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Recover JBOD
In JBOD (Just a Bunch Of Disks) the disks are just added together or concatenated. There is no block distribution as in RAID 0. It is a very practical system, since you can join several disks of different sizes and different performances. But there is no performance or reliability gain.
In a JBOD data system if you have three hard drives of 100, 200 and 300 GB the end result will be a volume of 600 GB. In a RAID 0 if you have 3 disks of 100, 200 and 300 GB the end result will be a volume of 300 GB. The reason for this is the way the 2 types work. RAID 0 distributes the blocks of information evenly. The data system in JBOD adds up the disks.
Each hard drive can make its own contribution, regardless of its capacity. In the case of RAID 0, if you mix hard drives of different sizes and different performance, the system will work as if all the disks were the size of the smallest and work at the speed of the slowest disk. Because all the disks are interlaced.
Because JBOD does not provide any redundancy, it is very prone to data loss compared to other RAID levels. The main problems that lead to data loss are: configuration problems, logical problems and physical problems.
In all these scenarios Digital Recovery is able to act.
Why Digital Recovery?
Digital Recovery is a company specialized in recovering RAID of all levels. We created a dedicated division to exclusively serve highly complex environments.
This business unit is known as Data Center Recovery Services and specializes in recovering data from RAID systems (0, 1, 10, 5, 50, 6, 60, vRAID, RAID-Z and JBOD), Storages (NAS, DAS and SAN) with Host Channel iSCSI, SAS and FC (Fibre Channel) from various manufacturers such as HP/HPE, Dell/EMC and IBM/Lenovo, Databases (Microsoft SQL Server, Oracle, MySQL, PostgreSQL, MariaDB, Firebird, DB2, Informix, Caché and Btrieve) and virtual machines (Microsoft Hyper-V, VMware, Citrix XenServer, Proxmox and Acropolis).
Even if you have received a negative diagnosis from a data recovery company, we are still happy to analyze your case.
We have developed software and hardware technologies that enable us to act with precision and agility in advanced diagnostic and data recovery processes. The creation of technologies – many of them proprietary and exclusive – has kept Digital Recovery on the cutting edge.
One of our technologies, called Tracer, is capable of generating differentiated results in data recovery from Virtual Machines, Databases and RAID systems. Through millions of calculations and analysis of millions of records, this technology makes it possible to drastically reduce project execution time, as well as increase success rates to almost 100%.
We are a Brazilian company with a branch in Germany. Other partnerships for information exchange and technology sharing are made between companies in countries such as the United States, Russia, and Ukraine.
In addition to providing services to governments, financial institutions, and small, medium, and large companies, Digital Recovery also provides services to other companies that are also active in the area of data recovery.
If your data is stored on a device located outside of the countries where we have labs, we have the technology to enable us to assess and recover your data remotely. If this is the case for you, please consult our department 24×7.
Should you need it, we can also provide you with a Non-Disclosure Agreement (NDA) in a language of your choice. Please talk to one of our experts about this.
Being fully aware of the existing levels of pressure and urgency in data center and cloud computing environments, we also offer a 24×7 urgency service. This type of service provides our customers with the ability to perform services 24 hours a day, 7 days a week, 365 days a year.
We are always online
Please fill out the form, or select your preferred contact method. We will contact you to start recovering your files.
Customer experiences
What our customers say about us
"We had a serious issue following a NAS server power outage in Raid 5. I immediately contacted DIGITAL RECOVERY. After a few days of hard work the issue was resolved."
"One of our RAID servers had stopped. After several attempts without fixing the problem we found DIGITAL RECOVERY and 5 hours later, at 4:00 am, the data was recovered."
"We referred DIGITAL RECOVERY in a special case (data loss) in a storage RAID 5. Digital Recovery recovered 32 million files and the customer was extremely satisfied."
"Without any doubts the best data recovery company. Digital Recovery contact details will always be saved on my cell phone, as I will inevitably need it again."
"The quality of the service is excellent. The attention given to the service is gratifying and the feedbacks that are given leave us calm, knowing that we can trust in the work and dedication."
Customer since 2017
"Great company, they saved me from a big problem!!! I recommend them, what a quick service, my thanks to the Digital Recovery team for the attention and speed in solving the problem! Awesome!"
"The second time I count on the agility and professionalism of the Digital Recovery team, they are very experienced and agile. I recommend them to everyone"
They helped me recover some data that I had thought was lost. I had a great experience with the team for their calmness, agility, and transparency.
Answers from our experts
What are the main causes of data loss in JBOD?
Data loss in JBOD can occur for many reasons, the most common problems are:
Configuration problems
- Loss of Array data;
- Deletion or change in the RAID controller settings;
- Exclusion or change of the Array volumes;
- Loss of the sequential order of the disks.
Logical Problems
- Deletion or corruption of data on partitions;
- Formatting drives or partitions;
- Overwriting information;
- Formatting followed by reinstallation of systems;
- Problems booting the system;
- Dissynchronization of data from one HD to another.
Physical Problems
- Burns or problems occurring on the RAID controller;
- Burnout of electronic circuits;
- Burnout of read heads;
- Breakage of read heads;
- Damage to the disk surface (HDD platters);
- Bad Blocks – Defective Sectors;
- Natural wear of the media;
- Scratches and scratches surface;
- Scratches and scratches serious;
- Locked motor bearings;
- Motor burnout;
- Problems caused by falls or impacts;
- Problems related to the Servo Mechanism area;
- Firmware problems;
- Problems with Water or other liquids.
Specific Problems
In a system with JBOD data, if one of the disks stops, all the data will be inaccessible. In fact, the only gain is one of convenience, with the ability to use multiple disks of any size to form a single large capacity volume, rather than having multiple hard drives.
How does JBOD handle corrupted data on a hard disk?
JBOD has no built-in mechanisms for handling corrupted data on a hard disk. When data corruption occurs on a disk, JBOD continues to operate normally, but the affected data becomes inaccessible. Recovering data on a JBOD with corrupted hard disks can be complicated and requires specialized tools.
What happens when a hard disk fails in a JBOD system?
When a hard disk fails in a JBOD system, the data stored on that disk becomes inaccessible. JBOD can continue to operate normally, but the total storage capacity of the volume is reduced by the size of the failed disk. If a second disk fails, all data stored on the volume is lost. To minimize the risk of data loss in a JBOD, it is recommended to use reliable hard disks and to regularly back up the stored data.
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What you need to know
How does data loss occur in JBOD?
Data loss in JBOD can occur due to various factors, such as hardware failure, human error, data corruption or power failures. If one of the hard drives fails, the entire volume may be affected.
What are the risks of using JBOD?
The main risk of using JBOD is the lack of data protection. If a hard disk fails, all data stored on that disk will be lost. Also, volume expansion in JBOD can be complicated and limited compared to other storage configurations.
How can I minimize the risk of data loss in JBOD?
One way to minimize the risk of data loss in JBOD is to use reliable, high-quality hard drives. In addition, it is important to regularly back up the data stored in JBOD and regularly monitor the integrity of the hard disks.
What are the alternatives to JBOD to prevent data loss?
There are several alternatives to JBOD that offer greater data protection, such as RAID (Redundant Array of Independent Disks). RAID allows hard disks to be organized into arrays of data, with built-in redundancy to protect against disk failure. Other options include SAN (Storage Area Network) and NAS (Network-Attached Storage), which provide centralized storage and network-level data protection.
