However the key strengths in a Synology SHR RAID setup is: You only need two disks to build an SHR array and after that you can add drives to the Synology Hybrid RAID at anytime. Then from DR point of view (still in line for mass market and SME) is guaranteed RAID1 with 2+ disks better than SHR (1): - SHR is slower than RAID1 - then make an impact to the RTO. Use the RAID calculator that Synology has to compare your scenario with RAID5 vs SHR. I set up an SHR volume (Synology Hybrid Raid) with my spare 1TB HDs and mess around with it and try to figure out how am I gonna upgrade my Synology Hard Drives to Larger Capacity in the future and keep my data. Low cost isn't a synonym for best. I find that my storage pool 1, I only have one at this time, states that it is a " Snyology Hybrid RAID (SHR) (with data protection for 2-drive fault. SHR and SHR-2. My main test was using SATA for RAID 6 vs RAID 10 (copying same folder of files from server to the NAS). Tune in to Synology 2021. When I was waiting for my 8TB HD I set up my DS418 with 3 old 1TB hard drives in order to test the DS418. But since I had another spare NAS, so I tried the Synology Hybrid RAID (SHR2 which was supposed to be like RAID 6). Balanced decision must be taken into the consideration. SHR gives you the ability protect your data from 1 lost hard drive and SHR-2 protects you from two. Too expensive isn't a synonym for best also. tolerence) " I understood the 2-drive protection was only with the SHR2, which is what i was planning on switching. You need at least 3 drives for a RAID 5 storage system. I will use screenshots from the Synology RAID Calculator while explaining different RAID configurations so that you can understand how much disk space you can use in a certain RAID configuration. Joseph9460 wrote: I just bought a new Synology DS1515+ and after I'm done getting acquainted with it, I'm debating configuring it for Synology Hybrid RAID, mainly in order to take advantage of a handful of unused hard drives of various sizes I've got lying around from previous NAS devices. However, as of Synology DSM 3.1, Synology Hybrid RAID will now have the ability for two redundant drives. Posted: Fri Sep 21, 2018 3:08 pm. Synology RAID Calculator offers you an estimate on the space utilization with various mixed HDD configurations and RAID types. For more information on SHR (Synology Hybrid RAID), please refer to here. SHR will make use of the extra storage at … This makes the Synology solution much more appealing to me, since I prefer to reuse older, excellent drives over buying four to six new drives every few years. I have just set up my DS1092+ in the SHR mode, but have decided to switch to SHR2. 3. Actual HDD sizes can vary between vendors, and values calculated may differ from actual results. True in the past. RAID Type: SHR (Synology Hybrid RAID), SHR-2 (Synology Hybrid RAID), RAID 0, 1, 10, 5, 6 The Synology DSM 2.3 firmware builds on the already award-winning design of DiskStation Manger 2.2 but delivers even more features and integration such as simple volume management with Synology Hybrid RAID (SHR), shared folder encryption and a new surveillance iPhone ® app – DS cam. For more information on choosing the RAID type for a storage pool, please refer to here. I've been using it for 1 full year now and I come from the RAID10, RAID5, RAID 0 and 1 generation back in the early years of 2000's when those were popular. So Amazon sent me 3 new HDs. A RAID 5/6 configuration is required before creating a RAID 50/60 group. For an estimate of space utilization, please refer to Synology RAID Calculator.