From: Bob.Kelley@BRINKSINC.COM
Date: Tue May 20 2003 - 09:46:35 EDT
Ed, I don't know of a specific document, however I was recently made aware
of an unavoidable boot issue with FC drives and AIX 5.2 which has not been
resolved to my knowledge.
The issue is with the abnormally slow discovery of boot deviceson a FC
drive through a FC switch. This process takes from 2-4 seconds per drive,
so for an environment with a large number of FC drives this process could
take upwards of an hour. For an extreme example, a fibre channel box with
2400 disks in it will take 2 x 2400 = 4800 seconds or about 1 1/3 hours to
scan for bootable devices, minimum.
BKJ
|---------+---------------------------->
| | "Pugliese, |
| | Edward" |
| | <s11018@SLK.COM> |
| | Sent by: IBM AIX |
| | Discussion List |
| | <aix-l@Princeton.|
| | EDU> |
| | |
| | |
| | 05/20/2003 07:24 |
| | AM |
| | Please respond to|
| | IBM AIX |
| | Discussion List |
| | |
|---------+---------------------------->
>------------------------------------------------------------------------------------------------------------------------------|
| |
| To: aix-l@Princeton.EDU |
| cc: |
| Subject: LPAR FC boot |
>------------------------------------------------------------------------------------------------------------------------------|
Could someone direct me to a document that gives details on fibre channel
booting an LPAR ? I seem to be having a problem finding a document that
addresses this specific process.
I am looking to install images to each LPAR using NIM.
Thanks.
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