IBM System p5 185 Express Server The perfect entry system with a 3-year warranty and a price that might surprise you System p5 185 Express deskside server Highlights Great for application serving in distributed environments Exceptional price/performance through IBM PowerPC technology Flexibility to support Linux® and UNIX® applications. Draft Document for Review February 27, 2006 8:01 pm REDP-4137-00 ibm.com/redbooks Redpaper Front cover IBM System p5 520 and 520Q Technical Overview and Introduction.
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On the front of my IBM System p5 9133-55A there is an orange exclamation/alert light that is lit, and a green LCD display that shows:
I tried finding something in the documentation, but could not locate anything.
How do I track down what this means?
Scott SzretterScott Szretter1,0451111 gold badges3636 silver badges6565 bronze badges
2 Answers
Connect to HMC or ASMI and see what they say. You will get error description there, which may be comprehensible (e.g. a fan died somewhere) or utterly cryptic ('there's no detailed description for error code XXXXX'). If it's not something that you can resolve (e.g. 'No AC detected for PSU 1', resolvable by re-plugging a loose cable), then call support.
Anyhow, there is no error code on the LCD display, so it seems that machine is currently happily running.
Edit:Decoding of the panel hieroglyphs:
01
-- Function Code 01. Function description: - Display the currently selected initial program load (IPL) type (and logical key mode on some system types).
- Display the currently selected IPL speed override for the next IPL.
N
-- System is booted in normal mode.V=F
-- Boot speed is set to fast.T
-- The firmware is loaded from temporary side.There's no
HMC=x
, so your system is not connected to HMC, so you'll have to go to ASMI to see why did it turn the alert LED on. Paweł BrodackiPaweł Brodacki
First thing I usually do is to run
errpt
commandCan you post output of:
If it doesnt help, we may need ASMI log, because its generally more details
Shâu ShắcShâu Shắc
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The IBM System p5 510Q Express is the company's newest entry-level p-system series server. But don't let the entry-level tag turn you off, because this server -- which runs IBM's Unix-based AIX or a variety of Linux operating systems -- is an impressive bundle of performance and manageability.
The server we tested was loaded with four 64-bit 1.5GHz IBM Power5+ processors, 8GB of RAM and three 150GB hard drives. The motherboard had two copper 1Gbps Ethernet ports. There were two hot-swappable, load-balancing, redundant power supplies.
How we tested IMB Linux serverIn our CPU performance tests we saw nearly 600 transactions per second; this is similar to results we found with an Intel-based server with almost twice the processor clock speed. CPU performance with AIX was slightly lower than that of Red Hat Enterprise Linux on average, when all data points of the five-minute test were taken into account.
NETWORK SERVERS IBM SYSTEM P5 5100Q EXPRESS IBM | ||||||||||||||||||||||
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But AIX was more stable with its performance over time, as the Red Hat performance numbers showed a higher variability and sometimes a declining trend. With all the differences between the software components making up the two operating systems, it is difficult to determine the cause for the difference.
Our network interface card (NIC) and network stack tests show similar impressive performance results. The NICs can support more than 96% of full line rate, which is as good as we have seen with this test. The TCP stack test shows that the IBM System p5 510Q Express can create and tear down more than 5,000 connections per second. Similar to the CPU tests, the TCP stack tests showed AIX performing slightly lower than Linux, but with less variance.
Ibm System P5 550
The server is housed in a rack-mountable, two-rack-unit case. The internals of the server are laid out very neatly with easy access to all components and no loose wires, which could get caught in any of the removable parts. The hot-swappable system fans are accessible from the front panel. Except for the power supplies, hard drives and system fans, there are no other parts that can be serviced inside the chassis with the power on.
To aid in troubleshooting the system, the front panel of the server has an operator panel that houses warning LEDs and an LCD panel that displays operation codes. Unfortunately, the codes are cryptic, and the panel is not intuitive. This could lead to confusion when the pressure is on to resolve a problem.
The IBM System p5 510Q Express can be managed as a stand-alone unit, because it comes with built-in system-management tool, or it can be managed along with many other IBM servers through a hardware management console (HMC) that runs on a separate machine. The HMC physically connects to the IBM System p5 510Q Express via an Ethernet cable to a special port on the back of the server. The GUI has a Windows Explorer-type interface in which the administrator can select the server, attribute, value or feature that needs to be managed. Using the HMC, we were able to power on/off, and troubleshoot and configure the logical partitions without a problem.
As a standard feature, the IBM System p5 510Q Express can create one virtual partition per processor. This is useful if you'd like to have one server act like two independent servers within each processor. With the optional power-virtualization feature, it is possible to create a micro partition with 1/10th of one processor. This partition can be increased by as little as 1/100th of a processor. If there is available capacity in the server, this increase can be applied without a reboot.
The IBM System p5 510Q Express is supported by a wealth of IBM documentation ranging from user manuals to IBM technology Redbooks, white papers that go in depth on the technologies that comprise the server. We found mostly everything we needed, but it took a great deal of time to work our way through the documentation for technical issues, such as CPU virtualization.
Our tests show that IBM System p5 510Q Express would be a good choice for any small application or database server. The management features give the server the ability to scale to large numbers within an enterprise network. The optional virtualization features would give an enterprise the ability to consolidate applications into fewer pieces of server hardware without worrying about many types of software running on the same operating system with unexpected interactions.
Bass is technical director of Centennial Networking Lab (CNL) and Centaur Lab at North Carolina State University in Raleigh, N.C. He can be reached at [email protected]. Jaime Zabala assisted with the testing.
Bass is also a member of the Network World Lab Alliance, a cooperative of the premier reviewers in the network industry, each bringing to bear years of practical experience on every review. For more Lab Alliance information, including what it takes to become a member, go to www.networkworld.com/alliance.
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