AIXpert Blog is about the AIX operating system from IBM running on POWER based machines called Power Systems and software related to it like IBM Systems Director, PowerVM for virtualisation and PowerSC for security plus performance monitoring and nmon
This has been a very popular topic for a long time and still asked quite frequently. So I thought I would post the support flash link again here. http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/FLASH10390
Steve Pittman has posted his AIX 5.3 "best practices" on the following wiki's. AIX Wiki home: http://www-941.haw.ibm.com/collaboration/wiki/display/WikiPtype/Home System Admin Best Practices1: http://www-941.haw.ibm.com/collaboration/wiki/display/WikiPtype/AIXV53AdminBestPractice System Admin Best Practices2: http://www-941.haw.ibm.com/collaboration/wiki/display/WikiPtype/AIXV53AdminBPFiles Installation Best Practices: http://www-941.haw.ibm.com/collaboration/wiki/display/WikiPtype/Installation Software Maintenance Best Practices:... [More]
This exact document can also be found at:http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/FLASH10479 HACMP/XD supports DS6000 Metro Mirror Document Author: Shawn Bodily Document ID: FLASH10479 Doc. Organization: Advanced Technical Support Document Revised: 05/19/2006 Product(s) covered: DS6000; HACMP; HACMP/ES; pSeries Abstract: Adding HACMP/XD support to IBM TotalStorage DSCLI Metro Mirror using DS6000, along with a combination of DS8000 and DS6000 Adding HACMP/XD support to IBM TotalStorage DSCLI Metro Mirror using DS6000, along... [More]
In order to update an existing Virtual I/O Server running V1.1 to V1.2, be sure to use the Fix Pack 7 code on the VIO Server web site. Do not use the V1.2 install media that has been sent out to many customers if you are planning to use the command updateios. The Virtual I/O Server optical media is labeled LCD4-7462-04. It's a DVD that contains the latest filesets and can be used for fresh installs. However, using updateios with the install media will produce a partially updated VIO server. When you issue the ioslevel command, it will still... [More]
This can also be found at: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/FLASH10467 April 21, 2006 IBM High Availability Cluster Multiprocessing (HACMP*) for AIX 5L*, Version 5.2 and Version 5.3 now expands support to include the latest IBM ServeRAID*-6 Ultra320 SCSI RAID adapters. The IBM PCI-X Dual Channel Ultra320 SCSI RAID Adapter (#5703 or #1975), the IBM PCI-X Dual Channel Ultra320 SCSI RAID Blind Swap Adapter (#5711), and the IBM PCI-X DDR Dual Channel Ultra320 SCSI RAID Adapter (#5737 or #1913) are excellent solutions for... [More]
Original flash can be found here: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/FLASH10534 HACMP Supports IBM System Storage DS8000 and DS6000 Series Disk Storage Devices September 22, 2006 IBM High Availability Cluster Multiprocessing (HACMP*) for AIX 5L* Versions 5.2, 5.3 and 5.4 now expands support to include the following new DS8000 and DS6000 IBM System Storage models: IBM System Storage DS8000 Turbo Models 931, 932, and 9B2IBM System Storage DS6800 Model 522 IBM System Storage DS6000 Model EX2 expansion enclosure Please... [More]
IBM AIX 5L Reference for HP-UX System Administrators: http://www.redbooks.ibm.com/abstracts/sg246767.html Advanced Power Virtualization (Update): http://www.redbooks.ibm.com/abstracts/sg247940.html?Open Controlling Application Memory Consumption http://www.redbooks.ibm.com/redpieces/abstracts/redp4108.html?Open IBM eServer pSeries HACMP V5.x Certification Study Guide Update: http://www.redbooks.ibm.com/abstracts/sg246375.html?Open Configuring and Tuning GPFS for Digitial Media Environments:... [More]
There they go again. This week Sun announced several new Sparc IV+ servers, ran a couple of benchmarks and are claiming world domination in server performance. Here's the headline. " Sun Surpasses IBM for Server Leadership: New High-End Sun Fire Systems Give Sun New Edge; World-Record Benchmarks Released " http://www.sun.com/smi/Press/sunflash/2005-10/sunflash.20051017.1.html Well, before you get excited, you might want to read their Benchmark Footnotes at the bottom of the page. If you do, you'll see the Sparc IV+ core (CPU) performance is... [More]
Yes, it does happen. When you want to use all the main unit (CEC) adapters slots for high speed adapters like Fibre Channel and the ROCE network and want to avoid adding the extra POWER8 I/O Drawers for just 1 or 2 adapters - but did not realises the ROCE adapters can't do a NIM install.
I think it is actually due to the basic boot code "PROM" not having the "smarts" to run the advanced adapters in a basic limp along mode to run the network for the bootp and tftpboot download before you... [More]
I was recently sent pictures and got questions about the handle colours on the Power System E870 / E880 CEC and System Control Unit.
On my early ship beta test machine, the adapter carriers have terracotta (red-ish) handles and on GA customer shipped machine blue .
Terracotta handles means customer hot-plug capable - but don't just grab and yank. You must to go through the HMC maintenance procedure at the very least for the adapter slot to be powered off to make it safe to be removed.
Blue handles means... [More]
The Power5 VIO server allows client partitions to share resources (disks, optical drives and ethernet adapters). When configuring these resources, avoid the temptation of using AIX commands (oem_setup_env). It can get you into trouble. Use "padmin" commands. The reason is that VIO works differently than AIX. For example, clients bypass the LVM on the VIO server for disk I/O. Consequently, you can not mirror client LV's in the VIO server. (Mirroring must be done by the client OS.) The VIO restrictions for client LV's include: Must be less... [More]
I was asked how to get the inlet and exhaust temperature from a POWER8 machine and the amount of electricity it is using. This was once done with Systems Director and the Active Energy Manager (AEM) but I a told this does not work with POWER8 or if it does its just luck!
At first I thought it impossible but I asked friends in development and they pointed me to two documents that point you in the right direction
Here they are
IBM EnergyScale for POWER8 Systems
IBM refreshed the Power5 low-end to midrange product line yesterday. In brief, the announcements include: System p5 185 - Entry deskside or rack workstation with one or two single-core 2.5 GHz PowerPC® 970 System p5 510Q - 4 Way Power5+ 2U rack-mount servers (uses new QCM quad chip) System p5 520Q - 4 Way Power5+ System p5 560Q - 16 Way Power5+ entry midrange System p5 570 - 16 Way with 2.2GHz Power5+ System p5 575 - Power5+ with 2.2GHz Power5+ For more information, see http://www-03.ibm.com/systems/p/news/features/2006/annc_0214.html
Most of the Power Systems range of servers since POWER7 allow for the HMC organised online hot replacement of:
and the online hot adding, removing or replacement of:
Internal hard disks
From POWER8 onwards we are not going to have the online add or remove CEC nor adding or removing Processors modules nor Memory cards. Of course online changes using Capacity Upgrade on Demand is still very much an option. On the POWER8, I/O Drawers we... [More]