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Forum Discussion
ReadyNAS NV+ V2
Hi.
After weighing up the pro's and cons of either getting an NV+ V2 or building a PC and running software RAID in *nix, i decided NV+ due to the main reasons of cost, power usage and size (it's tiny compared to a machine i'd build and uses less power).
But the one thing i'm not sure of is what happens if the NAS box dies? If it's a PC running *nix RAID, it is pretty simple to get the RAID working with different hardware but is that possible with an NV+ V2 running X-RAID2?
I have done some searching and i found some references to this being possible with the sparc based v1's but i have not seen anything definite about the v2's.
If it is possible, would the discs be read one at a time or would all 4 discs be needed at once?
Also, how would this be done? Same process as the v1 discs or would it be different?
Thanks for any advice you can provide.
After weighing up the pro's and cons of either getting an NV+ V2 or building a PC and running software RAID in *nix, i decided NV+ due to the main reasons of cost, power usage and size (it's tiny compared to a machine i'd build and uses less power).
But the one thing i'm not sure of is what happens if the NAS box dies? If it's a PC running *nix RAID, it is pretty simple to get the RAID working with different hardware but is that possible with an NV+ V2 running X-RAID2?
I have done some searching and i found some references to this being possible with the sparc based v1's but i have not seen anything definite about the v2's.
If it is possible, would the discs be read one at a time or would all 4 discs be needed at once?
Also, how would this be done? Same process as the v1 discs or would it be different?
Thanks for any advice you can provide.
3 Replies
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- First, if your NV+ V2 is under warranty and there is a problem, Netgear will send you a replacement unless the problem is something like a lightning strike that destroys the unit. In that case, the best option is to replace the box with a refurbished one after going through the RMA process. Assuming the disks themselves are OK, then it can be as simple as putting the four disks into the new chassis (in the same order if possible) and simply turning on the new unit.
You also will have access to free technical support by phone for 90 days after purchase and free on-line technical support for the life of the warranty.
Please keep in mind that RAID is not a substitute for a back up of your data. It is a convenience, combining multiple drives into one large volume and allowing that volume to survive in the case of a single drive failure (dual drive failure in the case of 6 bay units with 4 or more drives and dual redundancy selected). I have a primary NAS and a secondary that backs up the primary every night. In addition, periodically I back up my critical/important data to a WD Passport and take to to my safety deposit box replacing it's twin which goes back up to be wiped and used for the next backup.
If this seems like a over the top solution, once you have encountered a total loss of all data on your hard drive (decades ago long before there was a desktop NAS). I have maintained a two deep backup ever since. I have a lot of music and videos that have been pulled from CDs and DVDs (which I still have) and while it would be inconvenient to back up all of that, I don't consider it critical or important like financial information and records and photographs. - Hi, thanks for the reply.
I'm well aware of the warranty status of the NAS and the fact it isnt a perfect backup solution (I have already contemplated a 2nd box but this is not feasible at the minute).
I just want to cover what I would do if the ReadyNAS died and i can't replace the box, how possible is it to retrieve the data off the drives as per my first post.
Thanks for any help. - The process is different for the NV+ v2 compared with the v1. The process for the v2 would be simpler and the same as for the x86 line.
I think you'd need to do something like:
sudo su
apt-get install lvm2
mdadm --assemble --scan
vgscan
vgchange -ay c
mount /dev/c/c /mnt
It would be better to move the drives over to another ARM ReadyNAS though in my view.
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