[DRBD-user] DRBD + ZFS

[Eric Robinson]

> -----Original Message-----
> From: Emmanuel Florac <eflorac at intellique.com>
> Sent: Thursday, August 19, 2021 8:16 AM
> To: Eric Robinson <eric.robinson at psmnv.com>
> Cc: drbd-user at lists.linbit.com
> Subject: Re: [DRBD-user] DRBD + ZFS
>
> Le Wed, 18 Aug 2021 03:39:01 +0000
> Eric Robinson <eric.robinson at psmnv.com> écrivait:
>
> > I'm considering deploying DRBD between ZFS layers. The lowest layer
> > RAIDZ will serve as the DRBD backing device. Then I would build
> > another ZFS filesystem on top to benefit from compression. Any
> > thoughs, experiences, opinions, positive or negative?
>
> But isn't ZFS implementing its own replication layer? Why go the DRBD route
> instead?
>

I'm not well read on ZFS, but I believe ZFS uses periodic scheduled replication, not real-time block-level replication. ZFS does not have an equivalent to DRBD protocol C. Am I mistaken?

--Eric


Disclaimer : This email and any files transmitted with it are confidential and intended solely for intended recipients. If you are not the named addressee you should not disseminate, distribute, copy or alter this email. Any views or opinions presented in this email are solely those of the author and might not represent those of Physician Select Management. Warning: Although Physician Select Management has taken reasonable precautions to ensure no viruses are present in this email, the company cannot accept responsibility for any loss or damage arising from the use of this email or attachments.