Synology DS1621xs Virtual Machine Manager s White Paper

Synology DS1621xs Manual

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  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 1
     White Paper Virtualization on Synology NAS with Virtual Machine Manager 1
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 2
    Synology Support through the web form, email, or telephone. Table of Contents Introduction 01 Why Use Synology for Virtualization? 03 Deployment Scenarios 05 Efficiently Run Multiple Services Protect Your Host From External Threats Virtualize DSM Services and Run Many Synology NAS
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    infrastructure. Services hosted on VMs also take a heavier toll on hardware, leading to a significant performance penalty for certain operations. Synology VMM takes away much of the complexity of setting up virtualization with superior hardware and software integration. Synology NAS servers combine
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 4
    Users can reduce hits to performance and capacity problems with realistic planning and good preparation. This paper helps users choose the right applications and hardware setups to avoid applications that incur outsize performance penalties,
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    and come with long-term support. + Highly efficient method to combine Synology and third-party solutions • Virtualized services can run alongside regular Synology NAS applications and storage processes, as well as on Synology High Availability clusters. • Virtual DSM allows the creation of many
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    from installing Synology-supported memory extensions and SSD cache. - Hypervisor competes with other applications on mixed-use platform • VMM runs on top of DSM, leading to higher resource use and slower performance compared with bare-metal hypervisors. • If your Synology NAS servers are used
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    your Synology NAS creates an isolated instance of any desired operating system that has no direct access to physical server hardware. This includes Virtual DSM (vDSM), the version of Synology's award-winning operating system designed to run as a virtual machine within VMM. Running high-risk services
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    creates multiple virtual Synology NAS. Combine DSM With Linux and Windows Services Among the primary benefits of using Synology VMM is the ability to combine Synology packages running on your Synology NAS' native DSM and Virtual DSM with services that require Linux and Windows servers in a highly
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    passive host to get services running as fast as possible. Synology High Availability allows a complete Synology NAS to failover to another device. However, a passive device must be running at all times and cannot be used independently. VMM High Availability requires a compatible hardware setup that
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    can also be multiplied to offer identical services for multiple clients, user groups, or departments. Synology NAS users can leverage their devices' hardware Services originally created in VMs can be migrated to new systems more easily in the future, lowering the cost of change. Synology VMM supports
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    compatible Synology NAS can always be found on the VMM package page. This tells you whether your device can run VMM. Compatible file system In addition to the right model number, your prospective host server Synology NAS models. Exact numbers of recommended guests per host can be found in Support
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    Processor compatibility c. Storage nodes d. Cluster networks e. Cluster network communications f. High-availability clusters 1. Selecting and Importing Operating System Images Synology VMM supports a range of popular operating systems for desktop and server use. These currently include Virtual DSM
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    DSM Hyper Backup Account Explorer Data Figure 4: In this example, four CPU threads on two physical CPU cores are reserved for one Ubuntu Linux VM, while Synology running essential services, ensuring they can use the full capacity of one or more CPU threads. Higher-spec Synology NAS models, Guide
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 14
    supported DDR3 and DDR4 memory modules for Synology NAS in use in your DSM Resource Monitor. In cache. That means it is available for applications, or you could reassign RAM to other VMs. Upgrading system memory A full list of compatible RAM modules for Synology NAS can be found on our compatibility
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    adapters offer an effective way to expand cache memory. Full updated lists of supported SSD modules for each interface are available on our compatibility pages. Consult our Support Center to find out which Synology NAS models support adding SSD cache and using which protocol. Virtual disk interfaces
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    cluster. Virtual switches Each instance of VMM creates at least one virtual switch (vSwitch) on its host Synology NAS called "Default VM Network" and connected to all active physical LAN ports. You can edit this switch LAN access are assigned like other IP addresses by your 14 Configuration Guide
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    Creating a Virtual DSM instance allows you to manually configure an IP compatibility. VirtIO supports faster connections and is recommended, but requires separate installation on Microsoft Windows VMs using the Synology (SSH). Access via Synology VMM As long as your Synology NAS is online, you Guide
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    DSM user interface. For more information on API requests and syntax, see the Synology VMM API Guide Synology NAS with very similar capabilities should be configured as computing nodes. Less demanding services Support Center. b. Processor compatibility Different CPUs come with different instruction
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    storage nodes, compatible SSD cache can be utilized to significantly enhance read/ write performance. Random writes, especially, can benefit from a memory buffer. Using all-SSD Synology NAS for storage nodes is highly recommended to speed up I/O-intensive applications. An IOPS performance comparison
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    list of compatible and available Synology NAS x 2 Synology NAS x 3 Dedicated passive server Failover host(s) with sufficient capacity Physical heartbeat network Fast enough shared network Identical devices and configuration Identical CPUs on two nodes Incompatible DSM packages removed DSM
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    server and physical heartbeat connection, VMM High Availability only reserves specific system resources, uses a regular LAN connection, and can work with different models or differently configured Synology NAS replication plan can be created with three Synology NAS. In this example, two devices both
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 22
    network configuration, and advanced security features - all on four Synology NAS. Four RS3617xs+ were set up as a cluster. Two were configured both as MailPlus servers and as VMM computing nodes, with RAM expansions to 64GB in addition to SSD cache. The other two were configured as VMM storage nodes
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 23
    all devices serving as computing, storage, and backup nodes. A Synology VMM cluster provides the uptime, flexibility, and protection options that dynamic services need. A Virtual DSM machine over 2 TB in size (and growing) hosts Synology Chat Server. It runs alongside other VMs on three powerful FS
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    one computing node to be taken offline for maintenance without losing redundancy. A very different, lean setup was chosen to run webservices for the Synology website. Three FS series compute nodes in an all-flash configuration each fulfil both computing and storage roles for various VMs. The minimum
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    operations on the all-flash Synology FS3017 and the DS1817+, which has slower I/O performance. We also tested an operation less affected by CPU Compatibility Mode. The AES-256 cryptography FS3017. The penalty is more pronounced on the higher-spec model with more hardware support for encryption. 23
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    this case with a compilation speed comparison. Virtual machines on two Synology NAS were used to compile the Virtual Machine Manager software package. The results show only a slight decrease in compile performance when CPU Compatibility Mode is enabled. They also show a large difference between
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 27
    show a relatively small effect on the maximum number of random 4KB IOPS, but a clear difference when transmitting larger files, where the nominal transmission 1G Ethernet is reached. Remote storage performance (4KB block random IOPS) DS1817+ 10 Gigabit 1 Gigabit Read 4723.34 4598.06 Write
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    on data throughput volume, whether write or read. However, a large improvement can be seen in processing speed for small random IOPS, and adding SSD cache gives an outsize boost to random write performance, as long as there is enough space left for the write buffer. (At high data volumes or
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 29
    ecosystem on the same hardware platform. Run any of the services available in Synology's award-winning DSM operating system alongside virtual machines, or create multiple virtual Synology NAS with Virtual DSM to accommodate different services or users. Virtual Machine Manager makes it easy to set
  • Synology DS1621xs | Virtual Machine Manager s White Paper - Page 30
    specifications and product descriptions at any time, without notice. Copyright © 2020 Synology Inc. All rights reserved. ® Synology and other names of Synology Products are proprietary marks or registered trademarks of Synology Inc. Other products and company names mentioned herein are trademarks of
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Virtualization on
Synology NAS with
Virtual Machine Manager
White Paper