- Why can’t ordinary software tools restore files from RAID?
- How to take hard disks out of the NAS and connect them to a PC?
Why can’t ordinary software tools restore files from RAID?
Conventional hard disks keep user’s data by writing it to their surface in a consecutive way, and this is how an entire file is stored on a single hard disk. However, when data is written to a RAID system, a file is divided into several parts. Then these parts are written consecutively to all hard disks within such array. The size of such parts may range from 2 KB to 2 MB, so each file is stored on several hard disks at the same time.
Such approach helps to speed up read and write operations, and it is evident that saving two parts of a file having the size of 1 GB to two hard disks simultaneously is much faster than saving the same 1 GB of data to one hard disk. However, this peculiarity makes file recovery more complicated.
Various RAID levels store information in different ways. Additionally, manufacturers like Huawei also introduce some modifications to this process, and that is why data can be written to hard disk in a wide variety of ways.
How can the use of specific file-sharing protocols impact data loss risks on NAS Huawei FusionCube 1000 devices?
The use of specific file-sharing protocols can impact data loss risks on NAS Huawei FusionCube 1000 devices in the following ways:
- Security: Different file-sharing protocols have varying levels of security measures. Some protocols, like FTP (File Transfer Protocol), may not provide strong encryption or authentication mechanisms, increasing the risk of data interception or unauthorized access. On the other hand, protocols like SFTP (SSH File Transfer Protocol) or HTTPS (Hypertext Transfer Protocol Secure) offer better security features, reducing the data loss risks.
- Access Control: File-sharing protocols differ in their ability to enforce access control mechanisms. Protocols like NFS (Network File System) may have less granular access control options, making it easier for unauthorized users to access or modify sensitive data. Protocols like SMB (Server Message Block) or NFSv4 provide more robust access control features, reducing the chances of data loss due to unauthorized access.
- Data Integrity: Certain file-sharing protocols have built-in mechanisms to ensure data integrity during transfer. For example, protocols like BitTorrent Sync or rsync use checksums or hashing algorithms to verify the integrity of transferred files. This reduces the risk of data loss caused by corrupted or tampered files.
- Backup and Recovery: Some file-sharing protocols offer better support for backup and recovery processes. Protocols like rsync or NFSv4 may provide features like incremental backups, snapshot support, or versioning, which can help in recovering lost or corrupted data. Using protocols without such capabilities may increase the risk of permanent data loss in case of accidents or system failures.
- Performance: Different file-sharing protocols have varying performance characteristics. Some protocols may prioritize speed over reliability, increasing the risk of data loss due to network congestion or errors. It is important to choose protocols that balance performance and reliability based on the specific requirements of the NAS Huawei FusionCube 1000 devices to minimize data loss risks.
In summary, selecting the appropriate file-sharing protocols with strong security measures, access control mechanisms, data integrity checks, and backup/recovery support can significantly reduce the risks of data loss on NAS Huawei FusionCube 1000 devices.
How to take hard disks out of the NAS and connect them to a PC?
Although NAS FusionCube 1000 can be accessed over the network, you still need to take the hard disks out of the storage device and connect them to a Windows computer. Only in this case will the software be able to scan them properly. Here is what you should do:
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Turn off the storage and disconnect it from the power supply.
WARNING! Before you start taking hard disks out of your NAS device, read the manual carefully. Incorrect actions may damage your network-attached storage and/or the hard disks within the RAID system.
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Take the hard disks out of the NAS one by one, carefully removing them from their slots. Remember that the disks are extremely vulnerable: hitting or dropping them may result in serious physical damage.
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Make sure to mark each hard disk in accordance with how they were installed inside the NAS.
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Remove the hard disks and connect them to the computer. In this video, we have explored what ports are used to connect hard disks, and what to do if there are not enough ports or connectors.
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Restoring data with Hetman RAID Recovery
This program recovers data from damaged RAID arrays and is fully compatible with Huawei FusionCube 1000. The hard disks that make up the RAID contain technical information about the algorithm used to save files. When launched, Hetman RAID Recovery reads this information and puts the damaged array together. Then you can open the disk and save your files. Also, you can recover the files accidentally deleted from the network drive.
How to recover data from a Huawei
FusionCube 1000 has 12 HDD slots, and it supports the following array types:
- RAID 0;
- RAID 1;
- RAID 5;
- RAID 6;
- RAID 50;
- RAID 60;
- JBOD;
NAS supports:
- exFAT, VFAT, FAT 12 / 16 / 32;
- NTFS / ReFS;
- APFS / HFS+;
- Ext2 / 3 / 4 / ReiserFS / XFS / UFS / ZFS / Btrfs;
- VMFS / HikvisionFS;
Safe recovery from disk images
This utility lets you save an entire copy of the disk to file and then work with this image instead of the actual disk. Such feature helps to protect data on the disk from:
- Overwriting during the recovery process;
- Loss resulting from bad sectors;
- User mistakes.
To create an image, do the following:
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Make sure that you have enough free space to save the image. The image file size usually equals the disk size.
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Select the disk in the main window, and choose from the menu Tools – Save Disk. You can select multiple disks to be saved.
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When the image creation wizard starts, you can choose to save the entire disk or select only a part of it. Specify the parameters and click Next.
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At this stage, you need to choose a directory where to save the image. Choose any disk connected to this PC, or save the image by FTP.
Where are user’s files stored?
The Huawei FusionCube 1000 network-attached storage keeps OS Linux operating system files on a separate RAID 1 (mirrored) array. Usually, all NAS systems create several volumes on every hard disk, and the first of them takes up to 2 Gb of space. This is where operating system files are stored. Other volumes are united into a RAID array where user’s data is written.
Comparison of software for RAID recovery
| Product | Operating system | License type | RAID controller support | Supported file systems | Virtual RAID controller support | Data recovery from damaged RAID | File preview |
|---|---|---|---|---|---|---|---|
| Hetman RAID Recovery | Windows | Paid | Yes, over 100 controllers | FAT, NTFS, Ext2/3/4, HFS+ | Yes | Yes | Yes |
| DiskInternals RAID Recovery | Windows | Paid | Yes, over 100 controllers | FAT, NTFS, Ext2/3/4, HFS+ | No | Yes | Yes |
| R-Studio | Windows, Mac, Linux | Paid | Yes, over 200 controllers | FAT, NTFS, Ext2/3/4, HFS+ | Yes | Yes | Yes |
| UFS Explorer RAID Recovery | Windows, Mac, Linux | Paid | Yes, over 1,000 controllers | FAT, NTFS, Ext2/3/4, HFS+ | Yes | Yes | Yes |
| EaseUS Data Recovery | Windows | Paid | Yes, over 20 controllers | FAT, NTFS, Ext2/3/4, HFS+ | No | Yes | Yes |
| ReclaiMe Free RAID Recovery | Windows | Free | Yes, over 100 controllers | FAT, NTFS, Ext2/3/4, HFS+ | Yes | Yes | Yes |
Yes, data recovery from a NAS Huawei FusionCube 1000 device can be done even if the device is experiencing intermittent connectivity issues. However, the success of the data recovery process may depend on the specific nature and severity of the connectivity issues.
If the intermittent connectivity issues are related to network connectivity, it is possible to recover data by connecting the device directly to a computer or another device using a wired connection. This can bypass any network-related issues and allow for data recovery.
If the intermittent connectivity issues are related to the device itself or its internal components, it is recommended to contact Huawei support or a professional data recovery service. They will have the expertise and tools required to diagnose and resolve the connectivity issues, allowing for data recovery.
In any case, it is always important to ensure that you have a backup of your data to mitigate the risk of data loss in case of such issues.