[PVE-User] Severe error w. posibility of data loss

Dietmar Maurer dietmar at proxmox.com
Wed Nov 23 11:42:49 CET 2011


Sorry, but you can't use shared ISCSI across unclustered nodes - that will never work  and we will not support that.

- Dietmar

From: pve-user-bounces at pve.proxmox.com [mailto:pve-user-bounces at pve.proxmox.com] On Behalf Of Holger Ernst
Sent: Mittwoch, 23. November 2011 11:26
To: pve-user at pve.proxmox.com
Subject: [PVE-User] Severe error w. posibility of data loss

Hi,

found a case where I lost data with new PVE2.0:

Situation: The PVE2.0 host is using the same shared disk media as an other pve host (in this case its an pve1.9) via ISCSI-LVM.

When I create a new kvm client with an id already used by the other host, there is no warning. Version 2 creates just a second disk (partition). Not really bad so far.
BUT when I erase the vm it purges ALL partitions which are marked according to the vm id. So the first one which is used by the other host is gone too.

This error might occur only if you use shared media with unclustered hosts. But there are usecases for that....

Best regards, Holger

PS. This might happen with two pve1.9 systems too. I did not test that.
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