Import risk analysis metrics

List of contents of this article:

• 1,Import risk analysis metrics Synhui shr allows several disks to break
• Sunhui shr adds hard disk expansion and downgrade
• 3, What format should Synology NAS initialize into, 2X3T disk
• 4, What is the system of Sunhui ds220j

Sunhui shr allows several disks to be broken< /H2>

1. OK. RAID1 is a mirror fault tolerance method that requires at least two hard disks, and the data will be written to two hard disks at the same time. Even if one of the hard disks fails, the other hard disk can continue to be used.In the synody system, RAID1 can use two hard disks of different sizes, but the final capacity will be limited by the capacity of smaller hard disks.

2. You can break a hard disk at will. Advantages of Raid5: data security and cost balance, which is the first choice for 4-disk NAS players; Disadvantages of Raid5: there is only one hard fault tolerance, and when the hard disk is broken, one should be replaced in time.

3. Synhr is a type of disk array that allows users to combine multiple hard disks into a storage pool to provide higher storage capacity and performance. In Synory shr, the hard disk can be added or removed without affecting the integrity of the storage pool.

4. RAID10 can break 1 hard disk. RAID10 is an array composed of at least 4 hard disks, which divides the data into two groups for mirroring backup.When one of the hard disks is damaged, the mirror image in the other group can still provide data. Another disk failure occurred at the same time, and the entire RAID10 system could not be restored, resulting in data loss.

Senhy shr adds hard disk expansion and downgrade

1, according to the number of hard disks installed. The synology shr storage pool will optimize the storage capacity according to the number and size of the installed hard disks. Therefore, please follow the instructions below to expand the capacity correctly: if the existing hard disks have the same capacity, you must use a larger capacity hard disk.

2. Yes. When the hard disk has physical damage, read and write errors or logical errors, it will lead to the downgrade of the disk array in the Synhui system. The failure of the hard disk is caused by hardware aging, voltage problems, mechanical failure and other reasons.

3. If there is important data in your NAS, it is recommended to find the faulty hard disk, back up the data in advance and replace the hard disk to prevent data loss after the hard disk is completely damaged. After replacing the hard disk, return to the storage pool page, find the downgraded hard disk, and select repair in the menu to solve the problem.

Synology NAS initialization format should be formatted, 2X3T disk

EXT4 format is inconvenient to read under WINDOWS, but EXT4 format can be read under LINUX system, so the data can still be read, only It's just a little troublesome. According to my experience, it is not recommended to use software RAID such as SHR.

In fact, the format of Qunhui is EXT4. SHR is just a kind of software RAID made by Syunhy itself on the basis of EXT4. THE EXT4 FORMAT IS NOT CONVENIENT TO READ UNDER WINDOWS. BUT THE EXT4 FORMAT CAN BE READ UNDER THE LINUX SYSTEM. So the data can still be read, but it's a little troublesome.

solidIt is recommended to format the state drive as an NTFS file system for the following reasons: the main feature of solid-state drives is the fast read and write speed, so it is often used to install the operating system.

You can try it in the following ways: first, it can be formatted directly under Windows. If it can't be read directly installed on the computer, try the external USB method to see if it can be implemented one by one. It should be noted that when the computer hard disk is installed, it becomes a brand-new disk, which needs to be initialized.

What is the system of Synology ds220j

1. Synology DS220 Plus is a popular NAS with 2 disks. I believe that many people have bought this entry-level machine.It adopts Intel J4025 processor, configures 2GB DDR4 memory, can be upgraded to 6GB, and provides 2 USB 3 dots 0 interfaces and 2 RJ45 interfaces. The small body design is deeply loved by the public.

2. XP is OK. You have an advanced setting in the middle of the Synhui web interface, control panel, file service, and middle. Adjust the minimum protocol of smb to smb1 and the maximum smb3, and the application is ok. XP is a computer operating system developed by Microsoft, which was officially released on October 25, 2001.

3. If you want a simple and easy-to-use operating system, you can consider Senhui DS220+, and if you have requirements for cost-effectiveness, consider QNAP TS-453Dmini. In comparison, the advantages of SenyiThe point is that the operating system is relatively simple and easy to use. The disadvantage is that the price is relatively expensive and the configuration is not sincere enough.

4. Year July. According to Amazon China, the Senhui 220+ was officially released in July 2020. Synoy ds220+ is a value-added suite equipped with advanced functions such as file management and backup, so that small and medium-sized enterprises can deploy professional IT services economically and efficiently.

5. Synology DS212J is a well-rated NAS (network additional storage) device with good workmanship and built-in system. Therefore, for those who need to use NAS devices, Synology DS212J can be considered as an alternative. However, before finally deciding whether to buy or not, you also need to consider your actual needs and budget.

6. Snon DS723+ is equipped with AMDRyzenR1600 processor, dual-core four-thread; Sonoy DS220+ is equipped with dual-core 0GHz processor. The network ports are different. Sonmy DS723+ has two gigabit network ports; Sony DS220+ has two 1GbELAN network ports. The interface is different.