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

Hervé Ballans herve.ballans at ias.u-psud.fr
Tue Jul 2 15:26:44 CEST 2019


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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