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007revad / Synology_M2_volume

Easily create an M.2 volume on Synology NAS
MIT License
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[Feature Request] Support 2.5 Cache Drives RS3413xs+ #157

Closed bradkeller closed 1 month ago

bradkeller commented 1 month ago

Is there any way to add support for 2.5in SSDs in the cache trays of a Synology Rack Server?

007revad commented 1 month ago

So DSM 7.1.1 won't let you create a storage pool on 2.5in SSDs in the cache trays?

I notice that the RS3413xs+ manual says you must install 2 identical SSDs in the cache trays in order to mount SSD cache. So it sounds like it only supported a read/write cache.

What does the following (insanely long) command return? It's 1 line. for s in /dev/sd?; do echo -ne "$s "; cat "/sys/block/$(basename -- $s)/device/model" | tr -d '\n'; cat "/sys/block/$(basename -- $s)/device/syno_disk_serial" | xargs; done

Can you tell me which of the drives that command returned are the SSDs in the cache trays?

007revad commented 1 month ago

Do you want to setup those SSDs as RAID 1, RAID 0 or 2 separate single volumes?

bradkeller commented 1 month ago

So DSM 7.1.1 won't let you create a storage pool on 2.5in SSDs in the cache trays?

I notice that the RS3413xs+ manual says you must install 2 identical SSDs in the cache trays in order to mount SSD cache. So it sounds like it only supported a read/write cache.

What does the following (insanely long) command return? It's 1 line. for s in /dev/sd?; do echo -ne "$s "; cat "/sys/block/$(basename -- $s)/device/model" | tr -d '\n'; cat "/sys/block/$(basename -- $s)/device/syno_disk_serial" | xargs; done

Can you tell me which of the drives that command returned are the SSDs in the cache trays?

These are the two installed SSDs currently:

/dev/sdk SSDSC2BA200G3 BTTV322101WW200GGN /dev/sdl SSDSC2BA200G3 BTTV322101WZ200GGN

bradkeller commented 1 month ago

Do you want to setup those SSDs as RAID 1, RAID 0 or 2 separate single volumes?

Is it the same amount of work to have multiple options? I wouldn't mind all of those options being available all being equal. Otherwise currently I would just be happy moving the SSDs I have in the 3.5in bays to the 2.5in bay and using them as separate single volumes.

007revad commented 1 month ago

So the SSDs are currently in 3.5in bays. You can create the volume, or volumes, on them while they are in the 3.5in bays, then shut down the NAS and move the SSDs to the 2.5in cache trays.

bradkeller commented 1 month ago

So the SSDs are currently in 3.5in bays. You can create the volume, or volumes, on them while they are in the 3.5in bays, then shut down the NAS and move the SSDs to the 2.5in cache trays.

The two installed SSDs are currently uninitialized in the 2.5in cache trays. You think I can move them to a 3.5 tray and create volume(s) and then move them back? I can give it a go.

007revad commented 1 month ago

I believe it will work.

007revad commented 1 month ago

Another alternative is:

sudo synostgpool --create -t single -l basic /dev/sdk
sudo synostgpool --create -t single -l basic /dev/sdl

or if you also want DSM to do a drive check after creating the storage pools:

sudo synostgpool --create -t single -l basic -c /dev/sdk
sudo synostgpool --create -t single -l basic -c /dev/sdl

You'd then create the volumes in storage manager.