RAID 0 data recovery is possible in some cases, but due to the fact that it has no redundancy, RAID 0 recovery is often a very difficult task.  
It is imperative that you speak to an expert before attempting to recover the data yourself, as this will greatly improve your chances of recovery. 
Despite the fact that RAID 0 data recovery is difficult, it is by no means always impossible. Whether you have a failure of one or more member disks, or no connection to any member disk, we can recommend a local expert to review your RAID data recovery options. 

RAID 0 data recovery 

Here we describe a little more about how RAID 0 is configured, and the different considerations when it comes to data recovery from RAID 0. 

What is RAID 0? 

RAID, or Redundant Array of Independent (or Inexpensive) Disks, is a storage technology that is generally deployed to give users a scalable, fast and cost effective solution to growing storage needs. RAID arrays usually emply some measure of redundancy to insure against data loss. 
There are two types of RAID: software RAID and hardware RAID. With the former, the responsibility for organising the data across the disks lies with the operating system, and with the latter it is a designated RAID controller that manages the data.  
RAID 0 specifically employs a system called striping, where the data is divided between different disks in multiple segments. This enables the data to be read quickly due the fact that all disks are being accessed simultaneously. It is also a cost effective setup due to the fact that almost all of the disk space is used to store data and expensive RAID controllers are rarely required. 
The downside of this configuration however is the lack of redundancy - no disk space is given over to information that can help rebuild data if drives fail. 
RAID 0 is generally used where fast, cheap storage is required, but data is not critical (or is sufficiently backed up in the case of data loss). 
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Is data recovery from RAID 0 possible? 

Whether or not your RAID array is recoverable after data loss depends a lot on what caused the problem in the first place. With RAID 0, as a general rule when one drive or device fails, the whole system fails.  
This can complicate the recovery and is one of the things that makes data recovery RAID 0 different from other types of RAID recovery. 
If the issue lies with a failed member disk, particularly after a physical or electromechanical failure, then that disk will need to be repaired first. Often, this will require access to a class 100 clean room and specific data recovery tools and expertise to be able to extract an image of the raw data. 
Once the raw data has been extracted, the system will then need to be recreated and potentially repaired, especially when there is an incomplete image of the data.  
For situations where connection to any member disk is not possible, perhaps after a RAID controller failure or software corruption / malfunction, then the chances of recovery can be a little higher. 
As is often the case with data recovery however, the sooner an expert is engaged the better, as this will ensure a non-destructive analysis and potential recovery. 
Common RAID types and systems that can potentially be recovered from include: 
Dell PowerEdge 
HP ProLiant 
SQL Server 
Any file system 
Any operating system 

 What can I expect to pay for RAID 0 data recovery? 

As mentioned previously, there are many different failure types, hardware and software configurations, and timeline vs cost considerations. 
This makes it very difficult to accurately assess likely fees ahead of time, but here you will find some common industry averages charged by the more competent data recovery companies, to give you an idea of what you can expect to pay for RAID 0 data recovery. 
Ultimately however, only you can gauge the value of your data, and decide whether the fees represent good value versus the alternatives, such as restoring from an older backup (if it exists) or manually recreating any lost data. 
Industry estimates* 
Standard business hours 
24/7 emergency service 
RAID 0 recovery 
On-site charge 
$1,000-$2,500 / day 
$2,500-$5,000 / day 
R&D charge 
*Of course fees can vary greatly from one company to another, but be sure to make your decision on more factors than just price, you might only get one chance at RAID 0 recovery. Generally $1 will equate to €1 or £1 in the different regions. You can expect similar fees for all RAID arrays, including RAID 1, RAID 5 and RAID 10 devices.  
You can almost always expect to get an initial phone consultation for free, and it is always advisable to take advantage of this before attempting any recovery yourself. If an onsite or emergency evaluation is required, these could well be chargeable. 
Frequently a more in-depth evaluation of your RAID array, member disks, operating system or file structures is required to establish the recovery parameters, including the actual RAID 0 recovery fee, and this could take several days depending on your situation.  
This effort is usually something you would have to pay for, however, it is often a valuable step as it enables you to make a more informed decision about whether or not to proceed / commit any more material recovery fees.  
The recovery itself will range greatly, but you should have a much better idea of exact fee or narrow range after the evaluation. RAID 0 data recovery can take anything from hours to weeks depending on the work required, and if any research and development of tools is necessitated then this can be even more costly and time consuming. 

Can I use RAID 0 data recovery software? 

There are several RAID 0 data recovery software tools available on the market, but as with all attempts at data recovery yourself, caution is advised. 
Many times you will only get one chance to recover data, so if your data has value, or if you don't have a recent enough backup to restore from, is it really worth taking the risk? 
Not only can RAID data recovery software tools be a little heavy handed in their recovery process, it is also very important to ensure that you do not install software on any device that has data that you need to recover, as you run the risk of overwriting data that you need. 
Equally, there is no software that will fix a physical problem with your drives or RAID controller, and continuing to power up your devices when a physical or electromechanical problem exists is likely to cause more harm than good.  
So before attempting recovery yourself - with or without software - take advantage of a free consultation from a recovery expert, it might be the difference between a successful recovery and a complete data loss. 
If software recovery of your RAID 0 array is something that you would like to attempt, click the link below to see which RAID 0 recovery tools we recommend

How do I increase my chances of data recovery from RAID 0? 

First and foremost, do not underestimate the complexity of RAID 0 data recovery, and before embarking on a DIY attempt, avail yourself of a free consultation with a data recovery expert. It might be that they determine you can attempt it yourself, or they give you some important information to avoid permanent data loss. You have nothing to lose but a few minutes of your time. 
If you do decide to try to recover data yourself, then always try to do this on a copy of the data or with sufficient rollback measures in place. And never install RAID 0 data recovery software directly onto the system that you are trying to recover from. 
If you choose to entrust your valuable data to an expert, ensure they have the following credentials: 
A class 100 (or better) clean room environment to overcome any physical issues with your disks. 
Relevant security and confidentiality credentials, preferably with testimonials to match. 
An R&D team and technical exchange relationships with key RAID 0 device and software manufacturers. 
A good range of independent reviews, not only from the easy to manipulate review aggregators. 
A completely transparent pricing policy, and no hidden fees or charges if you decide not to proceed. 
Ultimately, data recovery is not an exact science, and therefore a successful outcome cannot always be guaranteed, but the more research you do and the more questions you ask, the higher your chances will be of a full RAID 0 data recovery. 
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