Re: I've got an interesting problem (at least to me).....

[Kevin Martin <kevintm@xxxxxxxxxxxxx>]

On 09/29/2011 10:45 AM, Joe Wulf wrote:

Interesting thread.  :)

I would like to know a bit more about your process for booting knoppix (which version/edition, too) and rsync'ing between the two  partitions.  Thanks.

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From: Kevin Martin <kevintm@xxxxxxxxxxxxx>
To: Community support for Fedora users <users@xxxxxxxxxxxxxxxxxxxxxxx>
Sent: Thursday, September 29, 2011 11:36 AM
Subject: Re: I've got an interesting problem (at least to me).....



On 09/29/2011 10:27 AM, Tom Horsley wrote:
> On Thu, 29 Sep 2011 09:57:17 -0500
> Kevin Martin wrote:
>
>> Ooooohhhhh, didn't occur to me that that information would be dd'd!  Crud!    Guess I'm off to do some partition copies!
> No need for anything that drastic. You could just do something like
> use e2label to give the partitions symbolic labels (different
> on each disk) and change fstab to use LABEL= instead of UUID=.
> I think there is even a tool that lets you change the UUID,
> but I don't remember the name or how to use it :-).
Yea, and I'll end up doing that, but the problem is that I've done some yum installs and yum updates and, of course, reading mail,
browsing the internet, etc., and there are now new files here and there on cross partitions that need to be good to go on, at least,
one of the two disks.  Then I can do the UUID changes and make sure that I boot from the disk where all of the partitions are
current.  I'm thinking I *may* be able to rsync partitions, copying "newer" files back and forth (probably after booting into
Knoppix).  That should do it.  I'll have to think about it some more and decide on how to do this.

Thanks.

Kevin
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ok, so what I ultimately did was boot into Knoppix, grab a program called "meld", make it, and then "meld" the equivalent partitions (after mounting them under /media).  This gave me a long diff'd list of changes on the two filesystems and then I manually picked and chose which files to move over to my "main" hard drive.  I really wanted to use kdiff3 but it became a huge PITA trying to get it compiled under Knoppix.  I then made sure to reset my UUID's on the secondary drive (tune2fs -U random /dev/sdb[#]) so when I rebooted I was back on only one drive for all of my mount points.  Then, just for the sake of doing it, I did an "rpm --rebuilddb" and a "yum update".   I only now have one problem with nouveau but I'm hoping the update fixed that.

Kevin

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