Qnap’ın Veri Koruma Özelliği

I – Protect Your Datas With RAID

II – Qnap Enhanced read-only protection

III – Qnap System Migration Feature;

IV – Qnap Advance Backup Features;

V – How to Draw Data Loose Chance Minimum with Qnap;

I work as an Qnap technician, and I Proudly can say that I never let costumers loose any data, even Human Failed cases, so I can easly say that you cant loose data with Qnap.

Qnap supports awesome features to protect your datas;

 

I – Protect Your Datas With RAID Against Disk Failures

• RAID 1 (Disk Mirroring): allows one disk failure
  
  RAID 1 duplicates the data between two hard drives to provide disk mirroring. If you install four hard drives in the Turbo NAS and format each pair of hard drives as “RAID 1”, the capacity of each RAID 1 volume is 1TB (500GB + 500GB). The total storage capacity of the NAS is 2TB.

• RAID 5 (Disk Striping with parity): allows one disk failure
  
  The data are striped across all the hard drives in a RAID 5 array. The parity information is distributed and stored across each hard drive. A minimum of three hard drives is required. If you install four hard drives in the Turbo NAS and format the drives as “RAID 5”, the total capacity of the volume is 500GB x (4-1) = 1.5TB.

• RAID 6 (Disk Striping with 2 parities): allows two disk failure
  
  The data are striped across all the hard drives in a RAID 6 array. RAID 6 differs from RAID 5 that a second set of parity information is stored across the member drives in the array. The total capacity of RAID 6 disk volume is equal to the size of the smallest disk in the array x (no. of hard disks-2). RAID 6 tolerates failure of two hard drives at the same time. If you install four hard drives in the Turbo NAS and format the drives as “RAID 6”, the total capacity of the volume is 500GB x (4-2) = 1TB.

• RAID 10 (Disk Mirroring and Striping): allows one disk failure from each RAID 1 pair
  
  RAID 10 combines four or more disks in a way that protects data against loss of non-adjacent disks. It provides security by mirroring all the data on a secondary set of disks while using striping across each set of disks to speed up data transfers. If you install four hard drives in the Turbo NAS and format the drives as “RAID 10”, the total capacity of the volume is 1TB (500GB+ 500GB).

 

II – Enhanced Read-only Protection

What If I loose 2 HDD on RAID 5 or Loose 3 HDDs on RAID 6, is that mean I loose data?

Nope, Qnap advance read-only data protectio doesnt let you loose your datas;

 

III – Qnap System Migration Feature;

What If my NAS device failed/ get broken, or accidently give bad damage or burned, is that mean that I lose data?

Nope, till your HDDs are allright, you can plug HDDs to another Qnap, and all of your datas with configration comes back. This is called system Migration

System migration allows existing QNAP NAS users to upgrade the NAS to another new QNAP NAS model without the need to transfer the data or reconfigure the system. You only need to install the original hard disk drives on the new NAS following its original hard drive order and restart the NAS.

Due to different hardware design, the NAS will automatically check if a firmware update is required before system migration. After the migration has finished, all the settings and data will be kept and applied to the new NAS. However, the system settings of the source NAS cannot be imported to the destination NAS via “System Administration” > “Backup/Restore Settings”. Configure the NAS again if the settings were lost.

The following table shows the NAS models which support system migration.

Follow the steps below to perform system migration.

Some system settings will be removed after system migration due to different system design. Configure the following settings again on the new NAS : Windows AD / Some QPKGs need to be resintalled (e.g. XDove)

IV – Qnap Advance Backup Features;

Remote Replication : Backup all of your datas to another Qnap agains Disaster Recovery

External Drive Backup : Backup your datas to external drives

Cloud Backup : Backup your datas with Cloud Computing

V – How to Draw Data Loose Chance Minimum with Qnap;

I Highly Advice you to these thing to draw Loosing data potantial or System Stop

+If you have only one NAS (not only Qnap, any Network Storage Device) dont use at the center ot your system. For Qnap, as I said I never let a costumer loose data, but when system stops because of an error, It may cost a few hours or days to fix that problem.

+Even If you pay 1 million dollar cost Backup device (not only Qnap) , always work with double backup. One of my costumer told me data recovery story about a serious goverment project. They Have 2 location with 2 backup solution (this backup solution is not Qnap), and these 2 devices replicate datas on each other. One day an engineer press “Reset device” button and delete whole data on storage, and because of replication, all datas on other device are deleted too.

Qnap is really great for that kind of needs with its Remote Replication, Realtime Remote Replication, Cloud Backup solutions and External HDD backup Features. Also Qnap replication an option “delete datas on other device” option, and if you dont activate this, loosing data is nearly impossable.

+I strongly advice you to Buy 2 Qnap and replicate each other. You’ll realize when recovering a disaster and see its worth every penny on spending money to Qnap Backup solutions and wont regret for spending money on this. I’m not telling this because of working on Qnap technical support side, trust my words. When one of the NAS failed, just go with another one till broken one fixed.

+Open Network recycle Bin option for possable human mistake accidently deleted files.

+At sudden power cuts, sometimes HDDs on Qnap can be damaged. I strongly advice to Use compatable UPS device with Qnap Device.

III – Qnap’ta veri kaybı yaşamamanız için tavsiyelerim;

Şuanda kadar gurula söyleyebilirimki 1,5 senedir başlangıçtaki 5-6 ayı saymazsam, hiçbir müşterimizde veri kaybı yaşatmadım. Bu konuda müşteri memnuniyetimizde oldukça üst seviyede.

Aşağıdaki Tavsiyelerimi uyguladığınız taktirde bu adımları uygulamanıza gerek kalmayacaktır;

1 – Herzaman yedeğin yedeğini alarak çalışın. Evet, çok şükür veri kaybı yaşatmıyoruz Qnap cihazlarında, yanlız bu verileri veya sistemi geri getirene kadar geçen sürede hem kullanıcılar strese giriyorlar, hemde vakit alabildiği için kullanıcıların tüm sistemleri durabiliyor.

Dahaönce veri kurtarma firmasında çalışmış ve cihazını ayağa kaldırmak için ofisimizi ziyaret eden bir kullanıcı anlatmıştı. iyi bir devlet kurumu, çok sağlam bir backuplama ünitesi ile çalışıyor. yazılan tüm veri bir lokasyondan anında öbür lokasyona transfer olur. Birgün bir stajiyer “bu tuş neye yarıyor” diyerek tüm cihazdaki verileri siliyor, ve senkronize çalışan cihaz, diğer lokasyondaki bilgileride tamamen siliyor.

Birinci kural : 1 milyon dolarlık x marka veri depolama cihazıda satın alsanız, herzaman yedeğin bir yedeğini daha alarak çalışın!..

2 – Qnap mükemmel bir veri depolama cihazı. Bunu tüm müşterilerimize söylüyorum, ürün satmak için değil, fakat ikinci bir Qnap alarak yedeğin yedeği çalışırsanız, birinci Qnap arızalanda bile anında ikinci Qnap’ı devreye sokup sisteminizin durmasını engelleyebilirsiniz.

Eğer bunu yapamıyorsanız enazından harici disk yedekleme özelliğini kullanın mutlaka Qnap’ın.

Genelde bilgi işlemcilerde butür cihazla gereksiz harcama gibi göründüğü için fazla bütçe ayrılmıyor, fakat unutmayın, BU CİHAZ DURURSA VEYA VERİ KAYBEDERSENİZ, SİSTEMİ GERİ GETİRENE KADAR GEÇEN SÜREDE KAYBEDECEĞİNİZ PARA DAHA FAZLA OLABİLİR. BU ALANDA YATIRIM YAPMAYI İKİNCİ PLANA ASLA ATMAMANIZ TAVSİYE EDERİM.