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Old 10-23-2007, 12:57 PM   #1
buckeyedog
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How to load module into ramdisk


I need help on attempting to load a Subsystem disk module into ramdisk. I have never done this before.. My issue is IBMsdd and LVM2, after seeing all my SAN disks, running a pvcreate,vgcreate and lvcreate all is good. But when I reboot my server is puts the SAN VG into inactive. I was told I have to load the IBMsdd modules into Ramdisk.. Can anyone help?? I need baby steps on this one.. I have Redhat ES4 U5..
 
Old 10-24-2007, 06:57 AM   #2
mickyg
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Well I don't know much/almost anything on SAN storage and IBMsdd but I found this from google:

http://publib.boulder.ibm.com/infoce...dd_1j60r6.html

Or in PDF if you prefer (page 32):

ftp://ftp.software.ibm.com/systems/s...oteboot_v2.pdf

Also in case there's any other links that might be of interest here's the google search results:

http://www.google.co.uk/search?q=IBM...s+into+Ramdisk

Hope that helps
 
Old 10-24-2007, 12:47 PM   #3
buckeyedog
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Thanks mickyg, my scenario is a bit different. I am not booting from SAN, what I have is Redhat ES4 on internal disk but with two LVM's I have created for OS fs's and nonOS fs's along with a /, and a /boot.


[root@hqoradev06 ~]# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb3 6048352 229668 5511444 5% /
/dev/sdb1 101086 25971 69896 28% /boot
none 4082864 0 4082864 0% /dev/shm
/dev/mapper/NON_STAND_LOAD-home
20158332 86156 19048176 1% /home
/dev/mapper/STAND_LOAD-opt
10095152 80712 9501624 1% /opt
/dev/mapper/STAND_LOAD-tmp
15126920 73648 14284864 1% /tmp
/dev/mapper/STAND_LOAD-usr
15126920 2606544 11751968 19% /usr
/dev/mapper/STAND_LOAD-var
12095032 157188 11323444 2% /var
 
  


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