Update Xpenology DSM on Proxmox

This article will show how to update Synology DSM on a Proxmox (KVM) Virtual Machine using a Xpenology bootloader.
At the time of writing, it seems there is no issue so far to update up to dsm "6.2.3-25426".

Requirements (at the time of the writing):

• Proxmox VE 6.2-12 (or later) installed
• Xpenology dsm 6.1 already installed and running (see how to install)
• Xpenology Jun's Loader 1.03b for ds3615xs ( which can be found in this forum)
• DSM 6.2.3 (25426) file named "DSM_DS3615xs_25426.pat" (here)

(warning: images-intensive article)
(note0: Update seems to be working up to DSM 6.2.3-25426 for ds3615xs)
(note1: Do not update to DSM 6.2.4 which seems not working with Jun's loader 1.03b)

Minor Update

If you have isolated your dsm OS by installing it in a specific vm disk, then proceed to a proxmox backup first.

Disable automatic update

It's highly recommended to disable automatic update as follow:

• Go to Control Panel > Update and Restore
• On the "DSM Update" tab,
  • click "Update Settings" then check "Important updates only" (if available)
  • and select "Download DSM updates but let me choose whether to install them" (or equivalent)

Check feedback

Check if there is no issue with the update on xpenology.com/forum/forum/78-critical-updates/ with an similar configuration.

Updating

Then if ok, just do a normal synology update as usual through "Control Panel > Update and Restore"

• Click Download (if available)
• Then click Update Now, and click Yes at the confirmation prompt

Major Update

Check compatibility

First, you need to check, in xpenology.com/forum/ , if the bootloader is confirmed to be working with the next major update:
If there is no bootloader working with the next major update, then DON'T PROCEED. You will have to wait for a new compatible bootloader.
If the bootloader is confirmed to be working with this major update, then look in forum for positive feedback with an equivalent configuration.
 

Backup

Backup your configuration:

• Go to "Control Panel > Update and Restore"
• On "Configuration Backup" tab, click Backup configuration button
• Click YES in confirmation prompt

Poweroff your xpenology vm.

Then detach (or comment in vm conf file) all disks, except bootloader and disk containing DSM OS.
If you have isolated your dsm OS by installing it in a specific vm disk, then proceed to a proxmox backup first.

Change bootloader

If usb disk, change vm conf file to set the path of the new bootloader.
If sata disk (raw file), backup by copying the file then replace this file by coying the new bootloader overiding the file.

Update/Migrate

Then restart xpenology vm.

Welcome back

Click INSTALL

Select installation type

Select : "Migration: Keep my data and most of the settings"

Click > button

Install DSM

Click "Manual Install"

Click "Browse", then select "DSM_DS3615xs_25426.pat" file

Click "Install Now"

Installing DSM

Wait that install and reboot finished

Login

Login with your user / password

Troubleshooting

Slow then freezing

Note: Consider to (re)install your dsm os on a dedicated vm disk in order to isolate it and get easier maintenance.

If your dsm operating system is slow and then freeze later on

• Then you may need to proceed to a clean (re)install of the dsm (check here).
• Then, reload your dss configuration previously saved.
• Then, re-attach your data disks to the vm.

Unfortunately, you will have to reinstall and reconfigure all your apps.

Corrupted file on minor update

It seems that minor update does not work with the bootloader as SATA disk.
But it seems to be working good with the bootloader as USB disk and its vid/pid modified to match usb disk. (see installation to change vid/pid and swith to usb bootloader)

HTH,
Michel.

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