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[bill_bly_ca]

I have had a DNS-320 running 2 -  500Gb as a 1TB JBOD disk for about 2 months.

Approximately 600Gb is filled in the box, so I know for sure one drive is full.

I recently found out that one of my failed 1.5 TB disks on the shelf was under warranty and I received a replacement yesterday.

I would like to remove one of the 500Gb drives and put the 1.5TB in its place..

Using the terminology that is typical for me into Google does not give a search result to instruct me how do this.

I assume I can do this by moving 200 GB to a USB Hard drive and then apply some procedure to move to one drive but I am not finding any good instructions to do so.  Moving everything off of the NAS , reconfiguring, and reinstalling, is time consuming and I would like to avoid that.

So 3 questions..

1) Can I just plug the USB drive in the front of the DNS-320, have it find a new lettered drive, and copy the 200GB over that way?   Is there a better way??

2) Once I have shrunk the data foot print to 400GB how do I move all of the data so that it is only on one drive?

3) How do I then grow the JBOD to 2GB when the new drive is installed?
         Or do I have to leave the NAS showing 2 volumes, one at 500 and one at 1.5.

[ivan]

Answers:
1)  No - the copy works from the USB disk to the DNS-320
2)  You don't .
3)  Start from scratch.

Not what you wanted to hear I know.

The best and safest way to do your size increase is to make sure you have a tested, working, up to date backup of your data.  You can then replace one of your disks with the larger one, set them up as JBOD and do any formatting necessary then restore from your backup.

[JavaLawyer]

. . . Moving everything off of the NAS , reconfiguring, and reinstalling, is time consuming and I would like to avoid that.

This excerpt from your post implies that you have no backup. If my interpretation is correct and your data is important, please consider making a backup of your data.

[bill_bly_ca]

@Ivan  - The whole story is that I checked the shelf and found 2 drives within warranty. One of the 2 are here and I thought a drop in may be nice.. Now I may as well just make a new NAS box.

@JavaLawer Yes the golden rule of "There are 2 types of people - Those who have lost data and those who will lose data" 

My main back up box is a 323 I have had for 4 yrs now in Raid 1 . It is a working back up for pictures and music. No automated backups. 

With two "free" drives and the 320 going for $94 up here in Canada it may be better to just set up another 320 as a 1.5T dedicated back up box on the other side of the house so all the data in not in one room (Yes Bad Idea)

[ivan]

Since that is the case then I say 'go for it'.  I have 2 DNS-323, 1 DNS-320 and a DNS-345 at home and we have 8 various ones at work that either serve as central storage or backup to our HP storage system plus the three DNS-323 that are off-site backup.