converting to RAID etc

[ruscook]

On Fri, 2006-11-24 at 20:48 -0200, Felipe Figueiredo wrote:


> Question: I didn't get the part if you are installing RAID/LVM in a new 
> installation then cp'ing your *data*, or are migrating the full system to a 
> set of HDs with RAID/LVM. The second is more complicated, of course.
> 


I'm going to be doing the latter shortly.
I have a 200GB HDD as HDA with boot and root partitions.
I have added 2 x 80GB HDDs as HDB and HDC.
I have partitioned HDB and HDC the same and now need to :
a) create RAID 1 partitions of each partition
b) copy root and boot from HDA to the md0 and md1 on the RAID set
c) edit grub confib on md1 (boot)
d) reinstall grub so it use md1 not /dev/hda2 (not sure about this)
e) reboot and hope like hell :-)

I will be using the s/w raid how to to try and understand the steps in
each task..

Have I forgotten or got any major errors here?

Here's my fdisk output (before I create the RAID sets)
Disk /dev/hdb: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hdb1               1        1275    10241406   83  Linux
/dev/hdb2            1276        1300      200812+  83  Linux
/dev/hdb3            1301        9729    67705942+   5  Extended
/dev/hdb5            1301        1810     4096543+  82  Linux swap /
Solaris
/dev/hdb6            1811        2065     2048256   83  Linux
/dev/hdb7            2066        9729    61561048+  83  Linux

Disk /dev/hdc: 81.9 GB, 81964302336 bytes
255 heads, 63 sectors/track, 9964 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hdc1               1        1275    10241406   83  Linux
/dev/hdc2            1276        1300      200812+  83  Linux
/dev/hdc3            1301        9964    69593580    5  Extended
/dev/hdc5            1301        1555     2048256   82  Linux swap /
Solaris
/dev/hdc6            1556        9357    62669533+  83  Linux


Kind Regards Russell
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