1. In a multi-node environment, each server has a unique DSA interface. You can
view server-specific information, such as error logs, from these unique DSA
interfaces.
2. Before using DSA in a multi-node configuration, you must disable extended
Apic (X2apic). (To disable Apic, go to the UEFI Setup, select System Settings →
Processors → Extended Apic → Disable.)
3. DSA Preboot might appear to be unresponsive when you start the program.
This is normal operation while the program loads.
To obtain DSA code and the Dynamic System Analysis Installation and User's Guide,
go to http://www.ibm.com/support/entry/portal/docdisplay?lndocid=SERV-DSA
or complete the following steps.
Note: Changes are made periodically to the IBM Web site. The actual procedure
might vary slightly from what is described in this document.
1. Go to http://www.ibm.com/supportportal/.
2. Under IBM Systems support, click System x.
3. Under Related downloads, click Dynamic System Analysis (DSA).
DSA editions
This topic provides information about the two DSA editions available.
Two editions of Dynamic System Analysis are available:
v DSA Portable
DSA Portable Edition runs within the operating system; you do not have to
restart the server to run it. It is packaged as a self-extracting file that you
download from the Web. When you run the file, it self-extracts to a temporary
folder and performs comprehensive collection of hardware and operating-system
information. After it runs, it automatically deletes the temporary files and folder
and leaves the results of the data collection and diagnostics on the server.
If you are able to start the server, use DSA Portable.
v DSA Preboot
DSA Preboot runs outside of the operating system; you must restart the server to
run it. It is packaged as an ISO image that you download from the Web, or it is
provided in flash memory on the server. In addition to the capabilities of the
other editions of DSA, DSA Preboot includes diagnostic routines that would be
disruptive to run within the operating-system environment (such as resetting
devices and causing loss of network connectivity). It has a graphical user
interface that you can use to specify which diagnostics to run and to view the
diagnostic and data collection results.
DSA Preboot provides diagnostics for the following system components, if they
are installed:
– Broadcom network adapter
– Optical devices (CD or DVD)
– Tape drives (SCSI)
– Memory
– Microprocessor
– Checkpoint panel
– I2C bus
– SAS/SATA drives
72 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
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