• How can I troubleshoot iSCSI storage performance issues?

    When you encounter an issue with iSCSI storage performance, we encourage you to perform the basic troubleshooting actions first before contacting Synology Support. If the issue still remains, please contact our support team. The following actions will help you identify the root cause and accelerate the whole troubleshooting process. To troubleshoot a low throughput:…


  • How do I install Synology NFS VAAI Plug-in on an ESXi host?

    To enable VMware VAAI on your NFS datastores, you need to install Synology NFS VAAI Plug-in on each ESXi host. NFS VAAI Plug-in can be directly installed on an ESXi server via the command line or the VMware Update Manager (VUM). To install via the command line: Download the…


  • How to Set Up VMware vMotion on Synology NAS

    Overview vMotion is one of the VMware vSphere functionality that moves running virtual machines from one physical server to another with no impact to end users and keeps your business running without any interruption. To deploy virtualization environment with vMotion capability,…


  • How to Use Port Binding to Configure Multipathing on VMware for Synology NAS

    Overview Network quality of an iSCSI storage is crucial in deploying a VMware environment. To ensure the stability and performance of your Synology iSCSI storage, it is recommended that you use two or more dedicated physical network interfaces for the iSCSI traffic between your VM…


  • How to Use iSCSI Targets on VMware ESXi Server with Multipath Support

    Overview Failover and load balancing configuration is crucial when deploying virtual storage solution in your IT environment to achieve optimal resource utilization, maximize throughput, minimize response time, and avoid overload. By using multipath iSCSI connection, you may deliv…


  • How to Use iSCSI Targets on Windows Computers with Multipath I/O

    Overview Failover and load balancing configuration is crucial when deploying virtual storage solution in your IT environment to achieve optimal resource utilization, maximize throughput, minimize response time, and avoid overload. By using Multipath I/O (MPIO) on iSCSI connection…


  • How to load VirtIO storage driver for Windows Setup on Virtual Machine Manager

    Overview During the process of installing Windows on a virtual machine, a storage driver will be required. This tutorial will guide you through how to load the VirtIO SCSI driver (Guest Tool for Virtual Machine Manager) to resolve the problem where no drives can be found in the process of Windows setup. <…


  • How to set up Synology NAS as VMware server datastore

    Overview A datastore is an independent storage space for centralizing virtual machine's physical data. By using Synology NAS as the VMware datastore, you can consolidate and share storage space to maximize storage utilization and simplify management with better flex…


  • How to set up VMware iSCSI CHAP on Synology NAS

    Overview Synology NAS supports Challenge-Handshake Authentication Protocol (CHAP) on iSCSI and authenticates a user or network host to an authenticating entity. By using CHAP against the iSCSI connection between Synology NAS and VMware ESXi servers, you are able to create…


  • How to set up an iSCSI LUN with thin provisioning on my Synology NAS

    Overview Thin provisioning is the act of using virtualization technology to provide storage on-demand-allocation and over-subscription capability to maximize storage utilization. On-demand allocation of blocks of data versus the traditional method of allocating all the blocks up…


  • How to set up and use iSCSI target on Linux

    Overview The business-level Synology NAS servers is able to provide iSCSI service, which means by using the iSCSI Target Service, a Synology NAS seamlessly acts as dedicated storage server to provide iSCSI Target storage, which will be seen virtually as a local hard drive for as many c…


  • How to use iSCSI Targets on Citrix XenServer

    Overview The business-level Synology NAS servers are Citrix certified, which means by using the iSCSI Target Service, a Synology NAS seamlessly acts as dedicated storage server to provide iSCSI Target storage for your Citrix environment, which will be seen virtually as a local hard dri…


  • How to use iSCSI Targets on Mac computers

    Overview SAN (Storage Area Network) is an effective solution for enterprises to overcome the challenges of dealing with more complex projects, especially with increasingly larger file sizes in recent years. Due to the fact that the entry-costs of SAN is considerably higher compared to the majority of networking storage protocols, small business industries are tending towards iSC…


  • How to use iSCSI Targets on Windows computers with Multiple Connections per Session (MC/S) support

    Overview Failover and load balancing configuration is crucial when deploying virtual storage solution in your IT environment to achieve optimal resource utilization, to maximize throughput, to minimize response time, and to avoid overload. By using Multiple Connection per Se…


  • How to use iSCSI Targets on a Windows Server

    Overview The business-level Synology NAS servers are Microsoft® Windows certified, which means by using the iSCSI Target Service, a Synology NAS seamlessly acts as dedicated storage server to provide iSCSI Target storage for your Hyper-V environment, which will be seen virt…


  • How to use the iSCSI Target service on Synology NAS

    Overview iSCSI is a protocol to facilitate SCSI-based storage commands to be sent over ubiquitous network structures, such as a LAN or VPN. Using the iSCSI Target service provides an illusion that a hard drive is locally attached to a computer, and will be managed by a loc…


  • Why do I need two network interfaces for Virtual Machine Manager?

    The network architecture of Virtual Machine Manager is designed for a cluster infrastructure inherited from its predecessor, Virtual DSM Manager. This design allows multiple Synology NAS to host, manage and migrate virtual machines using the cluster network. Why do I need to configure two network interfaces for Virtual Machine Manager? First, you need a dedicate…