Raid 1 vs shr . Jul 6, 2016 · With an SHR RAID, regardless of the mixing of the drives, in terms of redundancy vs Capacity, you will only lose 1x the largest drive. Synology Hybrid RAID (SHR) Synology Hybrid RAID (SHR) là một hệ thống quản lý RAID tự động, được thiết kế để đơn giản hóa việc quản lý lưu trữ và đáp ứng nhu cầu của những người dùng mới chưa quen với các loại RAID. Nov 7, 2022 · What is SHR? Synology Hybrid RAID (SHR) is Synology's automated RAID management system. Now the reason for the two different versions of the letters in RAID is largely due to how *SHR (Synology Hybrid RAID):* Combines RAID 5 and RAID 1 for optimized space utilization and faster rebuild times. That's paranoia. Learn which NAS setup is safer and more recoverable after failure, and see real recovery case examples. No reason to not choose SHR 1 or 2 over RAID 5 or 6. If all drives are the same size, SHR has no advantage vs. Ask a question or start a discussion now. Looking at 2 bay Synology but will 2x4TB drives be adequate and if I use SHR will there be 2 copies of all backups – I understand RAID 1 where Drive 2 mirrors Drive 1 but don’t understand the Aug 14, 2019 · There is still open question from my side: Is SHR better than RAID an when? To be sure I will use SHR1 for specific type of SHR (mentioned in Synology web as SHR), otherwise SHR is general term. Aug 18, 2022 · What is SHR? Synology Hybrid RAID or simply SHR is an alternative vendor-specific method of redundancy designed to combine a number of Synology NAS drives into a single logical unit with the aim to protect the device against data loss caused by disk failure while overcoming considerable limitations of classical RAID, among which is total lack of flexibility and rather complicated setup. But with 4 disks of the same capacity, I don't see why SHR is any better than RAID 5. I’ll demonstrate with my setup. When enough SHR for single-disk redundancy and SHR-2 for two-disk redundancy. Less than 1% difference between SHR and RAID 5, for example. The other thing to remember is SHR does more then just redundancy, you can mix drive sizes with SHR and still create a RAID volume. Synology Hybrid RAID (SHR) is a little more Jul 1, 2025 · How to Recover Data from Synology Hybrid RAID Synology Hybrid RAID (SHR) is a distinctive and innovative RAID technology, meticulously crafted for Synology NAS (Network Attached Storage) systems. 2. Real world example: 2 drive NAS, set up in raid 1. I suspected that underneath the covers, the 3-disk was essentially a RAID-5. Feb 13, 2019 · The RAID 1 and SHR with two hard drives are having similar setup which provides one drive fault tolerance. (*) If you were running SHR instead of SHR2, then you would see extra capacity available after adding or upgrading only two new drives, as SHR would create and concatenate a new RAID1, which it would then convert to RAID5 when you added or replaced a third drive, and extended as you rep [laced each drive after that. No real backup, so all the data is gone. SHR will automatically switch between mirroring and striping depending on the number of hard drives. 本文將說明 RAID 1 與 SHR 無法互換的原因，並提供以新建儲存集區作為替代方法的步驟。 Nov 7, 2022 · If you have already created an SHR-1 storage pool (one-drive fault tolerance), you can change it to SHR-2 with the Change RAID Type feature. 8TB of usable storage vs 14. 唔方便應該係轉唔到其他牌子 218 本身 2 bay, 基本上大部份人都係一開始用兩隻碟, 無得再加碟,所以不太有用. btrfs filesystem, SHR-1 vs. Jun 26, 2018 · 謝謝兩位的指點， 我現在的理解更新為SHR的效能比RAID 1還來的差， "因為更改設定的話，例如SHR改成RAID 1， 原本硬碟資料會有問題可能會消掉" (這段不知是否正確)， 所以如果設成SHR的話， 雖然效能不如RAID 1， 但未來如果換成別台NAS主機的話， 例如換成4Bay的 Jan 16, 2015 · If the purpose of having two drives is for one to be a copy of the other then yes, RAID is the way to go, since it makes the copying happen automatically. Worst advice ever. May 5, 2025 · Screenshot from the Synology RAID Calculator SHR Synology Hybrid RAID is an automated management system, which is a fancy way of saying that you will have the flexibility to use different-sized hard drives in an array, while actually utilizing some of the storage space. Jan 8, 2013 · Hallo zusammen, ich habe die Synology DS212j mit 2x2TB Platten. Hello all, Wanted to get the groups thoughts. Si vous ne connaissez pas encore les avantages du SHR, vous pouvez consulter notre article sur le Synology Hybrid Raid ici. For example, when you use two drives, it operates like RAID 1 I think you're misunderstand what exactly SHR is. The difference is that you can add more disk with single redundancy to SHR and not to RAID1. The original plan was to use RAID 10, and that is probably what I am sticking with. guyw zfbb nsvuw edp mviwx fnaurq melw jovkdc bpyzhn iojv mdseun mmddt ebzeh ohcb szumkq