In the same testing environment, file transfer via Samba with the ext4-using QNAP NAS is 61. Click the upper right icon of the ext4 volume you want to remove. Go to Snapshot Replication > Snapshots. I always create a snapshot afterwards of the target folder on the NAS, so its safe for Randomware or unwanted changes. As a result, writing new files to a container's snapshot operates at native Btrfs speeds. [ 19. Hyper Backup supports both the EXT4 and the Btrfs file system, but the format of the backup data is not readable. Working with Btrfs - Compression. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. 49-17. Ask a question or start a discussion now. Chcete-li využívat další funkce, doporučujeme aktualizovat systém na verzi DSM 7. Btrfs allows for multiple files to share the same on-disk data through the use cloned ranges. Mar 28, 2017. Select a time range no shorter than a week by specifying the start and end date. btrfs subv delete <path and snapshot name>. Scale up to 36 drives with Synology RX1217/RX1217RP Complete virtualization solution for Citrix OpenStack Cinder support Advanced Btrfs file system offering 65,000 system-wide snapshots and 1,024 snapshots per shared folder Redundant power supplies ensure service uptime Backed with Synology’s 5-year limited warranty & SynologyDepends what your running but generally no performance loss isn't an issue. In rare cases you might want to delete files from snapshots. Snapshot: With the help of Btrfs file system features, instant snapshots and replication are available. Btrfs allows you to take a snapshot before starting the backup, and by copying the data from the snapshot instead of the current data that has. Other then that. After removing all active snapshots from the UI and uninstalling the Snapshot Replication app, the folder ought to be able to be deleted. The steps to "clone" /source to /target are: Get a list of subvolumes ordered by ogen: btrfs subvolume list -qu --sort ogen /source. Learn more. Models. Snapshots let you save the state of a file system at a particular point in time and recreate it on another machine to simplify data migration. Warning JBOD will see your data vanish if a disk dies regardless of file system. service. 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. It is different than snapshots. ZFS has nice caching/special allocation device suppiort + RAIDZ. Not really an issue unless you have an enormous number of files. Once a writable snapshot is made, it can be treated as an alternate version of the original file system. Snapshot Manager for VMware/Windows: Application-consistent snapshots; Synology High Availability (SHA): Ensures the reliability of LUN and iSCSI services. Background noise: 16. It works on my Windows, Linux VM, and iPhone. If the Btrfs filesystem is used on a Synology NAS, and the filesystem is mounted to a Linux server with NFS, is it possible to create a Btrfs snapshot from the Linux server at the command line? I'd like to automate a process of creating a snapshot, processing, and deploying changes. If you create a shared folder on a Btrfs volume, you can limit how much storage space it can use. If the replication source fails, shared folders or LUNs on the replication destination can be read and written to continue to. Nov. where SNAPSHOT_ID is the ID of the snapshot to restore from (and . Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. 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). The Btrfs file system cannot repair the damaged data. 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 stored ADDITIONALLY. The Ext4 filesystem does not support creating snapshots of the filesystem. You can see the number of snapshots taken within. The original data is read from the layer where the file currently exists, and only the modified blocks are written. Copy everything from Volume1 to Volume2. The base layer of an image is stored as a subvolume. Reply more reply. The drives within a storage pool must be of the same type. Find it under Download Center > your model > Documents > Product Specifications . That data is in a sub folder inside a Shared Folder now. Make sure that you have enough drives to create a RAID 6 storage pool: 1. HD6500. The thing is I don't fully understand what the advantages are of the 3rd scenario compared to the 2nd scenario. BtrFS may be useful if you just fill the volume to 50% or less or don’t write much. But the column "Exclusive" shows the sum of space that is consumed by all snapshots of this share. Looks pretty definitive to me. Not sure how well those work. sudo btrfs send /path/to/snapshot -f /media/@_basic_install. Using the synology btrfs does not report the "invalid tlv" and is a bit noiser but seems to work the same as default Ubuntu version. This is what I was wondering. Freeing up volume space by deleting snapshots. With the introduction of btrfs years back, Synology DSM opened up the ability to take snapshots. Delete Synology Snapshots and Btrfs. You can go to Active backup for business => File server => Add server. The Synology DiskStation Manager (DSM) operating system that powers the DS224+ uses the advanced Btrfs file system, which safeguards your data against corruption and allows for the reversal of unintended or malicious changes through the use of snapshot technology. jessfraz mentioned this issue on Jan 6, 2015. HD6500. 1) Synology please add a way to schedule a volume defrag on the web interface. Note: You can press and hold Ctrl or Shift to select multiple items. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. 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. . You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. Install Snapshot replication and look for snapshots (Synology drive often uses snapshots) Sometimes you need to let btrfs recover deleted storage. . The diagram below shows a subvolume and its snapshot sharing the same data. 0 indicates that the files are restored to the main volume) and FILENAME is the path to the file to restore. . Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Background noise: 16. Btrfs is a copy-on-write (CoW) filesystem for Linux aimed at implementing advanced features while focusing on fault tolerance, self-healing properties, and easy administration. Storage Manager Btrfs. Data deduplication can only run when the volume status is Healthy. 0. If, for example, most your data writes are file add (like storing your camera roll, your movie collection,etc), btrfs snapshots will use virtually no extra space. /mnt. The drives within a storage pool must be of the same type. Don’t use BtrFS for critical work loads. On the destination server, go to Snapshot Replication > Replication > Shared. 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. If it doesn't, then the issue is the Synology patches to btrfs. Basically, I have an external 4TB USB drive that has been gathering dust since I got my NAS. The problems could be caused because the version of btrfs-progs expects a more updated version of the btrfs kernel module. 2) Here's the command the UI uses when you manually start a volume defrag on DSM 6 with BTRFS /sbin/btrfs filesystem defragment -r. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. File System ของคุณจะต้องเป็น. Select Immutable snapshots and set Protection period. ; In the Set Replication Schedule page, select Immutable snapshots and set Protection period. 2. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. There is only 36. That will do. . So only changed blocks from snapshot to snapshot will require additional storage. 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. 04GB of allocated data, yet there is 1. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. However, Synology offers Btrfs as well, which is incredibly important as it can fix corruption from bit-rot automatically. Entire shared folders can be easily and quickly copied as BTRFs are copy-on-write. A minimum of 4 drives is required. Go to the Volume page. Added new btrfs volume. I believe ext4 is faster than btrfs generally speaking, but it of course matters what and how you will be using the file system whether than difference is significant. The following table lists the Synology NAS models that support WriteOnce and immutable snapshots. I set AB to keep snapshots, default setting on DSM6 (3-1-7-4-12-3). 1 and i 'm trying to take benefit of deduplication or snapshot but for deduplication doesn't work at all !!I do have 2 Synology devices with Btfrs, so time to get things working. 1, enter smb credentials and then select your Shared folder. Select Remove. Verify the user with getent passwd student2, and it will appear normal. The following drives cannot be mixed: SATA and SAS drives, SSDs and HDDs, or 4K. Click Remove. Recommended for general use. In the storage manager I see the values "Reported 6. AdamV158. 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. Go to Snapshot Replication > Snapshots. QNAP uses ext4 and OverlayFS technology, providing high-efficiency volume and block-based iSCSI LUN snapshots to well protect important data. You should be able to suspend the scrub command with btrfs scrub cancel /dev/mapper/<device>. Synology Drive Server; Snapshot Replication 5; Poznámky: Chcete-li změnit stávající typ RAID na typ RAID 6, přečtěte si požadavky v tomto článku. You may look at your hard drive, and say to me "but my. Block sub-allocation and Tail packing. • Back up your Synology NAS: Hyper Backup offers a wide range of destinations for backups of your NAS, including on-premises and cloud. On certain Synology NAS models and under specific conditions, this file system also allows you to create a Btrfs volume of up to 1 PB in size . Conky probably reports the raw-disk usage, which is why, after snapshotting your volume, the reported number did not change. The hyper backup allows you to back up to other sources that dont include other synology boxes. After this, we replicated all the LUNs from uk1 to uk2 and did a switchover. Snapshots for Shared Folder (and also VMware NFS. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Ext4 for Synology NAS devices, most users should pick Btrfs for the data integrity benefits that it provides. Synology simply doesn't use BTRFS with all the features. 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. Synology Backup SuiteHardware-Assisted Data Transfer: Data transferring can be done quickly on your Synology NAS without taking up the resource of the hosts when copying data on VMware ESXi and Microsoft Hyper-V hosts. The RS2423+/RS2423RP+ offer exceptional performance with over 155K/79K random read/write IOPS and up to 3,500/1,700 MB/s sequential read/write throughput. 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 restored in case of data loss or accidental modifications to the original data. On one computer I have some archive Microsift Outlook pst files, which will even change on opening. Go to Snapshot Replication > Snapshots. 1. So, the feature is actually only named for the. Drive versions are event-based : whenever there is some change, a version is saved. Robust Data Protection with Btrfs DS1821+ supports a Btrfs file system optimized by Synology to offer both high reliability and high performance. Select the ext4 volume you want to remove. Synology 4-bay NAS DiskStation (DS918+) Summary: Four-bay RAID 5 class NAS powered by quad-core Intel Celeron CPU with upgradeable 4 GB RAM, dual gigabit Ethernet ports and two M. You can create snapshots almost instantly, and initially they consume virtually no additional disk space. Meanwhile, creating the snapshots is no longer a problem for me, but now I would like to delete them again after 5 days. Select one or more snapshots you wish to remove, and click Remove. Data integrity protection. 2 TB of data. Establish a Strong Storage Foundation with Btrfs DS220+ features a Btrfs file system optimized by Synology to offer you high reliability and high performance. A place to answer all your Synology questions. User quotas for each shared folder. DSM 7 Series. jacobhutson @jacobhutson*. However I see two things (a big one and a small one) in this video that could throw new users off the track: The big one: BTRFS doesn't have checksums, it has the option to have checksums, at least in the Synology integration. (I did not down vote your comment about snapshots or encryption even thought Synology does let you use snapshots with encryption) No if your thinking of restoring individual files from the encrypted file (can't work because the encrypted files are on top of btrfs as like another filesystem due to the way Synology implemented it)Btrfs: We recommend selecting this file system because it supports advanced features, including shared folder snapshots and replication, shared folder quota, and advanced data integrity protection. You should be able to. Two G. Snapshot Replication (พร้อมใช้งานบนรุ่น Synology NAS ที่รองรับ Btrfs) มีทางเลือกว่าจะทำสแนปช็อตตามต้องการหรือกำหนดตารางเวลาและนโยบายการเก็บรักษา. You must confirm that the source and destination NAS are both using the BTRFS file system to proceed. #Synology #BTRFS #TutorialHire Me! the drive, the data is instantly erased. Two FS3017 units have the speed and scalability to effectively analyze winemaking data and provide high-performance IOPS optimized for virtualization environments. The overwritten block is normally then freed and can be reused later. You will see a confirmation message. This is important for dealing with Copy-on-Write, because we need to have the base. e. Thus we decided to turn off "copy on write" (in Synology terms: Advanced Data Integrity Protection) for the most intensive used volume. The snapshot exists in the real root of the filesystem, which is not what you have mounted in /. All other blocks are shared between both snapshots. Ask a question or start a discussion now. The following steps will help mitigate the impact or will help you respond to the ransomware disaster: Gather information about the ransomware attack. Models. Because these operations are not frequent, their data are not stored on SSD caches. Oldest Latest Most likes Most comments Telos @telos. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. FreeNAS Mini, and Synology for a few months and the snapshot feature is very important at my workplace and I'd really like to know whether it's not just half-baked in DSM 6. Running out of ideas I decided to try and reboot again, and after the reboot my Volume usage dropped from 80% to 35% which is right about. corruption through file self-healing and allows for the reversal of unintentional or malicious changes through fast snapshot technology. Recommended for general use. This is on Xubuntu. 51 dB(A); Temperature: 24. FS6400, FS3600, FS3410, FS3400, FS2500. Supports SSD compatibility check on XS and FS series models. exFAT is best option for USB drives. Install Snapshot Replication on both source and destination servers. EXT4 is the way to go. You must confirm that. That's an example of a fast mechanism for a ransomware, using the drive to make the data inaccessible instantly. I want to replicate the backup to the other NAS, but in the replication I can also set a snapshot retention. Series. Snapshot: With the help of Btrfs file system features, instant snapshots and replication are available. 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. To get a detailed view of the space consumed by each single snapshot, simply add a "/*" at the end of the syntax above: btrfs filesystem du -s --si -g /volume1/@sharesnap/ [a-z]*/* Gathering the information takes a while. For. Just as a note the Synology also adds from xattrb’s to it’s btrfs file system so you will not be able to btrfs-send a subvol… also as a warning all the HARD links are from root of docker image but /urbackup but live in /volume1/urbackup so outside of the docker none of the links will work unless you create a link from /urbackup to. Same fix helped. Creating a 1 PB volume. However, you can replicate snapshots to a remote. 0 will modify the root subvolume to match snapshot #. The Synology NAS where the virtual machine storage is located must be powered on to use the snapshot feature. It does, but it uses the default. personalt @personalt*. Note: You can press and hold Ctrl or Shift to select multiple items. compression -v zstd foo. 0. Again, you still don't need another machine. 1 or above to support the snapshot feature. One can also specify more than one file. banane. jessfraz on Jan 14, 2015. Delete the 4tb drive. With the introduction of btrfs years back, Synology DSM opened up the ability to take snapshots. If you're not going to replicate then use snapshots and a backup and enable the recycle bin while you're at it so you have a spread of options. As far as i know with EXT4 you can't backup PC (I never tried with a physical server). snapshot 0 is a pseudo-snapshot that is your root subvolume. 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. If data are already corrupted, you might not be able to restore the data via an onsite backup solution (e. The reality is that, today, ZFS is way better than btrfs in a number of areas, in very concrete ways that make using ZFS a joy and make using btrfs a pain, and make ZFS the only choice for many workloads. Tried running VM manager. Main features: Data protection features, including snapshot, replication, and point-in-time recovery. 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. Cloning an entire shared folder is quick and easy with Btrfs. Super easy. The table below shows the Synology NAS models supporting the Btrfs file system: Series. 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. You can create one-to-many/extended replications for a shared folder to at most 3 different destinations. snapper rollback # will swap to that snapshot, snapper undochange #. In some ways, btrfs simply. Snapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. In addition, to support this idea: Snapshot replication is btrfs send and btrfs receive. To see how much space is really consumed on the device, you can use «btrfs. Take the steps below for NAS data recovery from QNAP, Synology, Lacie, Iodata, Buffalo, DLink, Seagate, Western Digital, and more. . 06TiB /volume1/@download. Compare specifications below and find the right model for you. Create immutable snapshots on a remote server. If you have multiple Synology NAS, you can use Snapshot Replication to replicate data. Snapshots also let users recover their own deleted or modified files in shared folders on their own. File System ของคุณจะต้องเป็น Btrfs. Businesses need data protection to prevent data loss from accidental deletion, application crashes, data corruption, and viruses. Is there any documented "clean" way of setting up. All versions. 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. ; If you only have one NAS, you can use Hyper Backup to back up data to the cloud or other storage media. 2 SSD slots that support Synology SSD Cache technology, allowing you to reduce random I/O response time 20 times compared with spinning drives without occupying front drive bays. We begun testing BTRFS based "Snapshot and Replication" application rather than our own way of doing things. Hi, running ubuntu/precise with 3. 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. Download Datasheet. Remove the 2tb drive. – Snapshot Replication is a package that must be downloaded and configured before using. jessfraz closed this as completed. Thanks! Comment. The drives within a storage pool must be of the same type. Any snapshot protection only gets you so far in case things go really bad (but with the raid setup to protect against disk failures and btrfs snapshots that might be very helpfull to protect nicely against a ransomware attack, that is still a good start). Btrfs file system and non-encrypted shared folders were used during the aforementioned testing. 25. Reformat drive 1 to btrfs. Ext4 is fast and rock solid, and easily recovered on a desktop machine if things go really bad. I copied from my /volume1 to /volume2. Still unless you want the snapshot functionality I'd stick with EXT4, then it will be even faster. We had LUNs on UK1. 264 4K video streaming2 Compact yet Powerful Storage Solution Synology DiskStation DS218+ is designed for home users or small businesses pursuing aIt uses modern btrfs file system to create copies of shared folders and LUNs, then replicates these to other Synology NAS. Click Remove. Setting up the Btrfs file system on a Synology NAS offers several very interesting advantages, especially for advanced users and also at the enterprise level:. FS-series. Btrfs is the recommended file system to use in most scenarios. This delivers users the most advanced storage technology with features such as file self-healing, data consistency, and shared folder snapshots. However, each shared. Maximum number of snapshots per system: Memory exceeding or equivalent to 2 GB (factory-installed): 65,536. Btrfs: advanced file system for data protection. Hardware-Assisted Data Transfer, snapshots and space reclamation are not supported on Thick Provisioned LUNs; Only Thin Provisioned LUNs created on Btrfs volumes on DSM 6. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. Just let it do its thing. BTRFS vs EXT4. Go to Snapshot Replication > Snapshots. 5K views 2 years ago Synology Tutorials. User quotas for each shared folder. Moreover the “guestmount is missing”. Ability to create large volumes of up to 1 PB 1. j. 2. Btrfs Snapshots Ransomware proof? Let's say I have a Synology Diskstation with DSM 6. 1. Shared folders located in volumes using the Btrfs file system; LUNs created as Standard LUNs with storage acceleration or Advanced LUNs; Snapshot Replication has defined the limits of the following maximum numbers of retainable snapshots: 1024 snapshots for each shared folder (or 256 on certain Synology NAS models) 256 snapshots for each LUN Funkce Snapshot Replication (dostupná u modelů Synology NAS podporujících Btrfs) obsahuje možnost pořídit snímky na požádání nebo nastavit pravidla plánování a uchovávání. I use a DS216+II with BTRFS. Snapshots are readonly unless they are mounted as a share folder -#snapshots visibility I usually recommend turning it off unless you need it when browsing the snapshots via dsm file station (antivirus software won't understand that #snapshots isn't a folder and can end up scanning every single snapshot that will have mostly identical data), on windows pc. 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. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools. First mount your partitition containing the btrfs filesystem to e. It is possible to set DSM to retain x number of daily snapshots, y number of weekly, z monthly etc. Hyper Backup supports both the EXT4 and the Btrfs file system, but the format of the backup data is not readable. Even while the BtrFS volume is not even near being filled. Background noise: 16. Next step is replication. There are options for adjusting thresholds, but I just went with the default command. At this point I have my 4x2TB and 1x10TB in slots. Perhaps, it's a faster processor. Hi, to protect my backups from a windows backup application. Click Calculate Now to start calculating. Whether for work or play, Synology offers a wide range of network-attached storage (NAS) choices for every occasion. You can browse and restore snapshots using Snapshot Replication, File Station, Windows File Explorer, or other file protocols. Here are two useful commands for you to contemplate: sudo btrfs qgroup show /volume1 sudo btrfs subvolume list /volume1. ago. At the moment my backup program will copy the complete file to my backupstorage. On some systems they do take up a minuscule amount of space for storing file references. I've tried to connect it to a ESXi host and the connection works but I never tried to backup a VM. Take immutable snapshots of shared folders and LUNs that cannot be deleted via any method. Virtual DSM must be created on DSM 6. 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. Enable RAID. Simply select one and click Browse. You can create one-to-many/extended replications for a shared folder to at most 3 different destinations. n neneonline @neneonline* Aug 29, 2017 Hi. If it is part of a snapshot, it is not freed. Snapshot Replication (tilgængelig på Synology NAS modeller der understøtter Btrfs) omfatter mulighed for at tage snapshots on demand, eller konfigurere tidsplaner og tilbageholdelsespolitikker. They probably have written some form of snapshot management. Recommended for general use. 25. 265 online transcodingSnapshot Replication (available on Synology NAS models that support Btrfs) includes options to take snapshots on demand or configure schedules and retention policies. Install the 6tb drive. Click Delete to confirm the removal. Not all data storage is created equal. 2. FS-series. These commands are more or less equivalent: btrfs fi defrag -czstd foo. 1 and got the following when removing a container: $ docker rm docker-lloyd-service Error: container_delete: Cannot destroy container docker-lloyd-service: Driver btrfs failed to r. . 49-17. Others: 4,096. Shared folders located in volumes using the Btrfs file system; LUNs created as Standard LUNs with storage acceleration or Advanced LUNs; Snapshot Replication has defined the limits of the following maximum numbers of retainable snapshots: 1024 snapshots for each shared folder (or 256 on certain Synology NAS models) 256 snapshots for each LUN Select Remove. Funkce Snapshot Replication (dostupná u modelů Synology NAS podporujících Btrfs) obsahuje možnost pořídit snímky na požádání nebo nastavit pravidla plánování a uchovávání. Models. This means that Btrfs snapshots are space efficient with little or no performance overhead. Added function to schedule the snapshot rotation in iSCSI Manager. 0. Creating a 1 PB volume. Follow instructions to set up as BTRFS. 1 They are the perfect cost-effective file management and sharing solution for SMBs and come equipped with advanced backup capabilities designed for businesses with expanding. I wanted a non-BTRFS snapshot though to avoid any fs related issues corrupting all of my backups. Then view and remember the port for remote access open EaseUS Data Recovery Wizard and click "Next". Series Models; HD-series: HD6500: FS-series: FS6400, FS3600, FS3410, FS3400, FS2500,. , Snapshot Replication or Synology Drive) because the backed up or synchronized data may also be corrupted. 0. Table of Contents show. Step 2. selecting the shared folder/LUN and clicking Action > Sync to run the replication task right away.