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RE: Resize raid? RAID Reconfig Tool?

>Raid5 on n-1 disks is more like raid0....

Are you sure there? It seem to have come up as one 200GB device?

cookiemonster:~# cat /proc/mdstat
Personalities : [raid5]
md0 : active raid5 hdd1[1] hdc1[0]
      195358336 blocks level 5, 64k chunk, algorithm 2 [2/2] [UU]

unused devices: <none>

>What you can basically do is build a degraded array (using missing)
>mdadm -Cv /dev/md0 -l1 -n3 /dev/hdc1 /dev/hdd1 missing

Wouldn't I want -l5?

>It will be like having raid0 (in terms of security) but will let you 
>move your existing data onto it.

...which is what I want, cause the last 200GB is the one with the data

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