Thanks Scott.
I read all this docs and found some interesting thinks about my environment that I had forgotten. I use mkinitrd to put raid1 module into kernel, thus all are fine now. My centos installation had raid1 as a module and due this i had so troubles.
On 1/24/06, Scott Silva ssilva@sgvwater.com wrote:
Cleber P. de Souza spake the following on 1/24/2006 6:11 AM:
Hi Scott.
It's exactly what I want to do. any suggestion?
It will take a little bit of work, but it can be done as I did it a couple of years on our mailservers. The second hard drive will need to be blank to make things easier. Get a copy of the software raid howto (http://www.tldp.org/HOWTO/Software-RAID-HOWTO.html), and read it.You might want to look carefully at the sections on mdadm and swap on raid. Also get this article; http://www.linuxdevcenter.com/pub/a/linux/2002/12/05/RAID.html. Make sure you have a current rescue boot floppy or cd as grub will have problems until you get it corrected. The migration part is in this section; http://www.tldp.org/HOWTO/Software-RAID-HOWTO-7.html#ss7.6 but use mdadm instead, as you can make a raid array with one drive missing, copy the data from the old drive to the equivalent raid device on the new drive. Then edit your /etc/fstab "carefully" and reboot. If everythings running ok on the second drive, then you can copy the partition structure to the old drive and add the partitions to their respective array and let them rebuild.
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