Disk show –a will show all discs, including those assigned to the previous control ID….

You can then see which ones you need to reassign.

Once re-assigned, reboot the new controller and it should assume the identity of the old controller and boot normally.

Ian.

From: toasters-bounces@teaparty.net [mailto:toasters-bounces@teaparty.net] On Behalf Of Camillo Gornati
Sent: 01 October 2014 01:43
To: Jeff Cleverley
Cc: <Toasters@teaparty.net>
Subject: Re: Replace controller

When i type disk show, it only shows me 24 disks, which are assigned to controller B, as this is controller A (which has been replaced.

Is this correct?

We have 2 shelves connected to the system.

On Sep 30, 2014, at 7:27 PM, Jeff Cleverley <jeff.cleverley@avagotech.com> wrote:

Camillo,

I'm not familiar with the 2020 series or quirks it may have. I would have expected the controller personality to transfer with the CF card It sounds like you may be in a

These are the basic steps you need to take.

1. Boot the controller connected to the drives to the special boot menu. There should be a maintenance option, often #5. Select that.

2. Once you are in that mode, you can do one of 2 things:

a. remove the ownership of all the drives by running disk remove_ownership all -f

b. run sysconfig and get the current system ID. You can then reassign the disks using the disk reassign command.

Once you have done that, you should be able to boot up and it should see the drives.

Jeff

On Tue, Sep 30, 2014 at 3:50 PM, Camillo Gornati <cams1976@gmail.com> wrote:

Hi all!

In our environment, we have a FAS2020a and a FAS2020.

FAS2020a had one controller bad, we installed a replacement we had, installed old the CF CARD, but system won’t boot, it says there is no disks for root volume.

That is because all disks are assigned to old controller.

How could we assign those disks to new controller without losing any data?

Thanks in advance

Camillo

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