HP StorageWorks 1606 Brocade Fabric OS Troubleshooting and Diagnostics Guide v - Page 90

Power-on self test

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11 Power-on self test To save a set of files that customer support technicians can use to further diagnose the switch condition, enter the supportSave command. The command prompts for an FTP server, packages the following files, and sends them to the specified server: • The output of the supportShow command. • The contents of any trace dump files on the switch. • System message (RAS) logs. See also to "Automatic trace dump transfers" on page 90. Power-on self test By default, when you power on the system, the boot loader automatically performs power-on self tests and loads a Fabric OS kernel image. The POST tests provide a quick indication of hardware readiness when hardware is powered up. These tests do not require user input to function. They typically operate within several minutes, and support minimal validation because of the restriction on test duration. Their purpose is to give a basic health check before a new switch joins a fabric. These tests are divided into two groups: POST1 and POST2. POST1 validates the hardware interconnect of the device, and POST2 validates the ability of the device to pass data frames between the ports. The specific set of diagnostic and test commands run during POST depends on the switch model. You can use the diagDisablePost command to disable both POST1 and POST2, and you can reenable it using the diagEnablePost command. See the Fabric OS Command Reference for additional information about these commands. The following example shows a typical boot sequence, including POST messages: The system is coming up, please wait... Read board ID of 0x80 from addr 0x23 Read extended model ID of 0x16 from addr 0x22 Matched board/model ID to platform index 4 PCI Bus scan at bus 0 ::: ::: Checking system RAM - press any key to stop test Checking memory address: 00100000 System RAM test using Default POST RAM Test succeeded. Press escape within 4 seconds to enter boot interface. Booting "Fabric Operating System" image. Linux/PPC load: BootROM command line: quiet Uncompressing Linux...done. Now booting the kernel Attempting to find a root file system on hda2... modprobe: modprobe: Can't open dependencies file /lib/modules/2.4.19/modules.dep (No such file or directory) INIT: version 2.78 booting INIT: Entering runlevel: 3 76 Fabric OS Troubleshoot and Diagnostics Guide 53-1001340-01

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76
Fabric OS Troubleshoot and Diagnostics Guide
53-1001340-01
Power-on self test
11
To save a set of files that customer support technicians can use to further diagnose the switch
condition, enter the
supportSave
command. The command prompts for an FTP server, packages
the following files, and sends them to the specified server:
•
The output of the
supportShow
command.
•
The contents of any trace dump files on the switch.
•
System message (RAS) logs.
See also to
“Automatic trace dump transfers”
on page 90.
Power-on self test
By default, when you power on the system, the boot loader automatically performs power-on self
tests and loads a Fabric OS kernel image.
The POST tests provide a quick indication of hardware readiness when hardware is powered up.
These tests do not require user input to function. They typically operate within several minutes, and
support minimal validation because of the restriction on test duration. Their purpose is to give a
basic health check before a new switch joins a fabric.
These tests are divided into two groups: POST1 and POST2. POST1 validates the hardware
interconnect of the device, and POST2 validates the ability of the device to pass data frames
between the ports. The specific set of diagnostic and test commands run during POST depends on
the switch model.
You can use the
diagDisablePost
command to disable both POST1 and POST2, and you can
reenable it using the
diagEnablePost
command. See the
Fabric OS Command Reference
for
additional information about these commands.
The following example shows a typical boot sequence, including POST messages:
The system is coming up, please wait...
Read board ID of 0x80 from addr 0x23
Read extended model ID of 0x16 from addr 0x22
Matched board/model ID to platform index 4
PCI Bus scan at bus 0
:::
: : :
Checking system RAM - press any key to stop test
Checking memory address: 00100000
System RAM test using Default POST RAM Test succeeded.
Press escape within 4 seconds to enter boot interface.
Booting "Fabric Operating System" image.
Linux/PPC load:
BootROM command line: quiet
Uncompressing Linux...done.
Now booting the kernel
Attempting to find a root file system on hda2...
modprobe: modprobe: Can't open dependencies file /lib/modules/2.4.19/modules.dep
(No such file or directory)
INIT: version 2.78 booting
INIT: Entering runlevel: 3