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[Bulles30]

Hi,

I have a DNS 320 with two 1 Tb disks (RAID 1). I would like to increase the capacity storage up to 2 Tb, always in RAID 1.
Of course I will buy 2 new disks of 2 Tb each, but after ?

What is a correct process to transfer safely the contents of my actual configuration to the new one ?

Thanks for your advices,

[Bulles30]

Hi,
Just for information (because I solved by myself my question). It can be usefull for others ?

So :
- I removed from the DNS one of the two 1 Tb raid1 disks with of course an error message about the Raid 1 array,
- I tried to insert it into a caddy and plugged the caddy directly on the NAS USB input,
Surprise :
- the disk in the caddy (the old 1 Tb raid 1) is directly readable by the NAS,
- it appears in Windows Explorer as 2  shares (without something to declare before)
- when triyng to see the shares in the managing interface of the DNS, these shares appear but nothing can be modified about it.
- the share "volume 1" remains unchanged and can be modified.

Conclusions :
- each disk of an Raid 1 array is perfectly readable alone without any action.

If it can be of any help....

[ivan]

Ah, you have discovered the secret of RAID 1 - each disk is exactly the same, that is why if a disk fails you can insert its replacement and the array will be rebuilt.

Now you know this all you have to do is install the two new disks, format them as RAID 1 and then copy your data from one of the old disks mounted in a USB caddy - just remember it can be a long process if you have a lot of data on the old disk and you will need your computer on all the time the copy is taking place.