Synology DX517 5 Bay Desktop Network Attached Storage Expansion Enclosure, Black

Product Information

the number of connections that can be maintained when the recommended number of hosted files was reached) Create and edit documents, spreadsheets, and slides together with your whole team in real time. Easily migrate existing documents from other platforms and take ownership of your files in a secure private cloud. Learn more The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).

SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV Performance figures are obtained through SMB sequential throughput tests using Windows Server 2016 Datacenter on aSynology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability. Anyway, i want to strictly separate the hdd's / storage from the expansion unit from the storage of the NAS to prevent data loss caused by NAS or DX failure. For example if the NAS or DX Powersupply fails or one of them just stops working, the RAID will be damaged, because suddenly several disks disappear at the same time. This is why i want to separate them. Unfortunately, it is not clear to me how to set it up the right way. I am not sure, if i have to create a separate storage pool with its own volume(s) for the new disks in the expansion unit, or if it will be enought to simply add the disks to the existing storage pool and create a new volume within this storage pool? I think the second option (adding drives to existing pool and creating a new volume in there) will distribute the data from volume 1 and 2 which are in the same storage pool, across all HDD's (These in the NAS and DX517) and will not separate them physically on the Harddrives, right? Synology SNV3400 series M.2 NVMe SSD drives can be installed through the built-in M.2 slots to enable SSD caching or create SSD storage pools. Drives are sold separately. Supports up to 75 IP cameras on a single Synology server with Synology Surveillance Station. Up to 10,000 cameras can be managed per deployment by adding together recording servers with Surveillance Station CMS. Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses. Learn more.

Performance figures are obtained from testing conducted with the device fully populated with drives under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads. I currently have all of my media on volume1. I’ve heard/read that trying to span volume1 across the DS918+ and DX517 is a recipe for disaster, so if I get a DX517 expansion unit would I be able to put new media on volume2 and have Plex/Sonarr/Radarr play nice with the new storage pool? Creating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I/O-intensive environments. ( Learn more) Performance figures obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See performance charts for more information.The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations. SSD cache can be enabled by using 2.5" SATA SSD drives in standard drive bays or without occupying drive bays by installing Synology SNV3400 Series M.2 NVMe SSD drives through the built-in M.2 slots. SNV3400 Series M.2 NVMe SSD drives can also be used to create SSD storage pools. Drives are sold separately.

Managed from DiskStation Manager on the host NAS, the additional bays in the DX517 are immediately ready to be used once connected. On-the-fly volume expansion ensures that storage and services on the host are not interrupted during volume expansion. Hot-swappable drive tray design Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications. Figure 3. Synology DS918+ NAS (left) and DX517 expansion unit. The DX517 attaches to the DS918+ via an eSATA cable. I have a DS918+ with 4x8TB WD White drives in a SHR1 array that is running out of space. I’m not looking for opinions about the efficacy of SHR1 vs SHR2 vs the various RAID arrays. My question is specific to Plex as I use my NAS primarily as a Plex media storage device.

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In two year's time, the format distribution of my video collection had changed to 44% DVDs, 51% Blu-rays, and 5% 4K Blu-rays. This redistribution was due largely to replacing DVD titles with their Blu-ray versions and replacing Blu-ray titles with their 4K Blu-ray versions, rather than acquisitions of new releases. Over the past two years, many of my favorite DVD titles have been re-released in Blu-ray format with high quality remastering and some of my favorite Blu-ray titles have been re-released in 4K format. In two years time, the NAS's 45% storage vacancy had dwindled to 19%. I thought it would be wise to proactively increase storage space. My first thought was to replace the DS918+ with a Synology eight-bay DS1819+ equipped with 10 TB Western Digital Red drives. Figure 5. I am still fascinated by the fact that my entire video collection can fit in a little box, and that all content is streamable to any computing device in my home. PCIe add-in cards, expansion units, and storage drives are sold separately. Refer to the compatibility list for compatible devices.Performance figures are based on the average percentage improvement of DS920+ relative to its predecessor, as tested at Synology labs. Responsiveness improvement measured by Web PHP response efficiency and compute performance improvement measured using file indexing in Synology Drive and photo indexing in Synology Moments. Performance gains may vary depending on the environment, type of usage, and configuration. Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. The storage space on my Synology NAS (DS1520+) is running out. That's why I bought an expansion unit (DX517). Now I saw your video on youtube called "Understanding the Pros and Cons of the Synology DX517 Expansion - Part I". Unfortunately, part II and III have not been released yet. (Hope they will in future). I am sure that you may would have answered my question in video part 2 or 3.