Can not enable E10M20-T1 on DS1621+ #97
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When I added support for enabling a M2D20, M2D18, M2D17 for models that don't officially support them I did wonder if the E10M20-T1 would work as both a NIC and NVMe on any NAS model. On the DS1618+ is listed as supporting E10M20-T1_sup_nic, E10M20-T1_sup_nvme and E10M20-T1_sup_sata.
So you'd think the DS1618+ can fully support the E10M20-T1 then the DS1621+ should be able to as well. There was someone who used the dual 10GbE E10G18-T2 card (in a DS1821+ I think) that found when both 10GbE ports were used the 2nd port ran at half the speed of the first port, due to not enough PCIe lanes. According to this review the does have a PLX passthrough for the NVMe slots. Were you wanting to use the NVMe drives on the E10M20-T1 as a cache or volume? Synology officially only support M.2 drives in PCIe cards as cache drives. But my Synology_M2_volume script can see the NVMe drives on a PCIe card and create the storage pool, then after a reboot you go into storage manager and create your volume. |
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Thanks for your reply. I just want to use the NVMe drives on the E10M20-T1 as a cache, the problem is I didn't see any drive on the E10M20-T1 in DSM. |
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Comparing synoinfo.conf between the RS1221+ and DS1621+ the only difference that may be related is the RS1221+ has: netif stands for network interface. Both models have 4 1GbE ports so I don't know why the RS1221+ has netif_seq="3 2 1 0" and the DS1621+ doesn't. Both models have 99% the same files that contain E10M20-T1:
The one file that is different is the binary dtb file located in model.dtb where the RS1221+ model.dtb file contains a section of M.2 PCIe cards including the E10M20-T1 I had to google what a .dtb file is: I could decompile both model's model.dtb files and then compile a new one but:
I noticed that the DS1618+ and DS1819+ support the E10M20-T1, M2D20 and M2D18 yet they have no model.dtb file. So I thought maybe the model.dtb file is only needed for models with a Ryzen CPU but then I noticed plenty of Intel CPU models also have the model.dtb file. Without kernel support I think it may not be possible to make the DS1621+ see the E10M20-T1 (or any M.2 PCIe card) but I'll keep looking. |
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Omg, thank you so much for your thorough investigation. I am planning on attempting to modify my device tree file to see if I can get the E10M20-T1 to work fully on the DS1621+. Your research has given me valuable insights, and I hope that I can contribute some new information to this issue. |
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If you can figure it out I'd really like to know. I've attached a copy of the model.dtb file from the RS1221+ DSM 7.2-64570 RS1221+_DSM_64570_model-dtb.zip Since my last reply I've found that model.dtb also exists in /etc/model.dtb after DSM is installed. The DSM .pat file contains 2 identical copies of the model.dtb file:
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You are right! After modify model.dtb file, it works! 
Following steps below
Really thank you a lot!!! |
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Awesome. Thank you. |
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PS you're Synology account email address is showing in your first picture. |
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Thank you for your concern. However, please be assured that there is no problem. The account displayed is my publicly shared personal account, and I believe Synology would not object to my action. |
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Hi guys Thanks for sharing !! Does it mean we can do this procedure with every model having a PCIE slot ? Why does synology removes stuff like this… what happens after an upgrade of the dsm ? |
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I think it's not. This way is only for the device that use device tree. You can |
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I assume models that use the device tree are the ones that have /etc.defsults/model.dtb ? Only 33 of the 112 models that can use DSM 7.2 have the model.dtb file and all seem to be '20 series and newer. But not all '20 series and newer models have model.dtb, like the RS4021xs+ Synology NAS models that have \etc.defaults\model.dtb in DSM 7.2-64570 DS220+, DS420+, DS720+, DS920+, DS1520+ RS1221+, RS1221RP+, RS2421+, RS2421RP+ DVA1622 FS2500, FS3410, FS6400 HD6500 SA3410, SA3610, SA6400 |
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@karsayor What model Synology NAS do you have? Editing the model.dtb file is only needed for DS1821+, DS1621+ and DS1520+ I have a pre-release version of this script that does it for if you have a DS1821+, DS1621+ or DS1520+ and have installed a E10M20-T1, M2D20 and M2D18 |
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Hey currently I have a 1618+ so the card is supported. But when it will be eol I plan to change for a new with PCIe x4 slot as well if I take the card. A little bit too much future thinking I know 😝 But i find all this interesting to know. Maybe in 2-3 years I would swap my unit so i’m hopping to keep the card. And I also wonder why Synology removes the support of this… |
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What PCIe card do you have?
In DSM 7.2-64570 Synology did add more Synology NAS models to support the M2D18 adapter card: RS822RP+, RS822+, RS1221RP+ and RS1221+. I have no idea why they didn't already support the M2D18 adapter card in DSM 7.0,.x and 7.1.x |
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E10M20 |
Sorry, I forgot to answer your question. I doubt Synology would drop support for the E10M20-T1 but if they did I can enable it. |
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Can you do me a favor and tell me what this command returns on your DS1621+
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14.52,7.26
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发送时间: Saturday, September 23, 2023 12:21:19 PM
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主题: Re: [007revad/Synology_HDD_db] Can not enable E10M20-T1 on DS1621+ (Issue #97)
@FlintyLemming<https://github.com/FlintyLemming>
Can you do me a favor and tell me what this command returns on your DS1621+
cat /sys/firmware/devicetree/base/power_limit && echo
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Interesting. Because you are using 4 NVMe drives I expected to see 4 power limit values instead of the regular 2. Are you using DSM 7.2 Update 1, 2 or 3? |
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Oh I'm using 2 nvme ssds now, sorry for my misleading
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主题: Re: [007revad/Synology_HDD_db] Can not enable E10M20-T1 on DS1621+ (Issue #97)
Interesting. Because you are using 4 NVMe drives I expected to see 4 power limit values instead of the regular 2.
Are you using DSM 7.2 Update 1, 2 or 3?
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I have already installed e10m20-t1 in 1821, but I cannot compile DTS. Has the latest script from the script author solved this problem? Can we directly install e10m20-t1. |
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I just answered your other issue 007revad/Synology_M2_volume#133 https://github.com/007revad/Synology_enable_M2_card does it all for you. |
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In other words, the two built-in SSDs I installed before have already formed raid0. Now I have added a new e10m20-t1 and a SSD. I want to run the script again to make a single storage space, but I don't want to delete the raid0 with two built-in SSDs that I have already completed. |
After execute the sh file, I still can not enable E10M20-T1 on my DS1621+ fully. It can not recognice my nvme ssd, only NIC work.
I've add DS1621+ in
/usr/syno/etc.defaults/adapter_cards.conffile, bothE10M20-T1_sup_nvmeandE10M20-T1_sup_sata, but still not work.After execute
ls /run/synostorage/disks, it shows no nvme drives.ls /sys/block | grep nvmereturnI think it may because 1621+ only have x4 lanes PCIe while E10M20-T1 has 8. But I think E10M20-T1 may be a plx card so it actucally can work on PCIe x4?
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