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How to find the Boot devices

 
P Vel
Occasional Advisor

How to find the Boot devices

Hi Gurus,

How to find out the boot devices available in PA-RISC/ITANIUM systems w/o entering into OS.

Thanks in advance.

Rgds...
5 REPLIES 5
Ismail Azad
Esteemed Contributor

Re: How to find the Boot devices

Hi,

On PARISC, boot devices can be searched for from the BCH prompt.... For that you need to get into MP console and interrupt the boot. On BCH, > sea ipl and then boot will boot from that device. The path command is also related to your question, somewhat equivalent on O.S called as setboot.

On Itanium processor families, firmware is different and requires interaction with the EFI, in lehmann's terms sometimes called a blue screen, you can also find out boot devices from this interface... However, these paths are in the form of EFI hardware addresses as Integrity firmware at "boot time" fails to realise what HPUX hardware addresses are.... So to find out the media or source , you can look for some "keywords" on EFI which will tell you if it's Ignite S/R,Ignite Tape,DVD etc.... Hope this helps and don't forget to assign appropriate points.

Regards
Ismail Azad
Read, read and read... Then read again until you read "between the lines".....
Jose Mosquera
Honored Contributor

Re: How to find the Boot devices

Hi,

Please check this:
http://docstore.mik.ua/manuals/hp-ux/en/5991-1247B/ch05s20.html#aes-npar-233

Then I guess that you could load "setboot" command instead "ls".

Rgds.
Rita C Workman
Honored Contributor

Re: How to find the Boot devices

Simple & quick...it doesn't 'confirm' the disks are still bootable, but it will tell you what disks were set for boot at some point.

Same command for PARisc and Itanium

setboot -v

lvlnboot -v | more

Regards,
Rita
Robert_Jewell
Honored Contributor

Re: How to find the Boot devices

"On BCH, > sea ipl" - This is not supported on cell based servers. Run SEA ALL and compare to the "PA" output. Go by trial and error to find a bootable disk.

On Integrity run "map" from the EFI Shell and look for entries with a Par1, Par2, and Par3. This will indicate that the disk was at some point partitioned to be a boot disk. Also, try "bcfg boot dump" to display a list of configured boot options.

Nothing will report a confirmed working bootable disk, short of actually attempting to boot that disk.

-Bob



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Torsten.
Acclaimed Contributor

Re: How to find the Boot devices

>> How to find out the boot devices available in PA-RISC/ITANIUM systems w/o entering into OS.



Without OS means from the boot menu only?

Could you tell some background for your question?

The answer could be a bit complicated, maybe a bit more complicated than you think ... (keyword: boot from SAN).


Hope this helps!
Regards
Torsten.

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