R. The Btrfs filesystem supports read-only and writable snapshots of the file. 49-17. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. . • Back up your Synology NAS: Hyper Backup offers a wide range of destinations for backups of your NAS, including on-premises and cloud. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. 03. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. In addition, to support this idea: Snapshot replication is btrfs send and btrfs receive. The snapshot exists in the real root of the filesystem, which is not what you have mounted in /. Click OK to finish. /install. When an SMB client issues a request to copy duplicate data (via FSCTL_SRV_COPYCHUNK), this module maps the request to a Btrfs clone range IOCTL, instead of performing reads and writes required by a traditional copy. Figure 3: Define the number of hourly, daily, weekly, monthly and yearly snapshot to keep in the system Synology Snapshot Replication will retain as many as the configured maximum number of snapshots for each time range. HD-series. S. However, each shared. In the BTRFS mode, snapshots are taken using the BTRFS file system. 1, enter smb credentials and then select your Shared folder. Freeing up volume space by deleting snapshots. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. The copy app is if you regularly load/unload photos or anything else transient so it. Data deduplication can only run when the volume status is Healthy. Unfortunately, while the main mount /volume1 is btrfs, and docker supports btrfs as a storage driver, it. For each shared folder, edit its settings and change the volume from the ext4 volume to the new btrfs volume. Is Btrfs. We begun testing BTRFS based "Snapshot and Replication" application rather than our own way of doing things. 1. Select the ext4 volume you want to remove. ago. However, you can enable Pin all. I have worked out the following command to get the creation time of the snapshots. If a normal btrfs-progs v4. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Data integrity is better, based on checksum technology; Somewhat better disaster management-BTRFS:For DSM 7. This will copy whole shares (and snapshots) to another disk as a whole instead of copying microscopic files. 51 dB(A); Temperature: 24. Follow the steps in 6 to 8 of Replicate snapshot to a remote Synology NAS over the network. Removed volume. Snapshot: With the help of Btrfs file system features, instant snapshots and replication are available. So it must work. Go to the Volume page. Click Snapshot > Snapshot List. g. Background noise: 16. "Btrfs has greater I/O latency. Ext4 for Synology NAS devices, most users should pick Btrfs for the data integrity benefits that it provides. Btrfs: Next Generation Storage Efficiency FS6400 introduces the Btrfs file system, bringing the most advanced storage technologies to meet the management needs of modern businesses: • Advanced snapshot technology provides schedulable, near-instantaneous data protection of shared folders and iSCSI LUNs. Environment. 2. A minimum of 4 drives is required. several hours after HyperBackup session was ended , sudo btrfs sub list -td /volume1 showed 126 snapshots in 'deleted' state (almost no extra disk space was used). For we works great for File Server (SMB mostly). Without earlier snapshots, blocks might only be deleted after compression, but if snapshots hold blocks they will be preserved and their compressed data will be. Du kan gennemse og gendanne snapshots med Snapshot Replication, File Station, Windows filhåndtering eller andre filprotokoller. Sign in to the source and destination servers with an administrator account. A place to answer all your Synology questions. Added new btrfs volume. . Unless you're in the directory where the snapshot resides, then you can just specify the snapshot name. On the destination server, go to Snapshot Replication > Replication > Shared. Tried running VM manager. Nice video and a much-deserved push for BTRFS. With Btrfs you get self healing, snapshots, copy on write, background file system checks, online defragmentation, and much more. We are assuming it is /dev/sda1. - you cannot use the BTRFS snapshot folder (a cool feature of Synology BTRFS options) while the encrypted share is mounted; thus you cannot easily browse files of prior snapshots, and therefore much of the convenience of snapshots is reduced, forcing you to unmount an encrypted share before accessing any snapshots Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Your data is in safe hands. This is a great solution to quick backups that uses the btrfs and is a win. n neneonline @neneonline* Aug 29, 2017 Hi. Click Snapshot > Snapshot List. You can go to Active backup for business => File server => Add server. jessfraz added the area/storage/btrfs label. Written Instructions: Subscribe for more tech related tutor. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. If it still doesn't work after waiting for a while, you can try to delete the Synology snapshots directly. Go to Snapshot Replication > Snapshots. • Scale up to 8 drives with Synology Expansion Unit RX4183 • One PCIe 3. That's an example of a fast mechanism for a ransomware, using the drive to make the data inaccessible instantly. Sorting is probably enough to guarantee that snapshots or subvolumes which depend on previous ones are handled first. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Data deduplication is only supported on Synology SSDs and specific Synology NAS models ; The Btrfs file system is available on specific Synology NAS models only ; A storage pool must be comprised of drives of the same type. Snapshots are not something you transfer to other machine. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Note: You can press and hold Ctrl or Shift to select multiple items. A minimum of 4 drives is required. Hyper Backup looks after all your local, remote, Rsync, cloud and iSCSI LUN backups from a single console and integrates neatly with Synology’s optional C2 Backup cloud service. ; Click Create and launch the Create Replication Task wizard. First create a volume using BTRFS, this is the new default, so you may have to create some space on drives and then create it. Snapshot Replication leverages the modern Btrfs file system to create point-in-time copies of shared folders and LUNs that can be replicated to other Synology NAS and rapidly. Once a writable snapshot is made, it can be treated as an alternate version of the original file system. Btrfs Snapshots Ransomware proof? Let's say I have a Synology Diskstation with DSM 6. The issues with it are completely mitigated. Enter the description for this snapshot. I am trying to recover volume space after having removed some snapshots. In any case, you will be presented with the same window. En el caso de los servidores NAS de Synology, tenemos la posibilidad de configurar EXT4 o Btrfs, de hecho, en el asistente de configuración de los volúmenes podremos elegir entre uno y otro sin ningún problema. While full data backups are better for data protection, snapshots allow for a layer of data protection while keeping high availability. 1) Synology please add a way to schedule a volume defrag on the web interface. User quotas for each shared folder. The following steps will help mitigate the impact or will help you respond to the ransomware disaster: Gather information about the ransomware attack. Check the following information to download the installer with the compatible file type from Download Center or Active Backup for Business > Physical Server > Linux > Add Device on your target device. Others: 4,096. 8. Btrfs Snapshot Meta Sync. Launch Storage Manager. Background noise: 16. The overwritten block is normally then freed and can be reused later. HD-series. ago. It took a long time to write the data but it was pretty easy overall. 06TiB 1. Click Snapshot > Snapshot List. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Make sure that you have enough drives to create a RAID 6 storage pool: 1. 5% faster than another brand’s NAS that uses Btrfs. R. Background noise: 16. 51 dB(A); Temperature: 24. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. Others: 256. For this you need to first set the. File system scrubbing: This function checks the volumes in the Btrfs file system. Read and follow the instructions on the pop-up window. Make a new Storage Pool on the one drive. Establish a Strong Storage Foundation with Btrfs DS420+ features a Btrfs file system optimized by Synology to offer youRecommended for general use. Select one or more snapshots you wish to remove, and click Remove. Balance the pro and contra: +BTRFS: Snapshot replication, probably only needed if you need the uptime and flexibility in business applications and sent the snapshots to other NAS. Your data in safe hands with Btrfs 1. We set the shared folder so there's a snapshot taken once every day using the new capabilities of Btrfs. Your data in safe hands with Btrfs 1. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. 4. Select a shared folder and click Snapshot > Calculate Size. 8. If you use Windows, ABB is great though. A Replication is a mechanism used to sync snapshots of shared folders or LUNs between the sources and destinations. On one computer I have some archive Microsift Outlook pst files, which will even change on opening. , and Docker has been running for a while so I checked the status of the BTRFS volume. On some systems they do take up a minuscule amount of space for storing file references. This NAS will be to host audio files, video files and it might be also used as a working share for Protools (Digital Audio Workstation) meaning we will be doing audio recording to. However, there are circumstances (whether you’re using Synology Surveillance Station or simply need an extremely performant system) where Ext4 is the right selection. Models. Or you can use apt-btrfs-snapshot delete instead. Go to the Volume page. I am running a Synology NAS (BTRFS, NAS type: RS2416+) I have a shared folder I wanted to migrate to another appliance, and I would like to move all snapshots that have been running (some to a year back) via Synology's Snapshot and Replication app. ; If you only have one NAS, you can use Hyper Backup to back up data to the cloud or other storage media. Btrfs: advanced file system for data protection. Maybe this is not possible because NFS is involved. However, you can replicate snapshots to a remote. , ASCII. Bitrot protection is somewhat mitigated by btrfs, not the raid config. This, while Synology reccomends BTRFS when creating volumes. See the Systemd-nspawn#Use Btrfs subvolume as container root and Systemd-nspawn#Use temporary Btrfs snapshot of container articles. Then you delete synology-specific subvolumes that didn't contain any data in my case. They probably have written some form of snapshot management. Btrfs on more models. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. DS420+ comes with two built-in M. At the moment my backup program will copy the complete file to my backupstorage. Advantages of Btrfs on a Synology NAS. Veeam Backup to Synology NAS takes forever. My DS716+ has a hard limit of 1024 snapshots per shared folder. However, many of the capabilities offered by btrfs, including snapshots, compression, encryption, deduplication, RAID, subvolumes, and checksums, are not supported by ext4. Recommended for general use. nazump • 3 yr. Btrfs: advanced file system for data protection. 2 SSD adapter card4 • Advanced Btrfs file system offering 65,000 system-wide snapshots and 1,024 snapshots per shared folder • Synology High Availability (SHA) providing continuousSynology also uses the btrfs snapshots. It works on my Windows, Linux VM, and iPhone. Two G. Creating a 1 PB volume. Synology DiskStation Manager (DSM), the operating system that powers the DS223, leverages the efficient Btrfs file system to protect your data against data corruption and roll back any accidental or malicious changes thanks to the snapshot technology. So now, we are with LUNs on top of BTRFS volume. Hi, to protect my backups from a windows backup application. Replication is what you use to get your snapshots and the data to another Synology. File System ของคุณจะต้องเป็น Btrfs. 2 and above versions support instant snapshot and restoration; Maximum number of concurrent LUN backup tasks: 1; Minimum LUN size: 1 GB As mentioned above, when picking between Btrfs vs. I’ve had the same issues and resolved the freezing by running sudo btrfs quota disable, the qgroups options had already been disabled in my timeshift settings since init. This is the default filesystem for Fedora Workstation and Fedora Silverblue since Fedora Linux 33. After deleting a snapshot, btrfs has to do a quota rescan in the same transaction as the snapshot deletion. Hi! Come and join us at Synology Community. Select Remove. banane. Summary. Tato aktualizace automaticky převede. Because these operations are not frequent, their data are not stored on SSD caches. Still unless you want the snapshot functionality I'd stick with EXT4, then it will be even faster. To set a space reclamation schedule: Launch Storage Manager. I want to replicate the backup to the other NAS, but in the replication I can also set a snapshot retention. Both Synology and QNAP give users the option of using Ext4. Launch the EaseUS Data Recovery Wizard, choose a NAS server, and begin the recovery process. Step 1. Incremental backups of the NAS. it really isn’t!). 2 and above: Select Btrfs and click Next. Install Snapshot Replication on both source and destination servers. Snapshots for Shared Folder (and also VMware NFS. So it ought to be possible, with a bit of scripting, to do something like: 1. If you create a shared folder on a Btrfs volume, you can limit how much storage space it can use. A snapshot is also subvolume, but with a given initial content of the original subvolume. Ability to create large volumes of up to 1 PB 1. Select the ext4 volume you want to remove. Read and follow the instructions on the pop-up window. Your data in safe hands with Btrfs 1. Share. . 0 works, then the issue is some sort of change in btrfs-progs between v4. You can see the number of snapshots taken within. Spice (1) flag Report. Note: You can press and hold Ctrl or Shift to select multiple items. On a quarterly basis we rotate an. Btrfs is a copy-on-write filesystem, so creating a clone is instantaneous. A Replication is a mechanism used to sync snapshots of shared folders or LUNs between the sources and destinations. 4. p. The Synology DiskStation Manager (DSM) operating system that powers DS423+ uses the advanced Btrfs file system, which safeguards your data against corruption and allows for the reversal of any unintended or malicious changes through the use of snapshot technology. การทำ Snapshot Replication บน Synology เพื่อป้องกัน Ransomware. Data integrity protection. To check the space consumption of snapshots: 1. 2 TB of data. When the conditions specified in the Environment section are met, you can create a volume that is larger than 200 TB and up to 1 PB. Oldest Latest Most likes Most comments Telos @telos. I wanted a non-BTRFS snapshot though to avoid any fs related issues corrupting all of my backups. Click Remove. 25. The source periodically makes snapshots using the built-in. jessfraz mentioned this issue on Jan 6, 2015. Synology DS220+ is a compact network-attached storage solution designed to streamline your data and multimedia management. Btrfs is a copy on write file system. To see how much space is really consumed on the device, you can use «btrfs. 2: Buy a cheap second Synology NAS like the Synology DiskStation DS216j. Click Delete to confirm the removal. Learn more. Reply more reply. Two FS3017 units have the speed and scalability to effectively analyze winemaking data and provide high-performance IOPS optimized for virtualization environments. 1; Click OK to save your settings. You will see a confirmation message. If you plan to use all the capacity of the volume stick to ext4. I myself am using synology since 2016. If you don't need snapshotting or subvolumes, but need performnance, then go LUKS + XFS or F2FS (for SSDs) route. Unless Synology went all evil and disabled an app on purpose. If the replication source fails, shared folders or LUNs on the replication destination can be read and written to continue to. Maybe that’s why Synology is currently reluctant to upgrade the Docker. . Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. A Snapshot is a point-in-time copy stored in the same volume used to record the whole data status at the time upon being taken. 1 až DSM 7. Hyper Backup supports both the EXT4 and the Btrfs file system, but the format of the backup data is not readable. Thanks! Comment. Learn more. Hi! Come and join us at Synology Community. Ability to create large volumes of up to 1 PB 1. Btrfs is a copy-on-write filesystem, so creating a clone is instantaneous. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. The base layer of an image is stored as a subvolume. For USB backup use Hyper Backup. Trong bài viết này, chúng tôi xin giới thiệu về một dạng file system mới và có nhiều điểm nổi trội trên NAS Synology – Btrfs file system. service. HD6500. 1. Select a shared folder you wish to remove the snapshots of. Here you enter the ip to the nas itself or 127. I discovered that there were 147 snapshots!Also a fellow poster in another forum once had a great idea to nest a BTRFS fs into a LUKS container and yet another BTRFS to transfer snapshots to the inner BTRFS and in turn use a snapshot of the outer BTRFS to sync over the internet. Click Delete to confirm the removal. the VMS is an extra added bonus, if have add RAM to support a few VM's. The compress-force=alg[:level] mount option can be used instead, which makes Btrfs skip checking if compression shrinks the first portion, and enables automatic compression try for every file. The steps to "clone" /source to /target are: Get a list of subvolumes ordered by ogen: btrfs subvolume list -qu --sort ogen /source. This is an enterprise-class feature that can be used to maintained versioned copies of files that are not accessible from a compromised client. If you are looking for a network-attached storage device to act as a network backup or just want a simple NAS to do basic tasks such as media and protecting the data on your other devices, I recommend. FS6400, FS3600, FS3410, FS3400, FS3017, FS2500, FS2017, FS1018. So if for example I have recently added or changed a lot of data the size. tmp; cp -a foo foo. Now, that said, I've seen Synology and Netgear NAS's (both use btrfs) hosting VM's for years without significant corruption on large guest VM virtual drives. Select a shared folder and click Snapshot > Calculate Size. • Advanced snapshot technology provides schedulable and near-instantaneous data protection for shared folders and LUNs • File and folder-level data restoration enables recovery of specific files or folders • Flexible storage quota system helps admins manage available spaceIn Snapshot Replication (so this is only on Btrfs systems) there's an Advanced setting for each Shared Folder that says "Make snapshot visible". Another key difference is that Synology offers users the ability to use Ext4 or Btrfs, while QNAP is limited to Ext4 at this point. Storage Manager Btrfs. Since snapshots are a standard btrfs feature, you don't need to use the GUI's facilities (though they do work rather nicely). corruption through file self-healing and allows for the reversal of unintentional or malicious changes through fast snapshot technology. Starting Synology Cron Daemon. Optimal retention of Btrfs snapshots. However, Synology offers Btrfs as well, which is incredibly important as it can fix corruption from bit-rot automatically. Select a shared folder or LUN and click Snapshot > Snapshot List. No go on ext4. Data deduplication is only supported on Synology SSDs and Btrfs volumes. Read and follow the instructions on the pop-up window. The snapshot exists in the real root of the filesystem, which is not what you have mounted in /. Procházet a obnovovat snímky můžete pomocí Snapshot Replication, File Station, Průzkumníku souborů Windows nebo jiných souborových protokolů. Click Remove. Moreover the “guestmount is missing”. As you have discovered, the /vol/@sharesnap folder is only created when Snapshot Replication is installed and a snapshot is created. RAID etc is not managed. Even in single-disk laptop or desktop configurations, ZFS has a number of advantages over btrfs that will make your life much. Snapshot Replication (พร้อมใช้งานบนรุ่น Synology NAS ที่รองรับ Btrfs) มีทางเลือกว่าจะทำสแนปช็อตตามต้องการหรือกำหนดตารางเวลาและนโยบายการเก็บรักษา. Data deduplication can only run when the volume status is Healthy. Snapshot Replication provides the convenience of replicating snapshots to multiple remote Synology NAS and only replicates altered data blocks to reduce bandwidth and time consumption. If you have a snapshot of a volume where the files are encrypted, solve the ransomware attack and activate the snapshot before the ransomware occurred. A Replication is a mechanism used to sync snapshots of shared folders or LUNs between the sources and destinations. You can see the number of snapshots taken within the selected time frame. You can create snapshots almost instantly, and initially they consume virtually no additional disk space. sudo btrfs filesystem defrag -yvr /volume1. Chcete-li využívat další funkce, doporučujeme aktualizovat systém na verzi DSM 7. There are options for adjusting thresholds, but I just went with the default command. AFAIK in the Synology UI everything is managed in the Snapshot Replication app, even if you don't replicate them. Go to Storage > Global Settings. Two G. BTRFS is the single best feature of a Synology! This video goes over the top 5 features. It guarantees consistency of the whole tree at the time the snapshot was taken, which is great for point-in-time restores of a whole folder. Your data in safe hands with Btrfs 1. The retention time may be caused by the Synology snapshots and Btrfs file systems because they allow files and folders to existing on the hard disk somewhere to be restored. Entire shared folders can be easily and quickly copied as BTRFs are copy-on-write. Figure out how to reformat drive 2 to btrfs. Ok after 4 days of trying to figure this out I think I finally got it! I ran the command: btrfs filesystem reclaim-space -S /volume1 -r It took a little while to run, and afterwards nothing looked different. You will run into no space left on device errors while writing a lot of data sooner or later. Cloning an entire shared folder is quick and easy with Btrfs. Select the Shared Folder to recover the file from. Is there any documented "clean" way of setting up. Launch Storage Manager. Select a time range no shorter than a week by specifying the start and end date. The Btrfs file system cannot repair the damaged data. With its compact 1U form factor and powerful Synology DiskStation Manager (DSM) operating system, the 4-bay Synology RackStation RS422+ is an affordable all-in-one solution for small businesses and homelab owners looking to meet their daily data management, sharing, synchronization, and backup needs. No subvolumes needed. Select a time range no shorter than a week by specifying the start and end date. According to your environment and needs, you can choose to replicate shared folders to another Synology NAS or another Btrfs volume on the local Synology NAS. The Synology DiskStation Manager (DSM) operating system that powers DS423+ uses the advanced Btrfs file system, which safeguards your data against corruption and allows for. This article is part of a series of articles that takes a closer look at Btrfs. You need to create a storage pool consisting entirely of Synology SSDs and then create at least one Btrfs volume. The table below shows the Synology NAS models supporting the Btrfs file system: Series. 0. The 5-bay Synology DiskStation DS1522+ is easy to scale and expand as your needs change, with optional support for up to 15 drives, 10GbE networking, and NVMe SSD caching. Next-Generation File System Btrfs is a modern file system designed to safeguard data integrity through metadata mirroring, file self-healing, and fast snapshot replication. A highly populated BTRFS installation is going to run slower than a highly populated EXT4 installation due to snapshots/fragrmentation. Learn more. High-frequency protection with snapshots. File System Types. 2. Follow the steps in 1 to 4 of Replicate snapshot to a remote Synology NAS over the network. Snapshots are made in the source drive and should be turned on no matter if you do further steps. run to install the snapshot driver and agent. If you have encrypted folders you can rely only on the time stamp and disk usage for identification so you need to be. Data integrity protection. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools. From what I can see - the DSM system doesn't use BTRFS based snapshots and replication - it still uses the older way on the ext4 system. Models. touch foo. More importantly, BTRFS includes native checksumming of all stored data. Depending on the functions supported by your Synology NAS, Snapshot Replication helps you accomplish the following tasks: Take and manage snapshots of shared folders and LUNs. These developers built a file system with the best data integrity and the most. • 4External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT Supported RAID type Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 Storage management • Maximum single volume size: 108TB • Maximum internal volume: 512 • Maximum iSCSI target: 32 • Maximum iSCSI LUN: 256 • iSCSI LUN clone/snapshot. The equivalent of a rollback with undochange is to undochange everything from a snapshot to the current snapshot. You will see a confirmation message. Configure scheduled snapshots and retention settings. where /media is a mounted USB stick formatted with EXT4 or. Super easy. That are many copies of the past years (even an ‘antique’ DS412 + from 2012 can handle it – provided it is kept up to date in terms of operating system), and in this article we assume that your NAS uses BTRFS (works differently). If more than one snapshot version exists within a time range, only the earliest one will be kept. All versions. Data deduplication requires at least one Btrfs volume that only consists of Synology SSDs. To use snapshots on your Synology, you must have a copy that supports the BTRFS file system. Make sure there. In your case the block (s) containing the directory listings have changed. The Pin all Btrfs metadata to SSD cache feature is designed to improve the performance of operations that rewrite files periodically, such as mass deletions of old data, operations in Active Backup, Hyper Backup, and snapshots. Recommended for general use. Maximum number of snapshots per shared folder: Memory exceeding or equivalent to 2 GB (factory-installed): 1,024. Introduces Advanced LUN, a Btrfs-based LUN type that creates and restores snapshots in seconds. Your filesystem is still using 1TB of storage, rather than 900GB, as your snapshot is still holding onto the 100GB of. #Synology #BTRFS #TutorialHire Me! the drive, the data is instantly erased. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. 8. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. Go to Snapshot Replication > Snapshots. This is on Xubuntu. The shared folder must be located on a Btrfs volume. Was this article helpful?. Entire shared folders can be easily and quickly copied as BTRFs are copy-on-write filesystems. R. Do the following according to your DSM version: Go to the Storage page. Go to the Volume page. Find it under Download Center > your model > Documents > Product Specifications . Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Hi, running ubuntu/precise with 3. And if you do things like defragmentation, a lot of data changes, so - if you've activate defragmentation - turn it off. . btrfs sub list . The drives within a storage pool must be of the same type. Snapshots also let users recover their own deleted or modified files in shared folders on their own. Block sub-allocation and Tail packing. A. Enter the password of your DSM account and click Submit to confirm the removal of the volume. Snapshot replication takes things a step further and allows you to replicate a folder with snapshots to a different Synology NAS (or locally). Other then that. A very important piece that all NAS owners should be using! 🔔 Subscribe for. The snapshot benefits with Synology/BTRFS is that they are created instantly (near zero CPU load) and they occupy very little space as compared to old-fashioned snapshot technology. 1, Btrfs sẽ được Synology ứng dụng trên NAS. Backups are done via Borg on this device.