[DRBD-user] DRBD over ZFS - or the other way around?

Yannis Milios yannis.milios at gmail.com
Wed Sep 6 15:58:34 CEST 2017

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Even in that case I would prefer to assemble a new DRBD device ontop of the
ZVOL snapshot and then mount the DRBD device instead :)

On Wed, Sep 6, 2017 at 2:56 PM, Gionatan Danti <g.danti at assyoma.it> wrote:

> On 06/09/2017 15:31, Yannis Milios wrote:
>
>> If your topology is like the following:  HDD -> ZFS (ZVOL) -> DRBD -> XFS
>> then I believe it should make sense to always mount at the DRBD level and
>> not at the ZVOL level which happens to be the underlying blockdev for DRBD.
>>
> Sure! Directly mounting the DRBD-backing ZVOL would, at the bare minumum,
> ruin the replication with the peer.
>
> I was speaking about mounting ZVOLs *snapshots* to access previous data
> version.
>
> Regards.
>
>
> --
> Danti Gionatan
> Supporto Tecnico
> Assyoma S.r.l. - www.assyoma.it
> email: g.danti at assyoma.it - info at assyoma.it
> GPG public key ID: FF5F32A8
>
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