About NAS server recovery.?

Question

We have 48 TB Hdd is installed in our NAS system. The data is 14 TB in our NAS server.
Our RAID is crashed. We are working on RAID 5. Main problem is Data is also lost. Please tell me how we can recover the data? It's very important data of our office.
Tell me the complete procedure.
We purchased our NAS System from OPEN-E.

Thanks
Waiting for your response.

Answer 1

Dear,



there is no procedure you can recover data from RAID 5 as it tolerate only a single disk failure, It uses parity distribution across all drives, I would suggest you to leave the system as it is and buy a RAID recovery software, I would suggest a software from Runtime.org, one from Easeus and one from Stellar, stellar RAID recovery Software is especially for recovery from RAID 5 while runtime is for RAID 5 and 0 and easues works on all RAIDs



Hope it would help

Answer 2

If this NAS is under support, which it should be if this is a production environment, I'd call the vendor. With RAID five, you can recover from a single drive failure (there are some RAID configs that will tolerate more than one drive failure), but if you loose two, then you're lost. The drives should be hot swappable so you may just need a replacement and install it and let the parody rebuild the volume. good luck!

Answer 3

How many disks are failed ?

RAID5 is not a good option as it suffers from write hole.

RAID 5 can tolerate only single disk failure.

Anyway if there is a chance to bring back the existing disks online then data can be recovered. But if

the disks are totally gone then nothing can be done.