[PVE-User] Shared same rbd disk on 2 Vms

Hervé Ballans herve.ballans at ias.u-psud.fr
Tue Jul 2 14:43:55 CEST 2019

Dear list,

Sorry if the question has already been asked...

Context: ProxmoxVE 5.4-6 / Ceph Luminous 12.2.12

On a Debian VM, I have two disks : a rbd system disk and an additional 
rbd data disk. Both disks are formated on ext4.

I would like to know if I can use the data disk on another VM (with rw 
rights) ?

I'm pretty sure that Ceph RBD is compliant with this scenario but I have 
a doubt with the usage of ext4 partition ?

Thanks in advance for your feedback,


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