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Re: RHEL5 32-to-64 upgrade?



On Tue, May 31, 2011 at 11:07:25PM +0100, Grzegorz Witkowski wrote:
> On Tue, 2011-05-31 at 15:17 -0400, fred smith wrote:
> > On Tue, May 31, 2011 at 01:04:21PM -0400, John Dalbec wrote:
> > > Is there an upgrade path from 32 to 64 bit other than a complete 
> > > reinstall of the OS?
> > 
> > > Thanks,
> > > John Dalbec
> > > Software Specialist 2
> > > Youngstown State University
> > 
> > Yes, I'd like to do this, too. Advice will be appreciated by both
> > me AND the OP.
> > 
> > OTOh, if I'm forced to do a fresh install to get there, how can I
> > retain my existing RAID-1 setup without having to re-crete the entire
> > mechanism?
> > 
> > Specifically, I'm currently at 5.6 and will be updating, when I do it,
> > to 6.x.
<snip>
> Hi,
> 
> It is not recommended to upgrade from 5.x to 6.x. 
> Check Installation Guide.
<snip>
> In regards of RAID, are you talking about the software or hardware RAID?

Linux software RAID. Sorry I failed to mention that.

> Hardware RAID should stay intact and retain data if you will not select
> to format the virtual disk when you do just a fresh install.
> Anaconda should recognize all the current partitions during the install,
> so you should not need even to reconfigure any of the disks/volumes if
> required. I would recommend to not have any external storage attached
> during reinstallation, just for the sake of the safety :)

> In regards of the software RAID here is a nice reading: Recovery of RAID
> and LVM2 Volumes http://www.linuxjournal.com/article/8874 
> Of course all depends on specific configuration also, so always be
> prepared for the worst. Backup! ;)

Thanks for the resource pointer, I'll go read that!

-- 
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