading “Useful Storage Links”
More Resources for AIX Newbies
Edit: I wonder how many newbies there are year over year. Originally posted August 19, 2014 on AIXchange As I’ve noted previously, there are more newcomers to the AIX platform than you might imagine. A company may acquire an AIX system through a merger or replace an old Solaris or HP-UX box with a current IBM Power … Continue reading “More Resources for AIX Newbies”
Connecting Your HMC to IBM Support
Edit: I would imagine some ports have changed in the last 6 years. Originally posted August 12, 2014 on AIXchange You’ve been asked to connect your HMC to IBM Support. The network team wants to know about the different connectivity options. They need to know which IP addresses must be opened across the firewall. What … Continue reading “Connecting Your HMC to IBM Support”
On Going Dark
Edit: Some links no longer work. I do not unplug nearly as often as I should. Originally posted August 5, 2014 on AIXchange I have another quick story involving my work with Boy Scouts. Each summer we try to get the older boys involved in some high adventure activities. Last year this included target shooting (shotguns … Continue reading “On Going Dark”
Can We Talk? Yes, and it’s So Much Easier Now
Edit: It has only gotten easier to talk to people around the world. Originally posted July 29, 2014 on AIXchange A friend living overseas recently emailed me. He was having issues with an older HACMP cluster and wanted another set of eyeballs to check it. At the time I happened to be talking with a … Continue reading “Can We Talk? Yes, and it’s So Much Easier Now”
Lessons from a Physical Server Move
Edit: Monitoring goes a long way. Some links no longer work. Originally posted July 22, 2014 on AIXchange A customer planned to use Live Partition Mobility (LPM) to move running workloads from frame 2 to frame 1. The steps were: shutdown frame 1, physically move frame 1, recable frame 1 and power it back on, … Continue reading “Lessons from a Physical Server Move”
System Monitoring Shouldn’t Be Neglected
Edit: You still find this phenomenon, and it still surprises me. Originally posted July 15, 2014 on AIXchange What are you doing to monitor your systems from both the hardware and OS levels? Are you using a commercial product? Are you using an open source product? Are you using hand-built scripts that run from cron? … Continue reading “System Monitoring Shouldn’t Be Neglected”
Webinars Cover the World of AIX
Edit: Some links no longer work. Originally posted July 8, 2014 on AIXchange Hopefully you regularly listen to the AIX Virtual User Group webinars, either live or on replay. Recent sessions have been devoted to the POWER8 server announcements, Linux on Power and SRIOV. If you’re outside of the U.S., you should know that similar webinars are … Continue reading “Webinars Cover the World of AIX”
We’re Not the Only Techies
Edit: I still cannot land a plane. Originally posted July 1, 2014 on AIXchange As I’ve noted previously, I work with Boy Scouts. Recently I took a group of boys to an airport to work on their aviation merit badge. We found a pilot who was willing and able to spend time on a Saturday with the troop. … Continue reading “We’re Not the Only Techies”
More POWER8 Docs
Edit: Some links no longer work. Originally posted June 24, 2014 on AIXchange I love reading about new computing technologies, particularly the latest IBM Power Systems releases. It doesn’t hurt that, as a consultant, I have opportunities to work with the newest hardware, but even if that wasn’t the case, I’d still want to know … Continue reading “More POWER8 Docs”
Can Vendors Make Our Lives Easier?
Edit: This application is still handled this way and is still a pleasure to work with. Originally posted June 19, 2014 on AIXchange Recently I was listening to a few admins compare and contrast two different shops that run AIX. All of them had worked in the first environment for several years. In this environment … Continue reading “Can Vendors Make Our Lives Easier?”
Getting Started With PowerKVM
Edit: This is no longer a thing, although the commands and tools are still useful. Originally posted June 10, 2014 on AIXchange I recently installed and started playing with IBM PowerKVM software on the S822L. Luckily I had a good PowerKVM quick start guide to follow. There’s also a draft version of a Redbook that will … Continue reading “Getting Started With PowerKVM”
Yes, We Do Have AIX Forums
Edit: Still good options, especially if more people joined in. Originally posted June 3, 2014 on AIXchange Recently I attended a conference and ran into someone who was engaged in a futile search for another attendee. This acquaintance had been scanning the crowd for days with no luck. After complaining about the fact that the … Continue reading “Yes, We Do Have AIX Forums”
Random NIM Notes
Edit: Still good stuff. Originally posted May 27, 2014 on AIXchange Recently, a customer wanted to remove a client from its original NIM master server and add it to a new, just-installed NIM master server. The comments made to this post reminded me of the niminit command: A quick recap on how to register and initialize … Continue reading “Random NIM Notes”
Managing a Dump Device
Edit: Don’t overlook this. Originally posted May 20, 2014 on AIXchange Have you ever seen errors like this in your error log? E87EF1BE 0515150014 P O dumpcheck The largest dump device is too small.E87EF1BE 0514150014 P O dumpcheck The largest dump device is too small. Have you verified that … Continue reading “Managing a Dump Device”
Limiting Concurrent Logins
Edit: Some links no longer work. Originally posted May 13, 2014 on AIXchange Recently, an AIX mailing list member was asking about limiting concurrent logins to a machine: Is there a setting in AIX that will allow the number of times a user can login? The scenario is thus: John logs in, uses one app … Continue reading “Limiting Concurrent Logins”
Using the HMC with IBM Flex System Nodes
Edit: Cannot remember the last time I thought about Flex System. Originally posted May 6, 2014 on AIXchange The short-lived SDMC wasn’t widely adopted, in part because customers who were familiar with the HMC didn’t want to relearn the SDMC interface. While the IBM Flex Systems Manager (FSM) isn’t going anywhere, it does pose a similar … Continue reading “Using the HMC with IBM Flex System Nodes”
More POWER8 Announcement Details
Edit: Some links no longer work. Originally posted April 29, 2014 on AIXchange By now you’re probably aware of IBM’s announcement of POWER8 and new hardware models. Last week I examined the speeds and feeds. Here’s a look at some of the other coverage: IBM announcement press release IBM Systems Magazine online article by Evelyn Hoover POWER8 webcast … Continue reading “More POWER8 Announcement Details”
POWER8 Speeds and Feeds
Edit: Links still work. Originally posted April 23, 2014 on AIXchange POWER8 technology created some buzz when it was first discussed at the Hot Chips conference and slides that describe the chips could be found online before today. But now we have more information about the actual systems that will be shipping when they become generally available … Continue reading “POWER8 Speeds and Feeds”
Device Mapping on IBM i
Edit: Link still works. Originally posted April 15, 2014 on AIXchange More and more IBM i administrators who once relied exclusively on internal disks are now getting their disks from VIOS using vSCSI or NPIV. These administrators need a handy way to determine which SAN LUNs correspond to which individual virtual disks in IBM i. … Continue reading “Device Mapping on IBM i”
Good Things to Bookmark
Edit: Some links no longer work. Originally posted April 8, 2014 on AIXchange If you’ve never heard of the POWER Systems Reference, you’re in for a treat. This site catalogs a host of basic informational and support resources. For instance, the Quick Ref tab provides (among other things): Default FSP Addresses -p5 -FSP A HMC1 192.168.2.147 … Continue reading “Good Things to Bookmark”
A tmux Primer
Edit: It has been longer than 10 years now. Some links no longer work. Originally posted April 1, 2014 on AIXchange I wrote this piece about screen and vnc for IBM Systems Magazine 10 years ago, and I still refer to it, because I still use screen and vnc. However, I must admit that tmux is giving screen a … Continue reading “A tmux Primer”
Resolving an Issue with Dual HMCs
Edit: Change control is still key. Originally posted March 25, 2014 on AIXchange Recently, a customer was unable to run a DLPAR command against some of the LPARs on their frame. That in itself isn’t unusual. Generally in these situations the network isn’t communicating between the HMC and the LPAR, or perhaps RMC daemons need … Continue reading “Resolving an Issue with Dual HMCs”
Installing Language Filesets
Edit: Future me is still glad these archives are here. Originally posted March 18, 2014 on AIXchange If you’ve ever installed locale files on your AIX server, you might appreciate my recent predicament. A customer’s application team recently asked me to install bos.loc.utf.EN_US as part of their overall installation. The file exists on the installation … Continue reading “Installing Language Filesets”
Upgrading the HMC
Edit: Links still work at the time of this writing. Originally posted March 11, 2014 on AIXchange Awhile back Chris Gibson (@cgibbo) retweeted this document on upgrading to the newest HMC model. So why would you upgrade when your current HMC is working fine? For the same reasons you upgrade anything else — for starters, faster CPU and … Continue reading “Upgrading the HMC”
The Key Question of Why, and Why the Answer Matters
Edit: Still good questions to ask ourselves. Last link no longer works. Originally posted March 4, 2014 on AIXchange A while back Nigel Griffiths (@mr_nmon) tweetedabout a TED talk on leadership. It was 18 minutes well-spent. Simon Sinek, the speaker, gave this presentation in 2009, and it was posted to TED.com in 2010. He starts by drawing three … Continue reading “The Key Question of Why, and Why the Answer Matters”
Popular Presentation Located, Updated
Edit: Link no longer works. Originally posted February 25, 2014 on AIXchange I often get questions from readers. The most common question I’ve received recently is, “Where did the slides go?” In April 2013 I noted that Fredrik Lundholm had been compiling the Power Implementation Quality Standard for commercial workloads, and posted a link to what was … Continue reading “Popular Presentation Located, Updated”
PowerHA and Multicast Setup
Edit: Link works at the time of this writing. Originally posted February 18, 2014 on AIXchange Recently during a PowerHA 7.1.2 installation, the network team was unable to get multicast communication working properly. Fortunately we were able to use this document to get everything going. From the document, entitled “PowerHA System Mirror 7.1 and Multicasting Setup”: … Continue reading “PowerHA and Multicast Setup”
Document Examines IBM i External Storage Options
Edit: In this piece I address a future reader, who would now be a past reader. Originally posted February 11, 2014 on AIXchange As I’ve previously noted, while this blog is focused on AIX, I think it’s worthwhile to occasionally discuss the IBM i operating system. Increasingly, AIX pros are asked to support their IBM i counterparts … Continue reading “Document Examines IBM i External Storage Options”
AIX Discussion List is a Place to Get Answers
Edit: Does this even exist anymore? Originally posted February 4, 2014 on AIXchange Where do you go when you have questions and need help? Do you talk to a coworker? Call IBM Support? Head straight to Google? One option you may not be familiar with is the IBM AIX Discussion list. Mailing lists may seem like a … Continue reading “AIX Discussion List is a Place to Get Answers”
A Look at AIX Mirror Pools
Edit: This is still an interesting method to consider. Originally posted January 28, 2014 on AIXchange A storage guy I know went to last fall’s IBM Technical University conference to learn more about IBM Power Systems and AIX, but he came away very excited about the AIX Logical Volume Manager (LVM). We may take it … Continue reading “A Look at AIX Mirror Pools”
IBM Rolling Out Entitlement Validations
Edit: Some links no longer work. Originally posted January 21, 2014 on AIXchange Last fall I wrote about IBM changing its approach to delivering software products and updates: “Another portal feature is an entitlement check that allows customers to download fixes. Just enter your machine type and serial number. The various entitlement types are tied to the … Continue reading “IBM Rolling Out Entitlement Validations”
Adapter Numbering Schemes
Edit: These days I think most shops don’t worry about adapter numbers. Originally posted January 14, 2014 on AIXchange How do you number your virtual adapters when you’re planning to build a new Power system? Some people put no thought into their numbering plans; they simply have the system pick the next available adapter number … Continue reading “Adapter Numbering Schemes”
Configuring X11 Forwarding
Edit: Some links no longer work. Originally posted January 7, 2014 on AIXchange A customer recently ran across an issue where their X11 forwarding was working fine on an AIX6.1 machine, but not on an AIX 7.1 machine. They were looking for a second set of eyes to make sure their configuration looked OK. Here’s … Continue reading “Configuring X11 Forwarding”
Using rendev
Edit: This looks like the last post from 2013 based on the note below. Some links no longer work. Originally posted December 17, 2013 on AIXchange **Please note: This blog will be updated on January 7, 2014.** Two weeks ago I reposted a tip from Russell Adams on displaying disk UUID. Here’s another tip that … Continue reading “Using rendev”
Running the RoCE Adapter in NIC Mode
Edit: Some links no longer work. Originally posted December 10, 2013 on AIXchange A colleague sent me an interesting solution to a problem he was seeing with a PCI32 10GbE RoCE converged host bus adapter. It was coming up in RDMA mode by default under VIOS 2.2.2.3 (which is AIX 6100-08-03-1339 under the covers), and the … Continue reading “Running the RoCE Adapter in NIC Mode”
Displaying Disk UUID
Edit: Some links no longer work. Originally posted December 3, 2013 on AIXchange If you’re on a mailing list for IBMers and business partners, you saw this information from Russell Adams earlier this fall. For the benefit of those who aren’t on that list, and with Russell’s permission, I’m reposting it here. (Note there are … Continue reading “Displaying Disk UUID”
Logging Console Output
Edit: Some links no longer work. Originally posted November 27, 2013 on AIXchange If you want to log your console output so you have a record of the commands you’re running, I can think of a few ways to accomplish this. One is to login and use the script command: “The script command makes a typescript of … Continue reading “Logging Console Output”
Following Up on the Technical University Event
Edit: Some links no longer work. I do not see much paper at events these days. Originally posted November 19, 2013 on AIXchange This article got me thinking about my own experiences at the recent IBM Power Systems Technical University conference. I always say that if you only get to go to one IBM education event … Continue reading “Following Up on the Technical University Event”
Striking a Balance Between the Command Line and GUIs
Edit: Some links no longer work. Still a good discussion. Originally posted November 12, 2013 on AIXchange There’s been some recent discussion and debate about the benefits of using the command line (or green screen, in IBM i parlance) as opposed to GUIs. Despite the wishes of some, the green screen is still with us. Despite the perceptions of others, … Continue reading “Striking a Balance Between the Command Line and GUIs”
A Closer Look at PowerVC
Edit: Some links no longer work. Originally posted November 5, 2013 on AIXchange During the recent Enterprise2013 event, IBMers Glen Corneau and Bill Miller gave a nice presentation on PowerVC, the new virtualization management product. We were also able to see a live demo. The understanding was that this isn’t GA code that will be present … Continue reading “A Closer Look at PowerVC”
Getting Started with CoD
Edit: Some links no longer work. Luckily COD activiation is much easier these days. Originally posted October 29, 2013 on AIXchange Hopefully you read Charlie Cler’s article in the September issue of IBM Systems Magazine about the various Capacity on Demand (CoD) options. Here’s a CoD question I often get: How do you activate it? The first step is … Continue reading “Getting Started with CoD”
The Power of the HMC Command Line
Edit: Some links no longer work. Originally posted October 22, 2013 on AIXchange When using the HMC, do you do more with the GUI or on the command line? The more systems you’re managing and the more operations you’re doing, the more you’ll benefit by getting comfortable with the HMC command line. While I like … Continue reading “The Power of the HMC Command Line”
Three Scripts
Edit: Some links no longer work. Originally posted October 15, 2013 on AIXchange I’ve seen a few good scripts lately. Brian Smith mentions a couple of them in his blog. This one will show you if your HBA/hdisk settings are actually in effect. “There are several storage related settings in AIX that cannot be changed if … Continue reading “Three Scripts”
PowerVP, PowerVC Highlight Today’s IBM Announcements
Edit: Some links no longer work. Originally posted October 8, 2013 on AIXchange Today’s announcements have quite a bit of interesting information, but two new products that I’m especially excited about are PowerVP and PowerVC. PowerVP uses a graphical Java client to monitor virtual workloads, which of course can be much more complex than the workloads … Continue reading “PowerVP, PowerVC Highlight Today’s IBM Announcements”
Logging a Client Virtual Fibre Channel Adapter into a SAN
Edit: Some links no longer work. Originally posted October 1, 2013 on AIXchange Recently a customer was presenting some LUNs to some NPIV clients on a server. There were many LUNs and many clients, and the SAN guys wanted all of them to appear on the switch so they could begin zoning them. I remembered … Continue reading “Logging a Client Virtual Fibre Channel Adapter into a SAN”
Restricting FTP Access
Edit: Some links no longer work. Originally posted September 24, 2013 on AIXchange A customer was trying to restrict user access to a particular directory on an AIX system when FTP was used. We came across two good options.First, I recalled this exchange on Twitter: sungokcho: RT @ibmaix: #AIX #tip to restrict ftp user to … Continue reading “Restricting FTP Access”
A Look at IBM Electronic Support
Edit: Some links no longer work. Originally posted September 17, 2013 on AIXchange In June, Julie Craft presented to the AIX Virtual User Group on the topic of IBM Electronic Support for AIX and Power Systems. Listen to the replay and learn more about the tools that are available for you to use. One slide shows what’s … Continue reading “A Look at IBM Electronic Support”
Advice on HMC Connections
Edit: Some links no longer work. Originally posted September 10, 2013 on AIXchange If you connect a managed system to an HMC and it isn’t recognized, how can you troubleshoot the problem? Well, it depends. What about the connection? Is your HMC behaving as a DHCP server, or have you assigned static IP addresses in … Continue reading “Advice on HMC Connections”
AIX, NIM Make System Restoration Easier
Edit: Some links no longer work. Originally posted September 3, 2013 on AIXchange Recently I received this query: “I wonder if you have a basic tutorial describing the steps needed to restore an AIX server. I am thinking of a scenario similar to the following: “You have an AIX server with some applications and/or databases … Continue reading “AIX, NIM Make System Restoration Easier”
BYOD’s Slippery Slope
Edit: I did not even mention the cost of some of this hardware. Some links no longer work. Originally posted August 27, 2013 on AIXchange We’re starting to hear more about BYOD — that’s bring your own device to work: “Some believe that BYOD may help employees be more productive. Others say it increases employee morale … Continue reading “BYOD’s Slippery Slope”
Power Systems Experts Weigh In
Edit: Some links no longer work. Originally posted August 20, 2013 on AIXchange I wish I’d been in Manchester and London last month. Apparently I missed out on a great Power Systems event. “The fifth POWER Ask the Experts is a one day customer technical event in the U.K…. It proved to be a very popular … Continue reading “Power Systems Experts Weigh In”
The OpenPOWER Consortium can take Power in New Directions
Edit: Some links no longer work. Originally posted August 13, 2013 on AIXchange When I think of OpenPOWER, I think of the Linux-capable IBM systems unveiled almost 10 years ago. Now though, the name signifies something new after this week’s IBM announcement: “IBM, Mellanox, NVIDIA and Tyan… announced plans to form the OpenPOWER Consortium – an open development alliance based … Continue reading “The OpenPOWER Consortium can take Power in New Directions”
More on the IBM PowerLinux Announcement
Edit: Some links no longer work. Originally posted August 6, 2013 on AIXchange As noted at the end of last week’s post, on July 30 IBM made another PowerLinux announcement. Here’s the full IBM press release. “The PowerLinux 7R4 is the high-end addition to IBM’s line-up of Power Systems PowerLinux servers running industry standard Linux from Red … Continue reading “More on the IBM PowerLinux Announcement”
An AIX on Power Performance Primer
Edit: Some links no longer work. Originally posted July 30, 2013 on AIXchange Check out this document from IBM’s Dirk Michel, “AIX on Power – Performance FAQ.” It’s only 87 pages, but there’s great information. I encourage you to read it and become familiar with its contents. Chapter 2 asks and answers the question, “what … Continue reading “An AIX on Power Performance Primer”
Virtualization on Power Resources
Edit: Some links no longer work. Originally posted July 23, 2013 on AIXchange Lately I’ve been getting questions about virtual processors and shared processor pools. Here are some resources on this topic that might help. * In January Rosa Davidson of IBM delivered a great two-part presentation, “Capacity Entitlement and Virtual Processors.” The replays and … Continue reading “Virtualization on Power Resources”
UNIX Has 2 Vowels… and That’s About It
Edit: Some links no longer work. Originally posted July 16, 2013 on AIXchange While reading up on some of the activities surrounding the 25th anniversary of IBM i, I came across this tweet: “Celebrating 25 years of vowel conservation” Aaron’s point is that IBM i administrators — going all the way back to the AS/400 days — use … Continue reading “UNIX Has 2 Vowels… and That’s About It”