Home » Tech » Try “DSM 7.0” with Synology NAS OS renewed, performance improvement, automatic recovery, and teleworking functions for the first time in 3 years[Initial B]–INTERNET Watch

Try “DSM 7.0” with Synology NAS OS renewed, performance improvement, automatic recovery, and teleworking functions for the first time in 3 years[Initial B]–INTERNET Watch

Synology’s NAS has evolved further with the latest version of its dedicated OS.

In “DSM 7.0”, which is said to be the largest update ever, the UI design has been redesigned, the subsystem has been completely reviewed, and the reliability and security-related functions required for NAS have been greatly enhanced. I tried to approach the ability of the latest NAS, which has improved the operation management performance in the business scene.

New Synology NAS OS “DSM 7.0”

Strengthen three basics as NASReliability, operation management, security measures

The new DSM 7.0 has the impression that it is a version in which the original ability as a NAS and the ease of operation management have been refined.

With the diversification of business scenes, NAS has also become multifunctional, and the aspect of a multi-server responsible for the back office has also come to be seen.

In this DSM 7.0, the reliability and management aspects that are the basis of the OS have been improved, and security measures have also been improved. There is.

And this update has four points: “improvement of reliability by automatic repair”, “enhancement of performance with RAID 6 and SSD cache”, “enhancement of management function and security”, and “firm management of file sharing by telework”. There is.

While the data used in the business scene is increasing and diversifying, due to changes in social conditions, there is an environment where resources such as data and documents can be used safely and comfortably regardless of location such as office or home environment. It has come to be required.

In order to respond to these changes, from the former appearance of an “in-house installed file server”, to ensure the evolution as a storage platform in a hybrid environment, the reliability, management functions, security measures, etc. that are the basis of the OS, etc. It means that the review was planned.

In other words, the improved reliability and management capabilities of the NAS give the impression that it has become a storage that can enjoy more cloud-like benefits even though it is a NAS.

Originally, in the user’s usage scene, it was a product that can be used like a cloud, such as synchronizing NAS data, but such cloud-like ease has been enhanced by DSM 7.0 from the aspect of operation management as well. There is.

Even now that remote work is becoming established, in environments such as small and medium-sized organizations and small offices, the situation of being tied to the office is constantly due to operational management problems, but it seems to be an opportunity to review this situation again. Existence.

Test the new OS “DSM 7.0” on the actual machine

Now let’s try DSM 7.0.

In this verification, we used a compact 2-bay type NAS called “DiskStation DS720 +” released by Synology and a genuine Synology HDD.

Synology’s compact 2-bay NAS “DiskStation DS720 +”


Even though it is compact, it is equipped with Celeron J4125, which is a quad-core CPU driven at 2.0 GHz (maximum 2.7 GHz), 2 GB of memory (can be expanded up to 6 GB), and two M.2s prepared inside. It is a high-performance model that can also use SSD cache with 2 SSD slots. On the back, there are also two ports of 1Gbps LAN that can be configured for link aggregation (LAG).

I used this model with two 8TB models of Synology genuine HDD “HAT5300” attached. In addition to ensuring compatibility with the DS720 +, it has a 5-year long-term warranty and supports automatic firmware updates by DSM, so you can use it with greater peace of mind.


M.2 NVMe SSD can be attached to the bottom

We used 8TB of Synology genuine HDD “HAT5300” which has high long-term warranty and maintenance without worrying about compatibility with DS720 +.

The impression of the new DSM 7.0 is that it has an increased three-dimensional effect. The shadow of the icon became deeper, and the window had a soft impression with rounded corners. It is a simple yet secure design with a good impression.

It can be said that such a good design sense is one of the best NAS vendors.

Now let’s check out the core new features.

Redesigned with three-dimensional icons and rounded windows.Changed to a design that emphasizes softness

1. 1.Improved reliability through automatic repair

First, let’s look at reliability and performance enhancements.

The “Storage Manager” used for storage management has been enhanced. It is also an advantage that intuitive management is possible, such as checking the mounting location of the drive with the graphic of the actual machine, but what I would like to pay more attention to is that the reliability is improved by the following functions. ..

New Storage Manager

These improvements free users from data loss and downtime, freeing administrators from routine monitoring and some on-site maintenance work.

Easy to replace drive

When it is detected that a problem is likely to occur in the installed drive, it can be replaced with an unused drive installed as a spare in another drive by a simple operation. At this time, instead of reconfiguring the entire array, the corresponding drive is duplicated as a spare, so that it can be replaced in a short time without downtime.

Traditional hot spares have also been enhanced. Whereas traditional hot spares were replaced when a drive failed, DSM 7.0 allows the drive to be automatically replaced with a detection of deterioration before it fails.

In other words, both users and administrators will not be unnecessarily frightened by the fear of breakdowns.

Deterioration can be repaired automatically

Responses to repairable deterioration have also been strengthened. In the past, it was necessary to check the consistency of all capacities to repair deterioration, but with DSM 7.0, repairs can be done by checking only used volumes, so it is possible to respond in a short time.

Moreover, if the model supports RAID Group, such operations can be automatically repaired without bothering the administrator. You can automatically repair or replace the drive without logging in to the management screen and operating it one by one.

Please note that the automatic repair function cannot be used if you are using the original automatic RAID management system “SHR (Synology Hybrid RAID)”.

2. Performance enhancements with RAID 6 and SSD cache

Performance as storage is also improved. Specifically, RAID 6 and SSD cache improvements have been implemented.

Significantly improved performance such as volume reuse and RAID rebuild

Space reuse schedule

Performance degradation can be prevented by setting a schedule for reusing unused space, such as deleted space, other than the time when user usage is concentrated (in the case of Btrfs).

RAID 6 performance improvements

It doesn’t matter for the 2-bay model I tried this time, but the model with more bays available has enhanced performance in RAID 6 configurations. According to the company’s tests, RAID resynchronization is 80% faster, and normal random I / O and degradation repair performance is about 70% faster (Broadwell / Purley / Grantley CPU-equipped models). Verification result).

SSD cache enhancement

By storing (pinning) Btrfs metadata in the SSD cache, you can improve the access speed and response to small files. According to the company’s verification, backup apps and snapshot creation are up to 3.8 times faster.

In addition, the performance when writing back a cache with a low hit rate to HDD has also been improved, and writing back is about 3 times faster than the conventional DSM 6.2.

3. 3.Expansion of management functions and security

Many administrators can be saved by DSM 7.0 with the above-mentioned automatic repair alone, but there are more functions that can help them.

“Active Insight” that makes it easier for administrators with centralized management

“Active Insight” that can seemly monitor the status of NAS on multiple bases and floors has become available.

Data such as storage usage rate, usage statistics for each volume, CPU and memory usage rate, temperature, throughput, etc. are collected 24 hours a day, 365 days a year at the shortest, and the status is collected for PC web browsers and smartphone apps (Active). You can check them all at once with the Insight app).

This makes it possible to grasp the usage status of NAS at remote locations and quickly check even if a problem occurs. Also, the cause of the problem can be grasped to some extent.

You can grasp the status of NAS with Active Insight.Centralized management of multiple NAS

What’s more, the event can be customized, and it is possible to set who to be notified when the threshold set by the administrator is exceeded. If you manage it as a team, or if you leave local management to a local person in charge, you can send notifications not only to the manager but also to these collaborating users as needed.

The administrator does not have to check the status of dozens of NAS every day and think about the means of contact and the other party according to the type and location of the trouble.

Protect your identity

In DSM 7.0, the identity management function, which is the basis of security, has also been enhanced.

Traditional DSM also supported multi-factor authentication, but the process and method has been improved with a dedicated “Secure SingIn” app (software token) or the generic FIDO2 (USB key, Windows Hello, Touch ID). Added support for sign-in.

By using the Secure SingIn app, you can also sign in without a password.

This makes it possible to sign in without a password. After specifying the user name on the DSM sign-in screen, simply approve the sign-in from the notification displayed on the Secure Sing In app, and the NAS screen will appear. You can now access it (multi-factor authentication can also be used with a password).

Traditional NAS was used locally from a PC in the office, so cross-border access was not expected. However, with the spread of telework, the possibility that users can use it wherever they are has increased.

In DSM 7.0, in light of this situation, it is possible to protect the NAS regardless of the boundary by firmly protecting the ID.

Improved management capabilities and permissions

In addition, you can check the history of which shared file the user accessed, output a report of the access right set in the shared folder and use it for auditing, and connect suspected unauthorized access (SMB / AFP /). FTP / SFTP / Telnet / SSH) can be forcibly disconnected from the management screen.

Alternatively, another user can open the shared file to make the file read-only and disconnect the lock file, which cannot be edited by other users.

Furthermore, since the role of the administrator can be delegated, it is also possible to leave the management of the NAS set in the base or satellite office to the site to some extent.

You can check the user’s connection status and forcibly disconnect.

Four.File sharing management in telework

The security of collaboration based on telework has also been strengthened.

With Synology’s NAS, by using a function called “Synology Drive”, folders on the NAS can be synchronized with the user’s local PC, and it can be used like so-called cloud storage.

In DSM 7.0, this management function “Synology Drive Admin Console” has been enhanced to list connected devices, list files that have been accessed frequently, and also show trends in storage usage. At the same time, it has become possible to display a chart that allows consideration of capacity expansion.

It is now possible to visualize the usage status of synchronized storage, which tends to disappear, such as remote work and bases.

The “Synology Drive Admin Console” has been revamped to make it easier to understand synchronization status and storage usage.

More convenient by linking with the original cloud service “Synology C2”

In this way, many new functions are implemented in DSM 7.0, but in addition, by using the cloud service “Synology C2” provided by the company together, NAS can be used more conveniently.

Currently, we are starting to provide services sequentially, and at the time of writing this article, “C2 Password” and “C2 Transfer” are available in Japan, but in the future, DSM 7.0 will be able to seamlessly link these services. It is possible. If you want to expand the use of NAS or build a hybrid storage environment that you can use with peace of mind, you should consider using it.

    Each service of “Synology C2”

  • C2 Password (for individuals)
    A service that allows you to securely store login information and personal information. Can be used for password management etc. for free without NAS
  • C2 Backup (for individuals / corporations)
    A service that can back up data on Windows devices and Microsoft 365.Domestic release planned for the future
  • C2 Storage (for individuals / corporations)
    Cloud storage that can be used as a backup destination for NAS.Can also be used for data sharing between bases
  • C2 Transfer (for corporations)
    A service that allows you to securely transfer files using end-to-end encryption and user authentication
  • C2 Identity (for corporations)
    A centralized directory service that allows you to manage user accounts and devices.Domestic release planned for the future

To hybrid storage that incorporates the merits of cloud storage

As mentioned above, I actually tried the new DSM 7.0, and it seems that not only the appearance but also the contents have been considerably improved.

All in all, it can be said that the ease of maintenance and manageability of cloud services can be realized with locally installed NAS. Not only is it functional and user-friendly, but it is also devised to save the trouble of operation management, giving the impression that it is one step closer to storage that can be used without being aware of it.

Since it is a complete form of evolution as a hybrid storage that uses both local and cloud, it seems that it is a good choice to consider introducing Synology NAS with the new DSM 7.0 as an opportunity.

(Cooperation: Synology Japan Co., Ltd.)


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