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

[Tobias Kropf]

With any Network connection between the vms ... you can use DRBD on top of the rbd volumes?

On 7/2/19 3:26 PM, Hervé Ballans wrote:
> Thanks for your reply Eneko. Indeed, it makes sense that ext4 is not
> suitable fot this purpose.
> I think NFS is a good alternative!
>
> Cheers,
> Hervé
>
> Le 02/07/2019 à 14:46, Eneko Lacunza a écrit :
>> 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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>>
>>
>
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-- 
Mit freundlichen Gruessen
Tobias Kropf