[SATLUG] Cloning a server

[Matt]

On the subject of cloning a server, wouldn't the following work too?

1: On a single drive installation, install new drive as hdb
2: Boot off of a linux CD (LNX-BBC works, so does Knoppix)
3: cat /dev/hda > /dev/hdb or dd if=/dev/hda of=/dev/hdb

FIRESTORM_v1










On Tue, 2004-08-03 at 14:55, Chuck wrote:
> Actually, you do have two swaps.
> 
> If you look at that output, it shows /dev/md1 as swap.  So, apparently
> you've RAID'ed the swap partitions.  Although I've never heard of doing
> that, I can't see any reason why not.  It MIGHT result in a very tiny
> performance hit as it writes swap info to both drives -- but if
> detectable, it would not be worth mentioning.
> 
> You have three RAID devices: md0, md1, and md2 cooresponding to swap,
> /boot, and /root.  That cloning method I mentioned should work just
> fine.  Just be sure you put in identical drives as the two new secondary
> drives and partition them exactly the same as the primary drives.
> 
> 
> Chuck
> 
> 
> 
> 
> On Tue, 2004-08-03 at 14:24, Sean Carolan wrote:
> > Chuck:
> > 
> > Thank you so much for the help.  When I originally partitioned the
> > hard drives I made separate partitions on each of the drives for boot,
> > swap, and root.  I then mirrored them so that /etc/fstab shows them
> > each as their own block device.  So when you boot the machine up and
> > look at /etc/fstab it looks like this:
> > 
> > /dev/md2                /                       ext3    defaults        1 1
> > /dev/md0                /boot                   ext3    defaults        1 2
> > none                    /dev/pts                devpts  gid=5,mode=620  0 0
> > none                    /dev/shm                tmpfs   defaults        0 0
> > none                    /proc                   proc    defaults        0 0
> > none                    /sys                    sysfs   defaults        0 0
> > /dev/md1                swap                    swap    defaults        0 0
> > 
> > So did I make a mistake here?  I followed this guy's tutorial:
> > 
> > http://www.aplawrence.com/Linux/softmirror.html
> > 
> > But maybe he had the wrong info on there. . . I don't have two swap
> > partitions as you mentioned.
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> 
> 
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