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 <[email protected]> wrote:

> -----Original Message-----
> From: [email protected] [mailto:
> [email protected]] 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: [email protected] [[email protected]]
> on behalf of Vratislav Podzimek [[email protected]]
> Sent: Wednesday, February 01, 2012 6:18 AM
> To: [email protected]
> 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
> [email protected]
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