Re: Software Raid Expert Needed

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Iulian Badea wrote:
Hello all,

I have 2 x 250GB sata disks (sda and sdb).

# fdisk -l /dev/sda

Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1       14939   119997486   fd  Linux raid
autodetect
/dev/sda2           14940       29878   119997517+  fd  Linux raid
autodetect
/dev/sda3           29879       30400     4192965   fd  Linux raid
autodetect

# fdisk -l /dev/sdb

Disk /dev/sdb: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1         522     4192933+  fd  Linux raid
autodetect

# cat /proc/mdstat
Personalities : [raid1]
md2 : active raid1 sdb1[1] sda3[0]
      4192832 blocks [2/2] [UU]

md1 : active raid1 sda2[1] sda1[0]
      119997376 blocks [2/2] [UU]

What I want to do:
- have on each disk 2 partitions (4gb for swap and the 200gb+ the rest for
/)
- raid 1 between them

This is what I wanted in the beginning, but...I didn't paid attention...

What can I do to rebuild it to my needs (without loosing data or
reformatting)?

Thanks
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I don't know if you are going to keep lvm or not but here is a howto:
http://www.howtoforge.com/set-up-raid1-on-a-running-lvm-system-fedora8

Also just search for "raid1" on that website and you can find more stuff.

Sam

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