[DRBD-user] One resource per disk?

Paul O'Rorke paul at tracker-software.com
Thu May 10 23:49:53 CEST 2018

> Too many drbd resources to manage.
> I prefere a single resource, if possible.
fair enough.  I like the granularity and independence.  I have fewer 
than 20 resources/VMs.

I've no working experience with ZFS so I can't help you there. I'm 
pretty sure I've seen it discussed here though.  Have you gone through 
the archives?

*Paul O'Rorke*
*Tracker Software Products (Canada) Limited *
www.tracker-software.com <http://www.tracker-software.com/>
Tel: +1 (250) 324 1621
Fax: +1 (250) 324 1623


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On 2018-05-10 12:44 PM, Gandalf Corvotempesta wrote:
> Il giorno mer 2 mag 2018 alle ore 08:33 Paul O'Rorke 
> <paul at tracker-software.com <mailto:paul at tracker-software.com>> ha scritto:
>     I create a large data drive out of a bunch of small SSDs using
>     RAID and make that RAID drive an LVM PV.
>     I can then create LVM volume groups and volumes for each use (in
>     my case virtual drives for KVM) to back specific DRBD resources
>     for each VM.  It allows me to have a DRBD resource for each VM,
>     each backed by an LVM volume which is in turn on a large LVM PV.
>     VM has DRBD resource as it's block device --> DRBD resources
>     backed by LVM volume --> LVM volume on a large RAID based Physical
>     Volume.
> Too many drbd resources to manage.
> I prefere a single resource, if possible.
> What I would like is to create an HA NFS storage, if possible with ZFS 
> but without putting ZFS on top of DRBD (i prefere the opposite: DRBD 
> on top of ZFS)

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