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RE: [Linux-cluster] Custom Anaconda to see 32 LUNS?



Exactly.  Mike seemed to be on to this path in February:
https://www.redhat.com/archives/linux-cluster/2007-February/msg00178.htm
l

The Xyratex StorView software should be able to help you LUN Mask/Map so
that each blade sees only its own LUNs.  As long as each of your blades
have unique WWNs.  ?

> -----Original Message-----
> From: linux-cluster-bounces redhat com 
> [mailto:linux-cluster-bounces redhat com] On Behalf Of Michael Will
> Sent: Thursday, March 15, 2007 12:42 PM
> To: isplist logicore net; linux clustering; 
> anaconda-devel-list redhat com; redhat-install-list redhat com
> Subject: RE: [Linux-cluster] Custom Anaconda to see 32 LUNS?
> 
> How does a blade know to boot from a specific lun?
> 
> Can you do a LUN-SAN mapping that would make a lun available 
> to only one specific blade each under the correct name?
> 
> 
> Michael
> -----Original Message-----
> From: linux-cluster-bounces redhat com
> [mailto:linux-cluster-bounces redhat com] On Behalf Of 
> isplist logicore net
> Sent: Thursday, March 15, 2007 11:13 AM
> To: linux-cluster; anaconda-devel-list redhat com; 
> redhat-install-list redhat com
> Subject: [Linux-cluster] Custom Anaconda to see 32 LUNS?
> 
> Is there anyone out there who might have a custom anaconda 
> version which could see at least 32 LUNS or more?
> 
> I have yet to find a way of installing blades onto 32 volumes 
> which are on a fibre channel storage device. I must find a 
> solution and was now told that I might be able to modify 
> anaconda. Not knowing how to do this, I wonder if someone 
> might already have a modified version?
> 
> Mike
> 
> This was my old message, things I've done/tried which have not worked.
> 
> //
> I've tried everything I can find and think of or that has 
> been suggested.
> 
> I have a Xyratex/MTI type chassis split into 32 volumes. I 
> need to install 32 blades onto each volume so that I can 
> remove the drives on each blade.
> 
> When I start a Linux install on a blade, it never sees all of 
> the volumes, only LUNS 0/1. I need to see all 32 LUNS so that 
> I can install all of my servers.
> 
> I've tried all of the following;
> 
> RHEL4, CentOS4.4, others. I don't really care what the distro 
> is, so long as it runs basic services such as web/php, qmail, 
> etc. What I do need however is that they be GFS/Cluster machines.
> 
> I've tried passing the information at the installers command line;
> 
> scsi_mod.max_luns=256
> scsi_mod.scsi_dev_flags=INLINE:TF200:0x242
> 
> I've tried many variations of these types of commands with no result.
> 
> I've then set up a PXE boot server thinking that I might be 
> able to pass the options using pxelinux.cfg. Still no luck, 
> it only sees two LUNS.
> 
> I've tried installing from network with a recompilled 
> initrd.img from a machine which was already installed and 
> modprobe.conf modified to see the LUNS. The donor server can 
> see all of the volumes, the installing version dies with a 
> kernel problem since it cannot see the same already installed volume.
> 
> What in the world can I do? Is there a guru here who can tell 
> me how I can do this?
> //
> 
> 
> 
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