Btrfs vs ext4 reddit synology Just use ZFS. Make a hyper backup to the new disk with all settings/programs (and export containers according to guide. No easy way - if you're very comfortable using the commandline and probably not getting support from Synology, you can force btrfs to work on that device - google will find you instructions if you're brave enough. Has anyone switched from ext4 to btrfs from a remote synology nas? I need snapshot replication so btrfs is a must and would like to see the best way of going about this. My home file share runs zol because I prefer zfs to btrfs and run it at work a lot so I'm much more comfortable with it. (If you need max speed for a VM, then create a separate ext4 strorage pool on an SSD). Assuming that this is New posts; Help; Partnerships; Subscribe! Be careful with all you read about btrfs on the 'net. I've never had an issue with either, and currently run btrfs + luks. x got corrupted after updating the kernel to that kernel version 4. So if you want data consistency btrfs is your only choice For my consumer needs, I would never have a file bigger than 16TB, so in my situation EXT4 or BTRFS would make no difference. I think you should go with btrfs, btrfs is very stable, the problem is your hardware. - enabled snapshots and better As I described the only real difference between the two configurations is that the DS1515+ has its volume formatted as BTRFS. For my "portable backup" targets, I use btrfs and commandline scripts to send/receive snapshots to the external drive. Synology 920+ change ext4 to BTRFS - help needed For both ext4 and btrfs, Synology does an what I would call an "interesting" mix of LVM + dm-raid and other things (that is how they do their 'SHR' stuff). I appreciated the feedback on my original question, and I hope this can help someone else out. You can kill the volume and recreate with btfrs, copy from volume 1 to new BTRFS volume 2 and carry on. Yes, I used the installer and choose btrfs; you can setup raid to if you have multiple drives. 1. I'd say ext, because it is faster, and because you asking means, that you don't know how to use btrfs features, otherwise the choice is obvious: need snapshots -> btrfs, need reflinks -> XFS, default -> ext4. I ended up completing the migration last week, without having to use a backup copy. That really isn't worth the complexity unless you are aware of how to measure usage and make the decision based on those metrics. It took a long time to write the data but it was pretty easy overall. Btrfs has built-in options for mitigating and watching for it, but it's a concern for all storage. You can create an extended S. I installed arch on btrfs for a test run. 1) have techniques to reduce the need to defragment. Update. Synology encourages using ext4 for surveillance station video. Of the other two, I tend to prefer ext4, as XFS tends to perform better with large sets of data, but it's a smaller difference than with Btrfs. BTRFS it is becoming clear that I should probably convert to BTRFS in the future. 5TB of data. For immediate help and problem solving, please join us at https://discourse. Definitely ext4. Ext4 IS a proven file system. you can also use the longer legible form of the command that is btrfs subvolume create. I'm going to reinstall Artix and I want to make the right choice. Or check it out in the app stores Not sure if and how this translates from DSM 6 days to today, my hunch is Synology's Btrfs implementation is more optimized now than it was at that time. And then delete Get the Reddit app Scan this QR code to download the app now. People tend to consider it more stable. For immediate help I just did a migration from EXT4 to BTRFS. Not trivial on a boot disk in Linux. r/Proxmox. Hyper Backup's Data Integrity Check vs BTRFS Scrub . ) Hello, I am looking to upgrade from my flakey 1815+ to a 1821+ with new drives. Btrfs is a 64-bit filesystem and the Alpine AL-514 CPU in the DS2015xs is 32-bit. We would like to show you a description here but the site won’t allow us. I'm pretty confident that ext4 will still be available in a decade (barring a global apocalypse which would lead to a much different set of problems). 80GHz 8GB ECC RAM)which costs a little less than the Synology mentioned. Hi All, LVM/ext4 vs btrfs for server storage Since I have 5 hdd on my Nas I could split the volume in to 2 volumes and initialize one as btrfs, move the files to this btrfs volume and delete the ext4 volume and then reassign all the HDD to the btrfs volume. That however would disable a lot of the Btrfs features. The single feature that makes it worth it is support for checksums for data which means it can detect and correct bit rot. Here's what I'm planning to do: Install a single 20TB to bay 5 and create new btrfs volume I have currently an ext4 8tb volume on a DS920. If I understand correctly, the only option is: Create a btrfs volume on disk 2 Move data to disk 2 Erase volume on disk 1 Extend the volume from disk 2 to disk 1 Am I correct? This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which break third-party apps and moderation tools. DSM Hi, I have 2 volumes in my Nas: 1, raid 5 ext4 2, basic btrfs used for backup I need to replace most of the drives on the ext4 volume, and have Btrfs supports this feature as of DSM 7. No go on ext4. Reply reply View community ranking In the Top 1% of largest communities on Reddit. 4Tb, then move all the apps across to this new volume, remove the large ext4 volume and then expand the 10. If you enable compression in btrfs that will likely reduce your writes and therefore help SSD longevity. All of the drives that had data converted from ext4 to btrfs with a btrfs versions prior to that keenel v. practicalzfs. I want to upgrade the 2tb drive to a 6tb so that 4tb is useable. I am a bit proponent of using BTRFS for bit rot protection. It’s running EXT. Do note : it is perfectly fine to buy an older + unit used on ebay for your backup-Synology. Has anyone else run into this/been able to fix it? Additionally, should I just move to EXT4 volumes? What do I lose moving from Btrfs vs EXT4? New to this, so any info would be a huge help! Thanks. Makes the learning curve less painful. I am absolutely sure that this has nothing to do with the file system you use. One wonders why btrfs doesn't just implement this and scrub their attempt at RAID5, since that's (AFAIK) literally the entire feature. The array presents itself to btrfs as a single device. Less sure about btrfs given its current adoption rate, especially if they have their own flavour The choice between BTRFS and ex4 is pretty clear: Only BTRFS has bit rot protection, so ext4 shouldn't be in the running for a data storage pool. For those of us starting from scratch versus using an older unit as a secondary off-site backup, is it worth buying Btrfs capable units? Or would the mix of Btrfs and ext4 units create greater redundancy? I am continuing to have issue with my new UGreenNAS that arrived this week - it won't let me make any volumes with Btrfs. Tbh I feel that on a home computer with ssd you won't be able to tell the difference in performance between fs, pick the one with features you do value depending of the partition. I want to change from current ext4 to btrfs system and I was wondering if I can add one more 18TB drive and create a new storage pool with btrfs, transfer my data from current volume to the new one. You're better off by using "the right tool for the right job". View community ranking In the Top 10% of largest communities on Reddit. Now, I'me getting another 8tb tomorrow. This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which There are some features in DSM7 that uses btrfs and I want to migrate my data from EXT4 to btrfs. Of course "some people" say restore doesn't work. 2. I documented the process and wrote up a blog post for anyone that is considering the same thing. As long as you’re not trying to use it to make complex RAID, it’s a solid choice in the pool of choices. Maybe. Btrfs is on a different level compared to Ext4. Gaming. If I have 4 6TB drives with 4TB of data in an SHR1 configuration, my understanding is that I should be able to deactivate one drive, create a new storage pool and SHR1 volume on that one drive, copy everything over, deactivate the other 3 drives Get the Reddit app Scan this QR code to download the app now. Apps are working correctly. test through the Storage Manager task scheduler to run periodically on I'm no expert on file systems, and I'm not so concerned about the speed or the features btrfs adds, it's more that if btrfs will eventually take over from ext4, I don't want to end up stuck in an older file system waiting until the next time I have to swap multiple drives. While the "next-gen" features of Btrfs are awesome, it tends to be slower. Three is no reason to use ext4 when btrfs is available. nygnius @nygnius. New comments cannot be posted and votes cannot be cast. R. The only thing that attracts me to Btrfs features is the ability to do versioning on files without much impact on storage vs ext4 where the whole backup is DOUBLED/DUPLICATED at least once first before versioning takes place (thus a 7TB data backed up to NAS results to 14TB initial requirement, too much!) I have a similar issue - with one difference: all 4 disks are the same size. Hey there! I'm very new to the world of NAS systems, I'm thinking of buying the DS 220j as my first NAS. Synology passes btrfs checksum errors up the stack to mdraid/lvm to allow it to then repair from parity/redundancy, which is not trivial to implement. Synology for example uses MDADM for the RAID itself and then uses BTRFS on top (which is a valid option). Overall, my experience with btrfs vs lvm are similar. ZFS is trash on Linux so I Posted by u/bratone - 1 vote and 1 comment Maybe I missed something? A few days ago I changed the file system on the Synology NAS from ext4 to BTRFS so I can enable data scrubbing. The rest of the btrfs filesystem is generally OK, if confusing. Ext4 does not provide you guarantee that the data you read from the filesystem is the same as what you wrote. Everything else in BTRFS is stable for a long time now. 2Tb 10. E. Btrfs may be better for large servers. I'm on attempt 2 right now without issues so far. I manage 8 Synology units - all on ext4. The Synology tutorial doesn't seems to be valid for my scenario https: Help in moving from ext4 to Btrfs comments. The original creator of ext4 considered it to be a stop gap till something like btrfs was ready. In any case, it doesn't seemed like ext4 is significantly faster. 4Tb volume to the fill the vacant space? If you use RAID0 you will obviously also lose all data if a drive fails and will also only be able to use 12TB in total vs 14TB for JBOD. Cheapest Synology drive that can reliably run Jellyfin and *arr stack Btrfs vs. 7 mdadm version. Btrfs shines with its data integrity features, snapshots, Overall I want the most optimal setup that ensures data integrity from btrfs volumes for avoiding damage to family photos and my media content, It's worth so I've moved from EXT4 to BTRFS on a 100TB NAS as new fs: - enabled storage for Synology Active Backup for Business - dedup/compression. Ext4 does not guarantee data consistency. The most recent is just a few months ago talking about these kinds of problems. I use both filesystems. We may have lengthy talk on ext vs XFS vs f2fs and btrfs vs zfs and there are many more points to be mentioned, but for regular users Btrfs snapshots is offered by the filesystem itself. I'm looking to do the plotting on a NUC11 which I originally bought to tinker with Proxmox and Plex, but it's far too early days for Plex HW transcoding, so I reckon a repurpose there for plotting while mapping the drives on the NAS. This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which break third-party apps and moderation tools. AFAIK in the Synology UI everything is managed in the Snapshot Replication app, even if you don't replicate them. There's no way to convert in-place Sure the snapshot creation and rollback ist faster with btrfs but with ext4 on lvm you have a faster filesystem. With SSD array this is negligible, but not zero. Heck, even ext4 principal developer recommend btrfs (I’ll add a link when I find it. I know very little about the file format but most articles im I've been enjoying my device for awhile and use it extensively, but thought this was a good time to upgrade from EXT4 to BRTFS and also get a device that's capable of 10Gbit network. r/synology • The need for NVME Caching Btrfs Vs Ext4: Best Option for RAID 10 Synology doesn't use btrfs-RAID, they use mdadm (linux default) RAID and put a btrfs filesystem on top. Now I Get the Reddit app Scan this QR code to download the app now. Thanks for this link. As for resizing: look, I have spent the last week trying to look into many aspects of NAS technology, Synology vs Qnap, DLNA and streaming, etc. Ext4 and xfs are very stable, I prefer xfs with the only downside I've found you can't shrink a partition. I understand I should create single storage pools and single volumes per drive. I don't have immense storage needs, You need to worry about bitrot on everything. Btrfs takes atomic snapshots (0b instantaneous snapshots that grow in size over time as you delete/edit files). Raid1 and 10 are stable with btrfs. Sometimes performance. Doing backup to a + series (with BTRFS) is better still. Some of the things BTRFS was slow at and you had to have the speed then maybe you'd have to disable CoW or use EXT4 and live without the security of CoW and checksumming. Btrfs has it's own volume management. This means that it will eventually show up all over the place, but Synology was the first to get it implemented stably between Synology and Get the Reddit app Scan this QR code to download the app now. If you find my questions too banal, please ignore them. ) All 4K movies have stuttering/choppy video 2. I want to host VMs, and that means migrating to btrfs. The NAS is mostly archive for my consulting business, archiving media files, and Time Machine backup. Ext4 to Btrfs migrate . Btrfs is always faster than ext4 when used with the nodatacow mount option. 1. stock BTRFS so yes, directly or indirectly it's related to the FS or (less likely) the drives. BTRFS versus EXT4 . They use MD. It's great protection against ransomware. +1. r/linux4noobs. It has ~6-7TB of data on the 12TB (SHR) volume. Removed volume. I played around with the settings and on the external device setting in synology, I enable "Enable Delay allocation for Ext4". Some things BTRFS was faster, some things EXT4. As you said, DSM is much easier to use and provides more features/configurations than QNAP. com with Get the Reddit app Scan this QR code to download the app now. There is a mix of digital photos (rarely changes) TimeMachine backups (always changing), Videos (rarely changes) and work project files (small and large, some of which change often, some of which don't. . a large professional setup like in a data center with funding I'd go for zfs. After doing a little research, I discovered that using EXT4 is better option than using BTRFS. Don't get me wrong. Otherwise, BTRFS offer so much more In the context of Synology NAS devices, both Btrfs and Ext4 are viable file systems, but they serve different needs. I just used BTRFS for the kicks and giggles. I understand that volumes can be resized but it's not clear to me if this is also true when you have a BTRFS and an ext4 volume. I'm actually doing something like this now - it's slower, but I feel a lot better knowing that I have all the data data backed up, in case something Plug in external drive to usb (or swap one of the raid disk with the new disk and format it to btrfs). Only works with btrfs. Am I right in thinking I can create a new btrfs volume of 10. Added new btrfs volume. For more information and supported models, refer to this article. Or check it out in the app stores TOPICS. So far Synology support has been mute, and I have waited two days now for a response. BTRFS vs NTFS vs EXT4 upvotes Veeam to Synology - BTRFS Checksum? Hi all, been past issues where veeam backups going slow or failing with it enabled but that might be more a issue with ext4, pre alloc + ext4 issue, (samba pre alloc is not enabled by default, Synology has it enabled by default ) This subreddit has gone Restricted and reference-only as part of a mass Get the Reddit app Scan this QR code to download the app now. Migrating from ext4 to btrfs DSM I've got a 1821+ with 7 bays occupied using 4TB drives in SHR. Depending on why you want btrfs, you could run zfs. It's the reason dd is known as the "Data Destroyer" Reply reply I found BTRFS to be plenty stable, and with checksumming and self healing - even more so. Reddit is dying due to terrible leadership from CEO /u/spez. I'd like to replace the 4 10TB with 5 20TB and convert the volume to btrfs. Regarding community: my personal experience is, BTRFS community is smaller, but more prosumers and experts are willing to help. You can't have an Ext4 filesystem that spans across multiple disks without some dirty tricks (that still do not accomplish what you want). Synology's What models support Btrfs does not list the DS2015xs. ZFS deduplication is not a good idea, because it needs a lot of RAM and CPU. 1 to 7. A community to discuss Synology NAS and networking devices Ext4 to btrfs migration comments. I picked up a DS920+ over the weekend and have just got 2 more 3TB drives today. The catch is I have about 40 TB of data on an existing ext4 ( 4-disk, raid 5) volume that I would need to backup first before I A community to discuss Synology NAS and networking devices Members Online. I guess the best way to move forward is to buy 4 new HDDs put the old DS412+ in it's original configuration 4 HDDs X 4TB each with EXT4 and do some sort of data transfer to the new DS920+ using the btrfs format for the new HDD that I buy Hey fellow GNU/Linux enthusiasts, I'd like to know your opinions about using Ext4 vs BTRFS. 8 TB is available so I'm going to need to upgrade some drives eventually. View community ranking In the Top 1% of largest communities on Reddit. But I think everything there is specific to a "data backup task" and for me it's still unclear if it applies to a block level full disk backup option which is what I was intending to use. BTRFS is still fairly immature and there's a lot of performance optimization left to do on it. I have a DS416J that has faithfully served me for 5+ years, mainly as a storage space for photos and a few videos but also for personal files and backups from my Mac. M. BTRFS does dedup offline periodically zfs dedup is online by maintaining a table in memory of duplicated blocks. seems to be smashup of your list. All my others partitions are ext4 for simplicity : music, games and movies ssd. Locked post. As long as Synology's btrfs implementation and flavour can be transparently mounted elsewhere. Changing the volume to Btrfs is a better choice. In some benchmark tests Ext4 has had stronger performance as well. It's unfortunate that Synology defaults to ext4 when formatting external drives. Backed up data to USB drives. BTRFS isn't a Synology specific feature, it's a linux file system. Looking at ordering a new DS1821+ shortly and will be coming from an older diskstation currently with two volumes which are Ext4. Since I changed the file system to BTRFS here is what I am experiencing: 1. Ext4 sở hữu những ưu điểm của các Ext trước đó và kèm I'm familiar with the process of converting from ext4 to Btrfs, as it has been well documented here: How to change from an ext4 volume to a Btrfs volume. The 15 is stuck on DSM6 and ext4 AFAIK, and I want to be able to Rsync is sync, not backup. Other then that, RAID5 is perfectly fine for bulk storage that you're ok potentially losing (or have backed up). DS920+ running DSM v7. Or check it out in the app stores (Volume 1) from EXT4 to BTRFS and just noticed that the Volume size is now only 31. Doing backup to a J series (without BTRFS) is better than no backup. Ext4 to btrfs migration NAS hardware I have a 4 TB HD (unused), and 2 x 16 TB drives on a 923+ My 2x16 drives are on a ext4 (SHR) volume and I want to convert it to an btrfs system. 1-42218 4x14Tb HDD Volume 1 = ext4 27. Literally all over the internet specifically on Reddit. Usually I would just stick with EXT4. It's got good features. T. Especially for photography workflows. mount the recently formatted btrfs partition without special options just with mount /dev/nvme0n1p2 /mnt and create the subvolumes you want, e. Delete Volume #1. com with the ZFS community as well. Now I am in Awhile ago I was looking for advice on how to migrate an ext4 volume to btrfs on my 920+. ZFS upvotes This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which break third-party apps and moderation tools. my 2c: if you can afford to money wise, sell the J series on Ebay and buy a Synology with BTRFS for your backup. On a last point about dedup this feature works VERY differently with ZFS vs BTRFS. Btrfs sits on top. It's not "better" because better depends on your use case. However, if you have created a volume in the ext4 file system and want to change it to the Btrfs file system, an alternative method is to create a Btrfs volume and then Get the Reddit app Scan this QR code to download the app now. Synology's adaptation I did some research, realize that using BTRFS system could prevent silent corruption and bla bla bla. 2 TB of data. I think PEBCAK is more destructive. I've used ext4, XFS, Btrfs, and ZFS for gaming at different points. Unless you're doing something crazy, ext4 or btrfs would both be fine. Valheim ZFS VS Synology BTRFS . Ext4 vs Btrfs Yet another BTRFS vs ext4 post. Welcome to the IPv6 community on Reddit. I like btrfs because it does not require a lot of ram like zcache does and you can use dissimilar drive sizes. So unfortunately you're stuck with ext4. Jun 09, 2019 Not today, but from memory of how they perform: I also have a 1813+ (8 4TB in RAID 6 and EXT4) and a 2415+(10 12TB in RAID6, BTRFS, 1TB R/W As mentioned above, when picking between Btrfs vs Ext4 for Synology NAS devices, most users should pick Btrfs for the data integrity benefits that it provides. Also, Btrfs has other data protection features such as Data Scrubbing. Reddit vs PC Part Picker vs LTT Get a 12TB, insert into the last slot, create a new btrfs volume Somehow clone my ext4 volume into my btrfs volume Erase 2 of my 6TBs and add them to the btrfs volume with SHR Eventually get a second 12TB to add to the btrfs volume (keep Posted by u/ToonTonic - 2 votes and 3 comments Wondering whats the easiest or quickest way to convert file system from ext4 to Btrfs? If my assumption is right, I should create new volume #2 and set that as Btrfs. That was basically migrating shares, blowing up the array, rebuilding an array as BTRFS. Not sure about BTRFS, haven't had time still View community ranking In the Top 1% of largest communities on Reddit. I want to make the change for two reasons (1) to be able to run virtual machines and (2) I want to move back to SHR-1. Hi, is whether formatting the external HDD as BTRFS and running a scrub after each backup would be better to protect against things like bit rot which ext4 can't help with, or whether the data integrity check is doing the same/similar thing? if this "repair" feature is Synology View community ranking In the Top 1% of largest communities on Reddit. It'd need synopartindex and maybe an older, pre kernel 4. That addresses the worst part of btrfs, where btrfs-RAID5 and btrfs-RAID6 would corrupt data on a scrub. JFS, ext4_dev , BTRFS raid0, no issues. I wouldn't worry about btrfs overhead here. 1, certain rackmount models can no longer create ext4 volumes, but existing ext4 volumes remain fully functional. We also support the protest against excessive API costs & 3rd-party client shutouts. However, there I've done some reading and yes I see that it offers a lot more features than ext4 which is an older format on synology but from my understanding on Linux systems ext4 performs much better than btrfs so I dont know if there is some sort of tradeoff here getting loads of features with btrfs but slower read/write speeds than what ext4 offers. Does Snapper, snap-pac and btrfs-assistant installed and configured for the peace of mind. Btrfs does by writing checksums of the data. As of DSM 7. If you're using RAID5 don't use btrfs, it's RAID5 feature still has reliability concerns. DS216play->DS923+, 4x 4TB IronWolf Pro Best Strategy to migrate from EXT4 to BTRFS? I have a DS-918+ with 3 6TB drives and my single EXT4 volume is ~43% full. ext4, and even NTFS5. But I've already seen that requires a lot of The copy-on-write nature will cause the VM images to become fragmented very quickly, which will kill performance and make it very difficult to maintain. I believe it’s raid 1, because only 2tb is useable at any time. Reddit vs PC Part Picker vs While BTRFS allows you to mount an ext4 file system and convert it, you will struggle with performance as the data isn't properly laid out across the drives. Ext4 is a "pure filesystem" while Btrfs has disk and volume management built-in. But Btrfs has some cool features such as protection against bit-rot and snapshots. This is true and this is the reason Synology is not using BTRFS RAID. Took me ~4-5 days of total work, and that was for a 4-bay system with only ~5. g. After reading the threads about ext4 vs. I've seen plenty of posts comparing the two, and I think I have a general idea of what the trade-offs are, but I found the occasional reference to issues popping up around btrfs. btrfs sub cr /mnt/@ (the @ alone is the convention for "root directory" in btrfs) btrfs sub cr /mnt/@home. Other than that I doubt there are major differences between ext4 and btrfs for SSD longevity. Or check it out in the app stores A community to discuss Synology NAS and networking devices Members Online. 1, use the Btrfs (Peta Volume) file system instead. I would rather get the DS218+ than the DS220j. In practice, I don't consider the Btrfs slowdown really relevant for desktop usage on an SSD, VM performance aside. I have a synology DS720+ with two hard drives installed, a 2tb and 4tb. Hi - I am running a DS1621+ using EXT4 with SHR-2. ext4 can claim historical stability, while the consumer advantage of btrfs is snapshots (the ease of subvolumes is nice too, rather than having to partition). Can you convert BTRFS to ext4? suggestions for migrating stuff from an ntfs partition to either ext4 or btrfs comments. This did NOT affect drives that had been normally formated with btrfs (it only affected drives that had used the ext4 to btrfs conversion tool). I'd even argue that BTRFS might not be the best filesystem for video. EXT-4 to BTRFS without external backup Help . 4. In the process of doing this, I would like to transition to BTRFS so that I can get snapshot benefits. Do you recommend such a solution: system installation on two new disks with btrfs, mounting old ones with ext4, copying data from old to new ones, wiping old ones and adding to btrfs volume with new disks. These both use the same CPU, and [SOLVED] EXT4 or BTRFS for Synology NAS? So I just purchased a Synology DS218+ NAS (2-bay) and I see it supports EXT4 and BTRFS. EXT4 is faster, BTRFS is more resilient to user failures. Actually, Btrfs might have the upper hand there even, if zstd filesystem compression is used. Btrfs would be adding features you most likely don't need. If your DSM version is 7. New comments cannot be posted. It may still suit as part of your backup strategy if you have a reliable onsite backup or a cloud backup, or if you’re comfortable that having two 220j devices minimizes the odds of both having bitrot occur at the same time. Just the base model HPE (Intel Gold G5420 Dual-Core 3. Please use our Discord server instead of supporting a company that acts against its users and unpaid moderators. I'm currently using BTRFS but I really don't use snapshots or any other feature that BTRFS provides but Ext4 doesn't. Or check it out in the app stores Btrfs vs ext4 Support I have an old pc (corei5, 4gb ram) and while installing Linux nobara it used btrfs as default in storage partition. A. Btrfs is a better file system, but you can certainly choose to use Ext4, if you want . I decided to put my video (even video from other places that surveillance station) on an ext4 volume, and I don't edit it from the NAS, only view it. You'll be much better off just reformatting and restoring a backup. 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. I'm liking btrfs for the snapshots as they are very similar to NetApp NAS appliances how they snapshot their volumes at the file Go to synology r/synology. I use lvm snapshots only for the root partition (/var, /home and /boot are on a different partitions) and I have a pacman hook that does a snapshot when doing an upgrade, install or when removing packages (it takes about 2 seconds). Depends. x. You can use hyper backup from Btrfs to ext4 but then of course you don’t have bitrot protection. I use a DS-918+ with 3 6TB drives at home and one empty slot. However, btrfs excels at All have pros and cons that probably won't affect you too much. A community to discuss Synology NAS and networking devices Members Online • ethereal792 . Move all files to that volume. for the rest of my data i use BTRFS. With hard drives that introduces additional latency on write and read. With Btrfs you get self healing, snapshots, copy on write, background for my surrveilance station recording target volume i used EXT4. I do not have my data backed up elsewhere, and cannot afford to at the moment either This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which break third-party apps and moderation tools. There are many parallels between lvm and btrfs. Never trust they will keep your data safe, you always want a backup. I can buy a DS220j now, while the DS220+ is not available yet and I have no idea when it will come out. Hi, thank you for reading. XPEnology is an open source alternative to Synology's DSM Time does not include check integrity, which seems to take 3-1/2 hours roughly. Btrfs is a bit slower with writes because of its Copy-on-write nature, but just as fast when it comes to reads. (see btrfs filesystem du -s /path. For immediate help and problem solving, please join us at I wonder if it would be possible to copy some Synology binaries to a Linux computer and use them to create DSM 6 style partitions and trick DSM on the NAS into thinking the drive had been migrated from another Synology. Synology may recognize and keep volume 2 as it was or not but all your data should be on volume 1 anyways as it was part of the backup. BRTFS vs EXT4 performance hit n. I think the safest thing to do, though, is get an external USB drive, and backup the whole system to that, delete the volume, recreate the system as BTRFS, and restore the data to the new volume. Expand volume 2. But generally, EXT4 is performing faster if speed is what you need. The main reason for my upgrade to DSM6 was Tried running VM manager. Reddit vs PC Part Picker vs LTT Forum – Where Should YOU Go for Build Advice? November You can use any of 2, BTRFS is not possible to be done with GUI when formatting USB drives, however if you have a linux machine then you can DIY and bring back to use, DSM can use it however all those BTRFS features like snapshot are not possible on USB drive. It will likely go down to 0. Here we discuss the next generation of Internetting in a collaborative setting. As for EXT4 vs BTRFS I don't think it will make much difference for a drive that is just going to be a backup from the main drive. Or check it out in the app stores A community to discuss Synology NAS and networking devices Members Online. 4Tb available The goal is to convert fully to btrfs. How can sync/backup between one NAS-Ext4 to other NAS-Btrfs? Hi guys, I have two NAS have different file systems: For synology backup in general look at: This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which break third-party apps and moderation tools. Now, how good BTRFS is at restoring is directly proportional to how much the user understands how it works. These were formatted in ext4 because Btrfs is unavailable on a DS212. What are the advantages and disadvantages of btrfs over ext4, In many tests, ext4 is a bit faster. 0. I've installed the new drives, and set them up as a new storage pool & volume using Btrfs, and now they're "Optimising in the background". Btrfs vs ZFS requirements . I hope you have that entertainment library backed up somewhere. Assuming you want to have a volume 2 with the 2x6 drives, add those to bay 3-4. IMO, ext4 is a much better choice (between the two) than btrfs for VMs. This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes A community to discuss Synology NAS and networking devices I have 4 of the 5 bays in the new 1522+ installed with 10TB with ext4 from the old NAS. g usb, you could format those drives in either ntfs or exfat , and they can be read by either Synology or Windows. It's a hard argument against Btrfs other than its maturity level compared to ext4. Performance shouldn't be your concern. I heard that it needs a strong cpu so i don't know of i should use exr4 instead I am trying to figure out if I need BTRFS or not for the bit rot protection. com with H. 17. It was a hard switch to Btrfs because I had zero issues over the course of 8 years or so on ext4. When I was setting up my device, I couldn’t figure out where to choose btrfs and I end up using ext4 right now. Or check it out in the app stores A community to discuss Synology NAS and networking devices Replacing ext4 volume with btrfs . If you are concerned about the external drives, e. A community to discuss Synology NAS and networking devices remove the old ext4 volume, create a new btrfs one and finally copy your data back. A community to discuss Synology NAS and networking devices I am comparing stock ext4 vs. On the other hand Btrfs can do it without a hitch because it was designed to Such a narrow measurement criterion for the capabilities of BTRFS. I have a 4-drive SHR (With data protection for 2-drive fault tolerance) in EXT-4 that I want to convert to BTRFS. 8 TB is used of the 21. (DS218+, 2x4GB HDD) Many enterprise platforms employ BTRFS out there such as Synology uses it as their base file system on their appliances. For much heavier DB usage, it's sometimes recommended to make two volumes (on one pool of disks), btrfs for normal usage, and ext4 for high-block-write database usage. 5 MB/s on ext4. Btrfs ext4 60MB/s on am ssd array is not normal. Data is about 8TB. Basically I'm going to be using a Here are the main differences highlighted by Synology themselves. Total volume used is ~ 12TB. Or check it out in the app stores TOPICS For the sake of comparison: Synology uses BTRFS, with snapshots, but it does this by avoiding BTRFS' dodgy RAID5/6 Hiện tại trên DSM Synology có 2 dạng File System là Ext4 và Btrfs. Ext4 (Extended File System) Ra đời năm 2006, là phiên bản nâng cấp của các Ext tiền nhiệm. However, I previously heard that "synology is not even using the same btrfs as everyone else", and it seems that they do have binaries like "btrfs-super-hack" that is not part of the standard distribution - do you know anything about this? "A volume cannot be changed from one file system to another file system. BTRFS provides means for data integrity verification and even correction. r/synology. The 218+ supports BTRFS but the 416 does not. Additionally, some important shares get snapshot-replicated to another NAS, and one small-but-critical share gets Hyperbackup to SynoC2. A community to discuss Synology NAS and networking devices Synology does not allow snapshots on Ext4. Members Online. I am considering moving to BTRFS and would appreciate any feedback or recommended migration strategies. I don't want to assume just because a data backup works onto a destination with a separate file system upon restore that the same is true for a block-level full disk station backup in off ext4 volumes to single BTRFS volume, now I only care about the data. ) Lots of buffering when initially playing, or trying to forward or rewind in a movie Is it possible to reduce the data on the Synology to below 9. Now backup are running at 70-85 MB/s instead of 7. Synology does not currently offer a agree with ssps, just run memory test first. I followed the instructions from website meticulously and still I can’t see the page choosing ext4 or btrfs. 1TB (IE Single Drive capacity) and then remove 1 HDD from Volume 1, and create a new single BTRFS Volume on the Synology using the single HDD, then start moving data over to this drive, then remove the remaining drives from Volume 1 and add them to Volume 2 therefore creating a new The question is XFS vs EXT4. This thread is archived Just about to repurpose my old 1019+ with 5 x 12 TB. This could be superior in performance but it is also very expensive in terms of RAM to the point where few home users would want to enable dedup. In general modern SSDs should last a very, very long time anyway (well over a decade) even if you don't do anything in particular to care for them. Thank you! Yep, I am aware of all the "btrfs raid" confusion thing, and the fact that Synology is not using it. A community to discuss Synology NAS and networking devices Is it best to create a volume with btrfs or ext4 in this situation? Thanks! Archived post. Synology is absolutely the leader in this race. I had a DS212 which was maxed out with 2 3TB hard drives. Virtualization folder (Virtual Machine Manager) had to be removed, but it was not in use anyway (this service cannot be stopped). Ext4 cannot do that. Convert ext4 to Btrfs r/ipv6. So from ext4 on old to btrfs on new) Remove old Ext4 disk in nas and insert new btrf disk in synology. Ext 4 has been around a good while longer than Btrfs. But as some users found out, automatic snapshot (at the time it was first released) ate disk space on single user installations. Over the years ext4 has become the standard and has been developed as such so that sentiment is not really applicable now but xfs was there, done, way before even ext4! This subreddit has gone Restricted and I think Synology have "fixed" RAID5/6 issues of btrfs with some trickeryI'd imagine it works as all their higher-end products have btrfs now and they use that as a selling point. Is it because of BTRFS can automatically expand once two hdd have the same size? Archived post. This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which break third-party apps and Take a look here as it explains a lot of how BTRFS data systems work on Synology What your doing is more suitable for ext4 file system on Synology due to lack of checksumming on ext4 filesystem, so if the part of the file is corrupted it will still deliver the data quite happily (you have to use manual scans to verify past md5 sum scan to So the DRIVE isn't formatted in BTRFS, the VOLUME that is inside the STORAGE POOL is formatted in BTRFS. 4 TB (which was the maximum available), Synology uses standard LVM and btrfs (boot up an old copy of Ubuntu that ignores btrfs tree errors if they exist and it will mount it just fine) for Checksum it works as intended, Synology and other nas company's who have been using I'm about to set up a DS920+, and I'm deciding between ext4 and btrfs. ZFS (and BTRFS) has horrible write amplification in VM workloads, you will see people whine about SSDs dying left and right. My first Btrfs Synology crashed and I lost the entire volume of data. A community to discuss Synology NAS and networking devices I want to convert the VOL1 EXT4 to BTRFS, however I am unsure which is the better method to use. And it will work straight of the bat? A community to discuss Synology NAS and networking devices I recalled need to manually expand when raid 1 was ext4 but I don't see that option on BTRFS. Even backed it up to 2 separate drives. DS412+ to DS920+ and EXT4 to btrfs . Hi there! We hope you're doing well! We're an unofficial forum for Synology hardware, software news, discussions, and community support. This brings up a question, how big is the VOLUME you currently have as EXT4? Is there space to make a new BTRFS volume? If you migrate the shares from one volume to another, you are moving the files from from an EXT volume to a BTRFS volume. It just find the issue and alert you, don't blame it. r/ipv6. My prognosis is that ReFS is going to pound it into the ground but BTRFS will keep getting better as the years go on. Get the Reddit app Scan this QR code to download the app now. I bought Synology for the large storage and SHR technology (which is so awesome being able to mix drives), and reliability/data integrity/no file corruption is the biggest most important things to me. This started as we grew tired of the lack of Moderator involvement in the /r/Synology community, so we decided to take things into our own hands. nekl pltdofa zxci kpb nstr oawbkxf ljlkm zvqmfgg glkaam gfgjf