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

Eneko Lacunza elacunza at binovo.es
Tue Jul 2 14:46:43 CEST 2019


You need a cluster file system to be able to do this (gfs for example). 
ext4 can't be mounted by two systems at the same time.

https://en.wikipedia.org/wiki/GFS2

Maybe you can consider using NFS instead...

Cheers

El 2/7/19 a las 14:43, Hervé Ballans escribió:
> 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,
>
> Hervé
>
>
>
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