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DSM on a Single SSD?
(lemmy.world)
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this post was submitted on 15 Jul 2023
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That's great to hear, thank you! Now I'm wondering if I should do 2 SSD and 2 HDD or 1 SSD and 3 HDD like I originally thought.
Maybe I've misunderstood the initial question. I've put in a ssd, set up DSM, put all files on it and installed a second ssd for raid1 later.
Oh I understand. I'm trying to do something different. I want to install just one SSD, do the initial set up so DSM (and any future apps) would live on it. Then in the other 3 bays I'd add the HDDs as a second volume. A potential downside to doing this would be that if the SSD fails, the NAS would fail entirely. But I don't know enough about DSM to know if that's the case.
DSM and settings are installed on all volumes.
https://kb.synology.com/en-us/DSM/tutorial/Which_drive_is_DSM_installed_on
Thank you for this. That's helpful to know that if the SSD fails, the NAS wouldn't stop. More interested in trying this out now 🤞
You’re welcome.
I’m not sure if you’ll get a speed benefit or not since there is no way to prioritize the SSD.
My hope is that if I initialize NAS with just the SSD first, it'd have the smallest drive number, so DSM would just start off that. And maybe get some more performance if other apps/containers also ran off the SSD.
In my experience restart are infrequent. DSM runs plenty fast.
When I have a container that performs frequent small read/writes, i.e. lemmy and pictrs, I put those directories on a USB connected SSD. That greatly increased the performance of the containers I moved to that solution.
My other biggest performance boost was caching my main volume with two NVME SSDs.