[ClusterLabs] Antw: DRBD AND cLVM ???

[Ulrich Windl]

>>> "Lentes, Bernd" <bernd.lentes at helmholtz-muenchen.de> schrieb am 31.07.2017
um
18:51 in Nachricht
<641329685.12981098.1501519915026.JavaMail.zimbra at helmholtz-muenchen.de>:
> Hi,
> 
> i'm currently a bit confused. I have several resources running as 
> VirtualDomains, the vm reside on plain logical volumes without fs, these
lv's 
> reside themself on a FC SAN. 
> In that scenario i need cLVM to distribute the lvm metadata between the 
> nodes.
> For playing around a bit and getting used to it i created a DRBD partition.

> It resides on a logical volume (one on each node), which should be possible

> following the documentation on linbit.
> The lv's reside each on a node on the local storage, not on the SAN (which 
> would be a very strange configuration).

So you use cLVM to crate local VGs, and you use DRBD to sync the local LVs?
Why don't you use the shared SAN?

> But nevertheless it's a cLVM configuration. I don't think it's possible to 
> have a cLVM and non-cLVM configuration at the same time on the same node.

YOu can definitely have clustered and non-clustered VGs on one node.

> Is that possible what i try to do ?

I'm still wonderinh what you really want to accieve.

Regards,
Ulrich

> 
> 
> Bernd
> 
> 
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> Bernd Lentes 
> 
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