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Bert
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I wouldn't do the above unless you're comfortable with partitions and know exactly what is what as it's leaving out a bit needed to identify things.

@Bert Did you install 1 or 2 m.2?
What setup did you use?
Can you grab a screen shot of the SSD setup?

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Tremas
On 10/22/2021 at 8:01 PM, Bert said:

Broke down and bought the SSD. Anything special I need to do other than shut it down and pop them in? 

When you say SSD, are you talking about SATA SSDs or m2 NVMEs?

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Bert
1 hour ago, Tremas said:

When you say SSD, are you talking about SATA SSDs or m2 NVMEs?

NVME

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bjjones

Bert, nvme just pops in the bottom and gets recognized in storage manager in the slot after you power back up.

it makes you initialize it then assign it to whatever volume you're trying to cache against. It's pretty straightforward especially if you only have 1. You can also erase it if it had come out of something else previously which completely resets and zero's it out

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heffeque

Synology DS918+ here:

8+8 GB of RAM in dual channel

256+256 GB of cheapest NVME I could find at the moment (EMTEC X300)

A pair of 6 TB WD Purple (objectively the most silent CMR drives I could find). Will buy more once space starts getting scarce (I love SHR-1).

Aaaanyway, any cheap NVME that you set up as read/write cache will make your NAS go a lot faster on small file transfers, data base IO... and Emby's menu!

DSM 7 does a friggin' great job with the NVME cache.

RAM in dual channel mode might be helping too.

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Tremas
On 10/29/2021 at 4:50 PM, heffeque said:

Synology DS918+ here:

8+8 GB of RAM in dual channel

256+256 GB of cheapest NVME I could find at the moment (EMTEC X300)

A pair of 6 TB WD Purple (objectively the most silent CMR drives I could find). Will buy more once space starts getting scarce (I love SHR-1).

Aaaanyway, any cheap NVME that you set up as read/write cache will make your NAS go a lot faster on small file transfers, data base IO... and Emby's menu!

DSM 7 does a friggin' great job with the NVME cache.

RAM in dual channel mode might be helping too.

That's great to know @heffeque. With the NVME though, the DSM 7 optimizes the cache for the whole system and I'm wondering if that improves emby performance as much or better than installing emby to a SSD volume where you can specifically configure the transcoding folder and database to always be in the "fast" cache. I suppose if you have a big enough NVME cache and use emby as your main app, DSM 7 is going to keep most of the emby files in cache. I'm sure having both NVME and SSDs will be the best possible option, but I wonder if the performance between doing both is really noticeable.Thanks for the info.

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If you can sacrifice drive bays on your NAS to use for SSD that a volume directly on that is going to be ideal.

But I would not even think of doing that on anything with 5 or less drive bays as you'll later be kicking yourself in the but when you want to add another HDD but can't because of a 1TB or so SSD using the drive bay. :)

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I've read about people saying that even NVME in RO mode can cause issues with the data array. Do you have any concerns?

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I've not read anything like that nor have I had any issues at all in R/W mode.

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Bert

That's how mine is setup since Saturday and I've had no issues. I realize, of course, that's a short sample size. 

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heffeque
On 10/31/2021 at 4:24 PM, Tremas said:

That's great to know @heffeque. With the NVME though, the DSM 7 optimizes the cache for the whole system and I'm wondering if that improves emby performance as much or better than installing emby to a SSD volume where you can specifically configure the transcoding folder and database to always be in the "fast" cache. I suppose if you have a big enough NVME cache and use emby as your main app, DSM 7 is going to keep most of the emby files in cache. I'm sure having both NVME and SSDs will be the best possible option, but I wonder if the performance between doing both is really noticeable.Thanks for the info.

NVME won't help for transcoding. It will help with Emby's interface.

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Bert
3 minutes ago, heffeque said:

NVME won't help for transcoding. It will help with Emby's interface.

I disagree.. I hardly ever transcode so can't speak to that but IMO made zero improvement anywhere. 

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I disagree with both of you.  NVME setup as R/W caching helps for display as the graphics will be in the cache and won't need to get read off disk.
If setup for write caching then transcoding will likely never get written to disk (depends on cache size).

Of course this is all generally speaking as size of cache and what you having running on the NAS does matter to what stays in the cache.

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