Thank yo for doing the review. I purchased the TBS-453DX 4GB version. I upgraded the ram to 16 GB with a pair of 8GB modules, so I can confirm that worked great. I purchases 4 of the WD Blue 2TB SSDs when they went on sale on Amazon for a great price.
WD Blue 3D NAND 2TB PC SSD – SATA III 6 Gb/s, M.2 2280I’m a newbie to the QNAP system but doing my own IT for a long time. I’m running a 10Gb network in my house and upgrading to dual 1Gb internet connections since I work from home. I was building my own virtualization server and planning to do my own NAS but eventually decided to just get this QNAP for fast NAS. I was really sick of spinning rust and liked the idea of an all SSD home NAS.
I’ve been doing a lot of research on RAID and SSD. It seems like there are a lot of negatives with using RAID on SSD from wearing it down faster to having even wear on all the drives, etc. It seems like most experts say using JBOD is perfectly fine as long as I have a good backup strategy. I was planning to use the QNAP cloud backup to B2 or something like that. So I was wondering for the TBS-453DX, what storage strategy would you recommend. RAID 0 vs JBOD vs something else? I guess another strategy is to provision individual volumes for different shares… but I wanted to have as much backup space as possible for my multiple computers and photos and videos, etc. I probably only have about 3 TB or less to backup right now, but want to be prepared for growth which is why I like the 8TB JBOD idea. As long as I can recover if necessary. Maybe I’ll add an external 8TB USB drive as a backup storage copy. Any thoughts on that?
There are good news for you. If you choose a Qnap as your NAS, then you can benefit from their internal functions like SSD Write Amplification, SSD Over-provisioning space, and pre-defined over-provisioning. This ensures that SSD gets worn down equally “sector by sector”.
Here is what Qnap have written:
Did you know…
SSD Write Amplification is an undesired phenomenon that reduces SSD constant write performance and endurance.
SSD Over-provisioning space helps handle the upcoming IO and conduct Garbage Collection.
The pre-defined over-provisioning amount or specified utilities given from disk vendors still lack the flexibility and manageability for IT staff to directly measure and deploy such solutions.
HOW IT WORKS
Improve write performance with SSD extra over-provisioning
While almost all SSDs have shown consistent write performance degradation, QNAP’s software-defined SSD extra over-provisioning helps sustain optimized SSD performance. It supports major SSD RAID configurations to improve random write speeds, with a constant performance boost of more than 100% for IOPS-demanding applications.
Extend SSD lifespan with higher endurance
Write amplification is an undesirable effect of SSDs, bringing challenges to flash memory performance and endurance. QNAP’s SSD extra over-provisioning helps you combat write amplification by increasing the reserved space to SSDs. The lower the write amplification is, the better the SSD endurance performs for higher reliability and lifetime.
CATER YOUR NEEDS
Add up to 60% over-provisioning
Besides vendor-defined over-provisioning (internal over-provisioning), QTS 4.3.5 provides greater flexibility to decide additional over-provisioning space to prevent significant performance degradation. You can set an over-provisioning ratio for SSD caches, Qtier pools, and static volumes (between1% and 60%) in addition to the vendor-defined value.
Note: Over-provisioning can only be configured when a storage space is created. It cannot be set for existing SSD caches or volumes.
Identify the optimum over-provisioning ratio with the SSD Profiling Tool
The SSD Profiling Tool is a unique QTS app that allows you to test SSD random write performance with extra over-provisioning ratio from 0 – 60%. Given the over-provisioning evaluation result, you can determine your target write performance (IOPS) to acquire the recommended over-provisioning ratio.
Download
QTS SSD Extra Overprovisioning Whitepaper
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