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From: Laurent CARON <lcaron@unix-scripts.info>
To: Proxmox VE user list <pve-user@lists.proxmox.com>
Subject: Re: [PVE-User] Network device name change (with systemd) under debian after adding/removing line meta: from config file
Date: Wed, 21 Jun 2023 15:03:00 +0200	[thread overview]
Message-ID: <1bbf6a07-8592-6608-40cf-4c4e8578cee3@unix-scripts.info> (raw)
In-Reply-To: <528533255.585.1687350936401@webmail.proxmox.com>

Thanks for the pointer Fabian. This is exactly it.


Laurent

Le 21/06/2023 à 14:35, Fabian Grünbichler a écrit :
> there was a change in how Qemu sets up PCI slots. we record the version with which the VM was first created exactly to avoid this change during the lifetime of the VM:
>
> https://git.proxmox.com/?p=qemu-server.git;a=commitdiff;h=cc1810363579b8d6bf7dd8d681b831f33209bbb0
>
>> Laurent CARON <lcaron@unix-scripts.info> hat am 21.06.2023 14:22 CEST geschrieben:
>>
>>   
>> Hi,
>>
>> I'm experiencing a rather strange behavior with VM creation on a 7.7
>> proxmox cluster.
>>
>> I do have quite old (migrated from older proxmox versions) VMs as well
>> as new VMs (created after the 7.2 version).
>>
>> Config file:
>>
>> $ cat /etc/pve/qemu-server/889.conf
>> boot: order=virtio0;ide2;net0
>> cores: 1
>> cpu: host
>> ide2: none,media=cdrom
>> machine: q35
>> memory: 2048
>> meta: creation-qemu=7.0.0,ctime=1687340877
>> name: vs-lcaron-testalacon
>> net0: virtio=C2:B9:B3:FE:6C:B0,bridge=vmbr2000
>> numa: 1
>> ostype: l26
>> scsihw: virtio-scsi-pci
>> smbios1: uuid=ef269cd3-e7a6-442e-87ad-30b68741003b
>> sockets: 1
>> virtio0: VMs_NFS:889/vm-889-disk-0.qcow2,discard=on,size=64G
>> vmgenid: ac09af11-7012-41eb-99e3-ca1162afc2bd
>>
>> Using this config, VM installs fine.
>>
>> Interface name is enp6s18
>>
>> If I do remove the line 'meta: ...' from the config file, and restart
>> the VM's interface is now ens18.
>>
>> Please note, when using 'meta: ...' lspci | grrp Ethernet is:
>>
>> 06:12.0 Ethernet controller: Red Hat, Inc. Virtio network device
>>
>> When not using 'meta: ...' lspci is exactly the same.
>>
>>
>> What is changing behind the scenes when using 'meta: ' in the config file ?
>>
>>
>> I'm trying to have a consistent naming across VMs, wether the VMs were
>> instanciated on an old or a new proxmox version.
>>
>> Thanks
>>
>> _______________________________________________
>> pve-user mailing list
>> pve-user@lists.proxmox.com
>> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user



      reply	other threads:[~2023-06-21 13:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-21 12:22 Laurent CARON
2023-06-21 12:35 ` Fabian Grünbichler
2023-06-21 13:03   ` Laurent CARON [this message]

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