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Forum Discussion
ReadyNAS Duo V1 HW Rev 2 Standard Raid Configuration (Recovery)
Dear All,
actually I moved from my old ReadyNAS Duo V2 (RND2000) to a new NAS. Unfortunately I forgot to copy one folder with a lot of movies from my children taken by camera and camcorder. Furthermore I made a factory reset, because ironically I wanted to set it up as new backup drive. The only good thing, I don’t have written any new data on the drive.
With R-Studio I found a lot of old data on the drive but most movie files are fragmented or not playable. Now I want to reconstruct the RAID System in R-Studio and for this I need the standard values of the first setup. The system consists of two SAMSUNG HD103SI (1TB) hard drives and I think they were used in RAID1 configuration, but I’m not sure. When I scan the drives sepaerately with R-Studio they seem to be mirrored. So the first question is, were the drives configured at first start-up in RAID 1 or the special X-Raid format? And what are the standard parameters:
1. Disk order (Left = 1, Right = 2)
2. Block size
3. Block order
4. Disk offset
Thank you very much in advance.
Best regards,
Ernie
The ReadyNAS Duo V2 is built of two 1TB harddisks , beause Netgear uses ther special X-Raid format.
Does anybody know, what settings I should use to build up a virtual raid or to scan the drives.
Thank you very much in advance.
Best regards,
Ernie
16 Replies
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Please excuse the double ending of my first entry. There is a copy-paste fragement from my inquiry in the R-Studio forum. Unfortunately I can't edit my entry, perhaps the moderator can delete this fragement.
Thank you,
Ernie
Are you sure that you have a v2? The label on the back is very misleading.
Check this article before you reply: http://www.rnasguide.com/2012/01/09/how-to-tell-whether-i-have-a-duo-v1-or-duo-v2-or-nv-v1-or-nv-v2/
Thank you very much for your hint. The rear layout is definitely v1 with USB 2.0 and I have the confusing sticker, which says "ReadyNAS Duo RND2000 v2".
Unfortunately I don't know the rstudio settings you need. I recall Netgear supplying them fairly recently on the forum, but I don't recall what platform (v1, v2, or legacy x86).
I can tell you that disk 2 is a "parity disk" that doesn't have a formatted data partition (e.g. the parity blocks are saved in the unformatted area of the disk). There are small partitions for the OS partition and swap.
Disk 1 should have a data partition. Note that depending on the history, disk 2 might sometimes end up in slot 1.
One option is to do a factory install on a fresh disk, and see if you can get rstudio to tell you what the right parameters are. You can also get a data recovery contract from Netgear.
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