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Can I convert my RAID1 to RAID0 ???
Hello.
Can I from root ssh console convert (or reconfigure) my RAID array from RAID1 to RAID0 (without factory reset) I have two 4TB WD Red Hdd
root@nas-server:~# mdadm --detail --scan --verbose
ARRAY /dev/md/0 level=raid1 num-devices=2 metadata=1.2 name=E0469AA053AA:0 UUID=b173d07a:a146596e:285cb8ca:7c720e42
devices=/dev/sda1,/dev/sdb1
ARRAY /dev/md/1 level=raid1 num-devices=2 metadata=1.2 name=E0469AA053AA:1 UUID=635ffa15:4ee3a544:aa608c25:321cf6a3
devices=/dev/sda2,/dev/sdb2
ARRAY /dev/md/2 level=raid1 num-devices=2 metadata=1.2 name=E0469AA053AA:2 UUID=c447653e:3fa07adb:252e9afb:50f1139f
devices=/dev/sda3,/dev/sdb3
--------------------------------------
root@nas-server:~# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md2 : active raid1 sda3[0] sdb3[1]
3902296752 blocks super 1.2 [2/2] [UU]
md1 : active raid1 sda2[0] sdb2[1]
524276 blocks super 1.2 [2/2] [UU]
md0 : active raid1 sda1[0] sdb1[1]
4193268 blocks super 1.2 [2/2] [UU]
unused devices: <none>
I don't want touch OS partition because I have updated squeeze debian with already installed custom software.
I believe that for this I can use for example WEBMIN.
Is this good idea ???
2 Replies
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Hello musicwarez,
I understand that you would like to change the raid configuration of your NAS without going through a factory reset and/or affecting the the OS partition where you already added a custom software. Changing the raid without reset would work by deleting the volume and creating a new one the select the raid under the admin page. But the problem is that the shares and OS partition is save under the volume so it will affect the second condition you have raised.
Regards,
Marty_M
NETGEAR Community Team
musicwarez wrote:
Is this good idea ???
If you mean RAID-0, then in my view creating an 8 TB RAID-0 volume generally isn't a good idea. If either disk fails you lost the entire volume. It's safer to use JBOD (one disk per volume).
If you mean Webmin, then I have no opinion.
musicwarez wrote:
Hello.
Can I from root ssh console convert (or reconfigure) my RAID array from RAID1 to RAID0 (without factory reset) I have two 4TB WD Red Hdd
I don't know how to do this on a duo v2. With OS 6 it would be possible from the web admin UI - you'd destroy the raid-1 volume, and create new one(s).
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