Re: [cobalt-users] Adding a second hard drive

[Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>]

On Wed, 23 Jul 2003, BlackSun: rm-r-f wrote:

> On 7/23/03 12:06 PM, "Gerald Waugh" <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> > On Thu, 24 Jul 2003, Rick wrote:
> >
> >> Hi,
> >> I would like to know what do i need to do after i add a second hard drive.
> >
> > Maybe drink one of those long-neck-bottles ;)
> >
> > It depends on what you want to do.
> > What are you trying to accomplish with the second drive.
> > Added storage?
> > RAID0?
> > RAID1?
> > What kind of a server do you have?
>
>
> I'm also running into a similar scenario.. maybe similar..
>
> I have a 1GHZ Raq550 that was setup with 2 X 40GB drives but the 1st drive
> as RAID0 by accident, and the 2nd drive is blank, unpartitioned.
>
> I would like to convert the 2nd 40GB drive and make them both RAID1.. here's
> the catch.. I don¹t want to shut down the machine as its live with sites!!
> (reboot is ok though)
>
> I've used this script that I created.. its a long boring read.. sorry..
>
> ... and the general outcome is a "Kernel Panic".. Any thoughts on this? Is
> there an easier procedure.. such as changing the raidtab to "convert" the
> 1st drive to raid1, and add the 2nd drive as failed.. then reboot?  Or does
> the first drive need to be copied to the second, then fail the 1st and re
> format the 1st as a RAID1 drive?
>
> So stumped here.. if anyone has experienced this.. any help would be
> appreciated.

I would use CMU to backup the server, schedule a 4 hour (2 hour)
maintenance period, restore the server as RAID1, do a cmuImport
and be over it.

Gerald
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