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SPOILER ALERT!

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Should you ask a veteran in the IT sector, what exactly is the biggest difference in between storage as well as other IT merchandise? He will certainly inform you: 'The first criterion for storage products is: Do not drop data!'
Think about that a startup firm, the accurate registration of users and content information brought by the long-term promotion and diversion of tens of millions of yuan mentioned that it's going to disappear overnight, which is tantamount to cutting the throat of the enterprise. Within the cloud era, data is the foundation of enterprise organizations. All production and advertising and marketing activities are basically about information. Every enterprise is generating data, saving data, analyzing information, and working tough to mine information. Greater value. Even though there is an issue with the computing and network gear, it truly is frequently necessary to restart it and continue to use it, which impacts the progress on the function and can only make the user feel unhappy and not fatal for the enterprise. Because the final destination of data, storage merchandise are different. It should be a part inside the bottom line. The pc space might be suspended as a result of power outages, natural disasters, and so on., but no business is willing to hear the result of 'the information can't be identified.'
How can people today not be attacked if they drift in rivers and lakes? In truth, the old rivers and lakes all realize the truth: finding a knife would be the norm, but under no circumstances shed your life! This sentence is translated into the language with the storage market, which is: storage as a complex technique composed of electronic and mechanical elements, no element is by no means failed, we will have to technically solve the element failure (challenging disk, energy provide, interface card, etc.) ) Causes any possibility of losing data.
Unlike Internet-based businesses that are struggling to monetize user information and produce worth for themselves, Huawei Storage regards improving reliability because the most important principle of item design to assist customers do away with information safety issues that companies face within the long-term improvement.
Take the Zhejiang Telecom Cloud Resource Pool project as an instance. The project began deploying Huawei Cloud Storage in December 2014, with almost 10PB capacity and hundreds of nodes. It has been operating safely and fault-free for extra than 1300 days. How does Huawei storage guarantee reliability? In the reliability of elements and nodes for the cluster and information center level, Huawei's cloud storage has performed many issues. In detail, I'm afraid that I cannot finish it for 3 days and three nights.
▲ Huawei Cloud Storage Reliability Architecture Overview
Now we'll focus on 4 points:
1
The tough drive is so precious, ways to support it do each day maintenance?
Sub-health testing, do a great 'physical examination' to stop future difficulties
As we all know, a regular tough disk can be a precision device, and slight vibration, temperature modifications, and even air pollution may cause the hard disk to malfunction. Because it is actually a complicated program, the motors and media with the difficult disk need to have excellent monitoring and management measures. Huawei FusionStorage cloud storage gives effective data challenging disk scanning function, periodically reads and scans the successful information of the difficult disk. If the scan finds poor sectors, it attempts to 'read repair' to repair the failed sector. If all redundant copies of the information are unavailable at the same time, the negative sector will likely be marked and an alarm might be generated to prompt the program to carry out information repair in the application layer to produce an access error. pen drive deleted data recovery software can also recognize regardless of whether the challenging disk is in sub-health state by monitoring the challenging disk indicators and IO processing capabilities, and automatically rebuild the sub-healthy challenging disk right after information reconstruction and take away the cluster.
two
The data written for the disc is incorrect, the way to resolve it?
DIF information integrity check, appropriate errors in time,
Let the saved data 'do not shed shape'
Within the process of data processing, after various elements, a number of transmission channels and complicated application processing, any certainly one of them may well cause information errors. If this type of error can't be detected right away, it's discovered that the data has been erroneous during the subsequent access towards the data. This phenomenon is called SilentDataCorruption. Due to the fact silent information destruction cannot be detected in genuine time, it is actually tough to recover damaged data, or even irrecoverable.
You will discover a lot of motives for silent data corruption, mostly within the following categories:
● Hardware failure: memory, CPU, challenging disk, FC or SAS hyperlink, and so on.
● Firmware error: HBA, tough disk, etc.
● Application bug: product computer software, operating technique, application program, and so on.
Huawei FusionStorage cloud storage is based on the process offered by the ANSIT10PI (ProtectionInformation) normal to confirm data integrity throughout access for the storage system. You can find numerous PI checkpoints inside the program to verify the integrity from the information around the IO path and appropriate errors in true time for you to make certain that the information written is not going to go wrong.
three
What really should I do in the event the really hard disk strikes?
Speedy reconstruction, permitting information challenges to heal rapidly
There is certainly a classic saying in the film 'Kung Fu': 'The martial arts on the planet, only break quick.' When the tough drive actually strikes, the only factor we are able to do is restore the information as soon as possible. Huawei's FusionStorage cloud storage utilizes distributed block-dispersion technologies according to underlying block-level virtualization to overcome the overall performance bottleneck with the standard RAID reconstruction target disk (hot spare disk), so that the create bandwidth of reconstructed data no longer becomes the bottleneck of reconstruction speed. It only takes 15 minutes to restore 1TB of information, minimizing the danger of data loss.
▲ Rapid recovery of single-disk failure information: parallel reconstruction of multiple nodes and multiple tough disks
4
Who can assure uninterrupted company systems?
FusionStorage true active-active, system-level double insurance coverage
Look at a worst case scenario where the entire data center ceases operations as a result of force majeure aspects for example earthquakes and fires, plus the data can't be retrieved. What should really I do? At this time, the storage supplies the active-active function, just just like the highest degree of insurance coverage for the upper-layer business, all data is saved in genuine time in duplicate, and also you are no longer afraid of information loss. However, it appears that the information is stored in two copies, but when you are confused about AA, AP, and cluster extension, you might drop cash. RPO = 0, RTO≈0 ca n’t do it, they are all gangsters.
The true HyperMetro of Huawei FusionStorage, other vendors seriously usually do not.
Doing storage is often a meticulous job. From a disk to the all round program architecture, client information need to be regarded everywhere to supply higher reliability. FusionStorage can do it.
Austrian KWG Hospital
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Secure operation for 400 days
Zhejiang Telecom
Use Huawei Cloud Storage to Stabilize the Key Information Base of 'One Cloud'
Stable operation for 1300 days
Huawei mobile application cloud EMUI
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1670 days on the net
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1300 days of zero-failure operation