After changing disk type for Windows-VM boot fails

April 19, 2025, 6:44 am

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I was hoping to upgrade my disk configuration for a Windows VM via the following steps (which worked flawless on numerous other systems before):

- add small SCSI-disk to VM causing Windows to install the VirtIO drivers
- change disk type from ide0 to scsi0

However, if I change the disk type (also from ide0 to sata0) Windows 10 fails during boot with the error message "inaccessible boot device".

Any hints/ideas?

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Proxmox VE Trainings

April 19, 2025, 7:21 am

≫ Next: Pass trunk to VM

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Hi all!

A Proxmox VE training with lots of practical hands-on lab helps you to easily learn and understand all the basic and advanced features of Proxmox VE.

Our training schedule offers modular 2-days training at basic or advanced level as well as a compact 4-day training bundle.

Bundle benefit
The training bundle covers all the topics you need to know to handle your Proxmox VE infrastructure with ease for the best value for money.

Find all training dates, details and pricing on...

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Pass trunk to VM

April 19, 2025, 7:45 am

≫ Next: Verify failed with "no such file or directory" but file exists

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I want to set up a trunk on my switch and create a bridge in Proxmox that I can assign to a VM. Within the VM, I want to be able to treat the interface as though it is directly connected to the switch, with the trunk available. Then I want to be able to create sub interfaces on the VM on different VLANs.

I could pass the NIC through to the VM instead of creating the bridge, but I want to be able to do this with more than one VM.

So before I go down the rabbit hole, I wanted to see if...

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Verify failed with "no such file or directory" but file exists

April 19, 2025, 7:46 am

≫ Next: Ceph 19.2.1 2 OSD(s) experiencing slow operations in BlueStore

≪ Previous: Pass trunk to VM

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Hello,

I have a job wich failed to verify with this error:

2025-04-19T12:53:20+02:00: check drive-scsi0.img.fidx
2025-04-19T13:42:32+02:00: can't verify chunk, load failed - store 'Syno196', unable to load chunk '3df38d3f4791b98b17d10299b6eb7061e981de8002a3c394c656f661457680c9' - No such file or directory (os error 2)

But if I look in the datastore, the file exists:

root@pbs:/mnt/syno196# ls -l...

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Ceph 19.2.1 2 OSD(s) experiencing slow operations in BlueStore

April 19, 2025, 7:53 am

≫ Next: Custom Status Check

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Hello,

On our clusters 8.4.0 since the upgrade of Ceph 19.2.0 to 19.2.1 (pve2/pve3) I have warning messages.

X OSD(s) experiencing slow operations in BlueStore

osd.x observed slow operation indications in BlueStore
osd.y observed slow operation indications in BlueStore
...

Click to expand...

I applied the "solution" at https://github.com/rook/rook/discussions/15403

ceph config set global bdev_async_discard_threads 1
ceph config set global bdev_enable_discard true

Click to expand...

But this not...

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Custom Status Check

April 19, 2025, 8:29 am

≫ Next: Proxmox VM console from GUI freezes

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Hi,

I have Dashy setup trying to monitor pve & pbs.

However I'm not able to work out if there is a port that is available that will return 200 ok if requested.

Below is an extract from Dashy,
Custom status check endpoint for this item. Useful if the default URL doesn't return 200, or if your service has a dedicated status check endpoint

Anyone able to help?

Steve...

Proxmox VM console from GUI freezes

April 19, 2025, 8:57 am

≫ Next: Slow (or unexpected) NVme speed even with ext4

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So, I started noticing this weird freezes. While I am typing inside VM console from proxmox GUI, it suddenly freeze. By refreshing page or clicking to different menu item in poromox and clicking back to console start working. I had issue in old latest install. I did complete new install and having same issue.

Slow (or unexpected) NVme speed even with ext4

April 19, 2025, 9:13 am

≫ Next: pve 8.4, realtek treiber problem

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Hi, it's me again.
Dear forum friends,

Today I'm here with a question that has me thinking and that I can't seem to make sense of.

I have a server with very good hardware specifications. In fact, I posted about it a while ago to see if I should install ZFS in RAID 10 to host my VMs.

These are the specs:

Dual Intel Xeon Gold 6554S - 2x36c/2x72t - 2.2GHz/3GHz
1.5TB DDR5 ECC 4800MHz
2 x 960GB Micron 7450 Datacenter Class NVMe SSDs (for the OS)
18 x 3.84TB Micron 7500 NVMe SSDs

I used two...

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pve 8.4, realtek treiber problem

April 19, 2025, 9:26 am

≫ Next: Automatic Custom Script for setting up mail and test sending using MailerSend SMTP Relay.

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hi, ich schließ mich mal denen mit realtek r8169 treiber problemen an ^^

Spoiler: dmesg

RTL8226B_RTL8221B 2.5Gbps PHY r8169-0-400:00: attached PHY driver (mii_bushy_addr=r8169-0-400:00, irq=MAC)
[ 5.338527] r8169 0000:04:00.0 enp4s0: Link is Down
[ 5.348589] vmbr0: port 1(enp4s0) entered blocking state
[ 5.348589] vmbr0: port 1(enp4s0) entered disabled state
...

sporadisch wird mein wan adapter von enp4s0 in eth0 umbenannt was erst nach einem "systemctl restart networking" wieder richig...

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Automatic Custom Script for setting up mail and test sending using MailerSend SMTP Relay.

April 19, 2025, 9:28 am

≫ Next: Subject: RAM Upgrade Wreaking Havoc on Proxmox IO Performance

≪ Previous: pve 8.4, realtek treiber problem

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I created an automatic script for using MailerSend SMTP Relay.

Instructions:
wget https://url/scripts/setup-proxmox-mailersend.sh

apt install dos2unix -y

dos2unix setup-proxmox-mailersend.sh

chmod +x setup-proxmox-mailersend.sh

./setup-proxmox-mailersend.sh

How to Configure Proxmox Email Alerts via MailerSend SMTP​

If you want your Proxmox nodes to send alert emails using MailerSend SMTP Relay, here's a full automation script that:

• Installs required...

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Subject: RAM Upgrade Wreaking Havoc on Proxmox IO Performance

April 19, 2025, 5:28 am

≫ Next: nvmf-autoconnect.service Not working

≪ Previous: Automatic Custom Script for setting up mail and test sending using MailerSend SMTP Relay.

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Having a heck of a time with a RAM upgrade messing up my Proxmox machine. Here are the hard facts:



Mobo: Supermicro X11DPL-i

RAM we are installing: M386AAK40B40-CWD6Q - 128GB x 8 = 1024 GB

RAM we are removing: M393A4K40BB2-CTD7Q - 32GB x 8 = 256 GB

Proxmox Version: 8.3.5



Symptoms:

On our old RAM (250 GB), we see IO delay on the server at 0.43%. With the new RAM installed (1 TB), we see IO delay at 10-15%, and it spikes to 40-50% regularly.




*Sorry cut off the %s in...

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nvmf-autoconnect.service Not working

April 19, 2025, 10:19 am

≫ Next: How do I add Intel NIC card drivers for the first time?

≪ Previous: Subject: RAM Upgrade Wreaking Havoc on Proxmox IO Performance

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I have configured shared storage for Proxmox using a Dell PowerStore 1200T. The protocol in use is NVMe over TCP. Everything works fine, except the connection does not persist after a reboot.

discovery.conf Configuration:

--transport=tcp --traddr=192.168.5.5 --trsvcid=4420
--transport=tcp --traddr=192.168.5.6 --trsvcid=4420
--transport=tcp --traddr=192.168.6.5 --trsvcid=4420
--transport=tcp --traddr=192.168.6.6 --trsvcid=4420


nvmf-autoconnect.service Configuration:


[Unit]...

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How do I add Intel NIC card drivers for the first time?

April 19, 2025, 10:50 am

≫ Next: Proxmox Backup Server API

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(I am new to Linux servers, and know little at the moment. I am learning by doing.)
I am trying to learn how to perform a first-time installation of Intel's X710-DA2 (PCIe SFP+ NIC card), since PVE doesn't just automatically grab the drivers and start working properly. I see instructions on Intel's site for manually install the drivers, but I don't understand the instructions. I'd also rather have automated updates, in case updates are pushed out. How do I add the appropriate repository for...

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Proxmox Backup Server API

April 19, 2025, 11:16 am

≫ Next: Node HD Space (Summary Tab) and Node Device Total Storage (Disks Tab) Do Not Match

≪ Previous: How do I add Intel NIC card drivers for the first time?

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Hallo zusammen
Gibt es über die API eine Möglichkeit alle Snapshots und deren Grösse von einem Datastore und Namespace abzufragen?
Konkret möchte ich die Backupgrössen abfragen für eine automatisierte Verrechnung, nur finde ich keinen passenden Endpunkt dafür...

Grüsse

Node HD Space (Summary Tab) and Node Device Total Storage (Disks Tab) Do Not Match

April 19, 2025, 11:18 am

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Why don't these add up? This is one node and it has a 250GB NVMe and a 4TB SATA SSD. It is reporting 66.35 GiB total, 97% full. I am getting some odd errors (occasional VM lockup) and I am trying to eliminate this as a cause.

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Memory leaks on my host running pve 8.4.1

April 19, 2025, 11:41 am

≫ Next: PBS API - I can't create ZFS pool

≪ Previous: Node HD Space (Summary Tab) and Node Device Total Storage (Disks Tab) Do Not Match

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Hi all
have you seen this issue?
I am running A Lenovo SR530 server: pve 8.4.1
20 x Intel(R) Xeon(R) Silver 4210 CPU @ 2.20GHz (1 Socket)
RAM: 192 GB

I am not using memory balooning for my Vms

i have 10 Vms with 8Gb each = total 80Gb
1 Vm with 4Gb
TOTAL allocated memory: 84Gb

my Host show usage of almost double that !



is there any Memory leak?

my server firmware update to the latest firmware drivers



regards,

PBS API - I can't create ZFS pool

April 19, 2025, 11:51 am

≫ Next: pve 8.4, realtek treiber problem

≪ Previous: Memory leaks on my host running pve 8.4.1

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Hello everyone.

I'm trying to automate the setup of my PBS using Ansible and ran into an issue where I can't create a ZFS pool via the API.
I decided to try creating it using curl for testing. My script looks like this:

Bash:

curl -X POST \
  --insecure --cookie "$(<cookie)" --header "$(<csrftoken)" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "pool",
    "devices": ["/dev/sdb", "/dev/sdc"],
    "raidlevel": "mirror",
    "compression": "lz4",
    "ashift": 12
  }' \...

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pve 8.4, realtek treiber problem

April 19, 2025, 9:26 am

≫ Next: Not access Interface :8006 randomly

≪ Previous: PBS API - I can't create ZFS pool

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hi, ich schließ mich mal denen mit realtek r8169 treiber problemen an ^^

Spoiler: dmesg

RTL8226B_RTL8221B 2.5Gbps PHY r8169-0-400:00: attached PHY driver (mii_bus: phy_addr=r8169-0-400:00, irq=MAC)
[ 5.338527] r8169 0000:04:00.0 enp4s0: Link is Down
[ 5.348589] vmbr0: port 1(enp4s0) entered blocking state
[ 5.348589] vmbr0: port 1(enp4s0) entered disabled state
...

sporadisch wird mein wan adapter von enp4s0 in eth0 umbenannt was erst nach einem "systemctl restart networking" wieder richig...

Read more

Not access Interface :8006 randomly

April 19, 2025, 9:47 am

≫ Next: Proxmox 8.3 no network after install dell R630

≪ Previous: pve 8.4, realtek treiber problem

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Hi !

Overall Information
Version of Proxmox VE : 8.3.4 (but the issue is far before and not cause by an update)
I use my local ip to access it : 192.168.1.19:8006

When this issue is "enable", all my nodes are perfectly fine

My knowledge about Proxmox
I start using proxmox 6 month ago, so I don't know a lot of thing, don't hesitate to ask me some "evidence" that I don't know about or that you think it's important to help me.

The issue
So my issue is...

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Proxmox 8.3 no network after install dell R630

April 19, 2025, 12:17 pm

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I just installed VE 8.3 on a Dell R630 and can't access it via web interface or ssh. all the NICs appear as down and ifup does nothing. It has 4 port integrated NICs 2x10G, 2x1G, Integrated NIC 1: Broadcom NetXtreme Gigabit Ethernet. I can access the system through the console, and the IDRAC which shows the NICS as up. This is over my paygrade as they say.