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Which Ready NAS do I need please? I just don't understand some things.
Hi,
I apologise in advance for asking the below which have probably been asked before - but not found by me.
First, I currently have:
* Ultra 2 with 2x2TB WD red
* Pro 2 with 2x1TB WD
I now need storage of 4TB in one machine. The HCL for drives of the above shows many drives that are discontinued (Australia).
So I'm looking at the new OS6 models ...
* It seems to me that a 4 bay makes sense - but if I used XRAID 2 with 4x2TB disks, would I have 4TB? I have seen posts where snapshots automatically take up available space. Can I use 4x 3 or 4TB drives?
* I don't understand the differebce between the 1, 2 and 3 series 4 bay models. Are series 1 superceded?
* Ehat is the EDA500 - or what does it do?
* Can I backup from the new OS6 models to my Ultra and Pro?
Thanks for your help. I want to get a model that won't be discontued 'next week'.
Oh - Cloud backup is out of the question.
Many thanks,
David
davidr1 wrote:
1. What is the procedure to convert my Nas Pro and Ultra... to OS6?
Many thanks for your help.... (how do I know if it is an Ultra Plus?)
Look at the part number on the back label. RNDP200U, RNDP400U, RNDP600U are the Plus version. RNDU200, RNDU400, RNDU600 are the normal Ultra.
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The 100 series and 200 series are for home. The 200 series is more powerful than the 100 series.
The 300 series e.g. 314 would be the logical replacement for your Pro 2.
The EDA500 is an eSATA expansion chassis. Better to get the unit with the number of drive bays you need where possible rather than get an expansion unit.X-RAID2 with 4x2TB disks would give you a volume that is larger than 4TB. The volume would be about 5.4TB.
You can use any drives on the compatibility list. There are even some 6TB disks on there. Be sure to add smaller disks before larger ones.Snapshots do take up some space, but they are very efficient in how they do so. The oldest automatic snapshots are automatically removed when volume usage exceeds 95%.
Yes you can backup from your OS6 NAS to your legacy NAS. Do you plan to have your OS6 NAS and your legacy NAS at the same site or at different locations?Thanks mgdm,
How does that work ?
Would I have 2 XRAID2 arrays or one array covering all disks? (Logically I should only have approx 4TB).
I see the HCL allows 1, 2, 3, 4 and 6 TB disks. Does that mean the first two could be 2TB, the second pair 4TB - if so would the latter only use the amount of the smaller disks?
"Yes you can backup from your OS6 NAS to your legacy NAS. Do you plan to have your OS6 NAS and your legacy NAS at the same site or at different locations?"The trick question!
Undetermined (it's an 'is it possible to use them for backups' question so I would know if that was an option.)
Currently I use a different external hdd Mon-Fri (5 disks) for daily full backups and off-site storage.
* Does it matter if each pair are different brands?
Many thanks,David
X-RAID2 uses RAID-5 by default with equal sied disks.
With 2x2TB and 2x4TB you would have a 4x2TB RAID-5 layer and a 2x2TB RAID-1 layer using the remaining space on the 4TB disks.
You can backup from your OS6 NAS to an OS4 one. Depending how you want to do it would depend which way I would recommend.
The disks do not need to be the same brand.
For SeaGate I would look at SeaGate NAS disks and for WD, I would consider e.g. WD RED Pro disks.
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