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Author Topic: Replace with new drives  (Read 4333 times)

bEuwe

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Replace with new drives
« on: February 04, 2013, 11:05:53 AM »
Hi,

Likely a stupid question, but I can't find any information about this, and I can't figure it out on my own.

I want to replace my current raid 1 disks (250 Gb) with two new drives (1Tb). How do I tell my DNS-323 to forget about his old drives, and scan for new drives?

(I'm running Ubuntu, so I can't run the Windows 'easy search utility', should that be the only way)

Tx!
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JavaLawyer

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Re: Replace with new drives
« Reply #1 on: February 04, 2013, 12:41:47 PM »
The DNS-323 does not support RAID resizing. To change from a RAID-1 250GB to a RAID-1 1TB, you need to offload your data to another storage location; remove your two 250GB HDDs; create a new RAID-1 with your 1TB HDDs; and copy the data back onto the DNS-323.
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Find answers here: D-Link ShareCenter FAQ I D-Link Network Camera FAQ
There's no such thing as too many backups FFC

bEuwe

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Re: Replace with new drives
« Reply #2 on: February 05, 2013, 11:46:07 PM »
That is too bad. So it seems I must somehow copy all data to a third solution, then wipe the old drives, install the new drives, then copy all data back to the nas? Highly inconvenient, as I currently don't have enough room on my laptop's ssd.

Tx for the answer though, it helped me a lot.
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JavaLawyer

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Re: Replace with new drives
« Reply #3 on: February 06, 2013, 04:28:56 AM »
It sounds like you don't have a backup of your data. If your data is important to you, you should maintain a separate physical back. RAID-1 offers redundancy, but is NOT a backup: DNS-323 - Backup vs. Redundancy

That said, you can mount one of your RAID-1 HDDs in a PC; format your new RAID-1 using larger HDDs; and then copy your data back: DNS-323 - Data Recovery (Windows PC)

Finally, if you don't have a backup of your data and you don't expect to have one anytime soon, you may want to consider creating two Standard Volumes (rather than RAID-1), and run scheduled backup jobs between the two volumes. This approach is not the best backup strategy, but provides more data security than a RAID-1 array. Again, see this thread: DNS-323 - Backup vs. Redundancy
« Last Edit: February 06, 2013, 04:31:50 AM by JavaLawyer »
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Find answers here: D-Link ShareCenter FAQ I D-Link Network Camera FAQ
There's no such thing as too many backups FFC

ivan

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Re: Replace with new drives
« Reply #4 on: February 06, 2013, 06:38:43 AM »
Just to add to what JavaLawyer says, you could use one of your existing 260GB disks fitted into a USB caddy as your backup (you could even format it to NTFS if you use windows).

I also endorse JavaLawyer's statement about RAID 1 not being a backup.  It was never designed as a backup only as a way of having the data always available even if a disk dies.  Should the unit holding the RAID array die it may take out the disks as well and unless you have a tested, working backup you are up the proverbial creek without the paddle.

At the moment you are in the position to provide yourself with a backup and extra storage with your NAS disk upgrade.  Here in Europe you van get a USB2/SATA external disk box for around 20 euro.  With one of your small disks in one you can use it to transfer (with the necessary Ext2/3 ifs or reading software installed) your data to the new larger disks in the NAS.  Once that is done you have a backup ready made.
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