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Re: How do I disable san/fiber channel connectivity at boot whenusing the RH/Centos 6 installer

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nostorage was what I was thinking off. I'll try it next time and see if it's still in the latest rh/centos installer.

-Brent



On Fri, Feb 3, 2012 at 1:11 PM, <Josh.Mullis@xxxxxxx> wrote:

I tried this a while back and found that if there is another module that wants to load and it depends on qla2xxx, then qla2xxx get loaded anyway.

So basically, you’d have to find all the modules (that depend on qla2xxx) that “could” get loaded and blacklist them as well.

Such a pain.

 

ESX kickstart has an option to disable san disks.

Why can’t redhat?

It’s so much more simple than all these workarounds.

 

 

 

From: kickstart-list-bounces@xxxxxxxxxx [mailto:kickstart-list-bounces@xxxxxxxxxx] On Behalf Of Dirk Willemans
Sent: Wednesday, February 01, 2012 10:35 AM


To: Discussion list about Kickstart
Subject: Re: How do I disable san/fiber channel connectivity at boot whenusing the RH/Centos 6 installer

 

You can blacklist a module when you start the installation.

 

for example: 

 

append initrd=/boot/initrd.img blacklist=qla2xxx

Grtz,

 

Dirk

On Wed, Feb 1, 2012 at 15:56, Allen, Jack <Jack.Allen@xxxxxxxxxxxx> wrote:

-----Original Message-----
From: kickstart-list-bounces@xxxxxxxxxx [mailto:kickstart-list-bounces@xxxxxxxxxx] On Behalf Of Kovacs, Corey J.
Sent: Wednesday, February 01, 2012 9:27 AM
To: Discussion list about Kickstart
Subject: RE: How do I disable san/fiber channel connectivity at boot whenusing the RH/Centos 6 installer

Not sure if it's still useful but there used to be a 'nostorage' option you could put on the boot line. Then you had to specify what you wanted to load in the preamble of the kickstart file. Not sure if it's still there tho. For example.

device scsi cciss

would work for rhel4/5 and HP gear.

On rhel6+, you'd put

device hpsa

for the same machine since the driver changed.


Another option is to figure out what storage drivers get loaded for your hardware and explicitly unload them in the %pre section if the install, for example.

%pre
modprobe -r qla2xxx


There are other ways but these have worked for me. Also, make sure if you are doing kickstarts with FC connected that your SAN is set up properly and fibre switches zoned etc or you could end up with a bunch of empty luns across the san.

Hope this helps.


Corey

________________________________________
From: kickstart-list-bounces@xxxxxxxxxx [kickstart-list-bounces@xxxxxxxxxx] on behalf of Vratislav Podzimek [vpodzime@xxxxxxxxxx]
Sent: Wednesday, February 01, 2012 6:18 AM
To: kickstart-list@xxxxxxxxxx
Subject: Re: How do I disable san/fiber channel connectivity at boot when       using the RH/Centos 6 installer

On Tue, 2012-01-31 at 13:41 -0600, Brent Clements wrote:
> How do I disable san/fiber channel connectivity at boot when using the
> RH/Centos 6 installer?
>
> We have a ton of luns that are provisioned to this server and it takes
> a long time for us to scroll through the disks to find the local diskyou w
> for the install when we manually provision a system.  is there a nosan
> or nofiberchannel option for the boot options when booting a boot iso?
>
Where do you have such a long list? If you choose "Specialized Storage
Devices" then you have a screen with tabs. Only the last one (for
searching) contains all items. If you want to find your local disk, just
stay on the first tab -- "Basic Devices". There shouldn't be any of your
luns on this tab.
I don't understand what could be a problem here.

--
Vratislav Podzimek

[Jack Allen]
When I had this problem on a system a while back, I just unplugged the FC cable and did the install because I only needed the local disk to store the OS on. Data would be on the SAN LUNs and setup later. Then when it was time to reboot after the install completed, I plugged the FC cables back in.


-------------------------
Jackson C. Allen
McKesson Provider Technologies
5995 Windward Parkway
Alpharetta, GA 30005
(404) 338-2023
Jack.Allen@xxxxxxxxxxxx
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